gem5/ext/mcpat/iocontrollers.cc

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/*****************************************************************************
* McPAT
* SOFTWARE LICENSE AGREEMENT
* Copyright 2012 Hewlett-Packard Development Company, L.P.
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
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* Copyright (c) 2010-2013 Advanced Micro Devices, Inc.
* All Rights Reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
***************************************************************************/
#include <algorithm>
#include <cassert>
#include <cmath>
#include <iostream>
#include <string>
#include "basic_circuit.h"
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
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#include "common.h"
#include "const.h"
#include "io.h"
#include "iocontrollers.h"
#include "logic.h"
/*
SUN Niagara 2 I/O power analysis:
total signal bits: 711
Total FBDIMM bits: (14+10)*2*8= 384
PCIe bits: (8 + 8)*2 = 32
10Gb NIC: (4*2+4*2)*2 = 32
Debug I/Os: 168
Other I/Os: 711- 32-32 - 384 - 168 = 95
According to "Implementation of an 8-Core, 64-Thread, Power-Efficient SPARC Server on a Chip"
90% of I/Os are SerDers (the calucaltion is 384+64/(711-168)=83% about the same as the 90% reported in the paper)
--> around 80Pins are common I/Os.
Common I/Os consumes 71mW/Gb/s according to Cadence ChipEstimate @65nm
Niagara 2 I/O clock is 1/4 of core clock. --> 87pin (<--((711-168)*17%)) * 71mW/Gb/s *0.25*1.4Ghz = 2.17W
Total dynamic power of FBDIMM, NIC, PCIe = 84*0.132 + 84*0.049*0.132 = 11.14 - 2.17 = 8.98
Further, if assuming I/O logic power is about 50% of I/Os then Total energy of FBDIMM, NIC, PCIe = 11.14 - 2.17*1.5 = 7.89
*/
/*
* A bug in Cadence ChipEstimator: After update the clock rate in the clock tab, a user
* need to re-select the IP clock (the same clk) and then click Estimate. if not reselect
* the new clock rate may not be propogate into the IPs.
*
*/
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
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NIUController::NIUController(XMLNode* _xml_data,InputParameter* interface_ip_)
: McPATComponent(_xml_data, interface_ip_) {
name = "NIU";
set_niu_param();
}
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
void NIUController::computeArea() {
double mac_area;
double frontend_area;
double SerDer_area;
if (niup.type == 0) { //high performance NIU
//Area estimation based on average of die photo from Niagara 2 and
//Cadence ChipEstimate using 65nm.
mac_area = (1.53 + 0.3) / 2 * (interface_ip.F_sz_um / 0.065) *
(interface_ip.F_sz_um / 0.065);
//Area estimation based on average of die photo from Niagara 2, ISSCC
//"An 800mW 10Gb Ethernet Transceiver in 0.13μm CMOS"
//and"A 1.2-V-Only 900-mW 10 Gb Ethernet Transceiver and XAUI Interface
//With Robust VCO Tuning Technique" Frontend is PCS
frontend_area = (9.8 + (6 + 18) * 65 / 130 * 65 / 130) / 3 *
(interface_ip.F_sz_um / 0.065) * (interface_ip.F_sz_um / 0.065);
//Area estimation based on average of die photo from Niagara 2 and
//Cadence ChipEstimate hard IP @65nm.
//SerDer is very hard to scale
SerDer_area = (1.39 + 0.36) * (interface_ip.F_sz_um /
0.065);//* (interface_ip.F_sz_um/0.065);
} else {
//Low power implementations are mostly from Cadence ChipEstimator;
//Ignore the multiple IP effect
// ---When there are multiple IP (same kind or not) selected, Cadence
//ChipEstimator results are not a simple summation of all IPs.
//Ignore this effect
mac_area = 0.24 * (interface_ip.F_sz_um / 0.065) *
(interface_ip.F_sz_um / 0.065);
frontend_area = 0.1 * (interface_ip.F_sz_um / 0.065) *
(interface_ip.F_sz_um / 0.065);//Frontend is the PCS layer
SerDer_area = 0.35 * (interface_ip.F_sz_um / 0.065) *
(interface_ip.F_sz_um/0.065);
//Compare 130um implementation in "A 1.2-V-Only 900-mW 10 Gb Ethernet
//Transceiver and XAUI Interface With Robust VCO Tuning Technique"
//and the ChipEstimator XAUI PHY hard IP, confirm that even PHY can
//scale perfectly with the technology
}
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
//total area
output_data.area = (mac_area + frontend_area + SerDer_area) * 1e6;
}
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
void NIUController::computeEnergy() {
double mac_dyn;
double frontend_dyn;
double SerDer_dyn;
double frontend_gates;
double mac_gates;
double SerDer_gates;
double NMOS_sizing;
double PMOS_sizing;
double pmos_to_nmos_sizing_r = pmos_to_nmos_sz_ratio();
if (niup.type == 0) { //high performance NIU
//Power
//Cadence ChipEstimate using 65nm (mac, front_end are all energy.
//E=P*T = P/F = 1.37/1Ghz = 1.37e-9);
//2.19W@1GHz fully active according to Cadence ChipEstimate @65nm
mac_dyn = 2.19e-9 * g_tp.peri_global.Vdd / 1.1 * g_tp.peri_global.Vdd /
1.1 * (interface_ip.F_sz_nm / 65.0);//niup.clockRate;
//Cadence ChipEstimate using 65nm soft IP;
frontend_dyn = 0.27e-9 * g_tp.peri_global.Vdd / 1.1 *
g_tp.peri_global.Vdd / 1.1 * (interface_ip.F_sz_nm / 65.0);
//according to "A 100mW 9.6Gb/s Transceiver in 90nm CMOS..." ISSCC 2006
//SerDer_dyn is power not energy, scaling from 10mw/Gb/s @90nm
SerDer_dyn = 0.01 * 10 * sqrt(interface_ip.F_sz_um / 0.09) *
g_tp.peri_global.Vdd / 1.2 * g_tp.peri_global.Vdd / 1.2;
//Cadence ChipEstimate using 65nm
mac_gates = 111700;
frontend_gates = 320000;
SerDer_gates = 200000;
NMOS_sizing = 5 * g_tp.min_w_nmos_;
PMOS_sizing = 5 * g_tp.min_w_nmos_ * pmos_to_nmos_sizing_r;
} else {
//Power
//Cadence ChipEstimate using 65nm (mac, front_end are all energy.
///E=P*T = P/F = 1.37/1Ghz = 1.37e-9);
//2.19W@1GHz fully active according to Cadence ChipEstimate @65nm
mac_dyn = 1.257e-9 * g_tp.peri_global.Vdd / 1.1 * g_tp.peri_global.Vdd
/ 1.1 * (interface_ip.F_sz_nm / 65.0);//niup.clockRate;
//Cadence ChipEstimate using 65nm soft IP;
frontend_dyn = 0.6e-9 * g_tp.peri_global.Vdd / 1.1 *
g_tp.peri_global.Vdd / 1.1 * (interface_ip.F_sz_nm / 65.0);
//SerDer_dyn is power not energy, scaling from 216mw/10Gb/s @130nm
SerDer_dyn = 0.0216 * 10 * (interface_ip.F_sz_um / 0.13) *
g_tp.peri_global.Vdd / 1.2 * g_tp.peri_global.Vdd / 1.2;
mac_gates = 111700;
frontend_gates = 52000;
SerDer_gates = 199260;
NMOS_sizing = g_tp.min_w_nmos_;
PMOS_sizing = g_tp.min_w_nmos_ * pmos_to_nmos_sizing_r;
}
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
//covert to energy per clock cycle of whole NIU
SerDer_dyn /= niup.clockRate;
power.readOp.dynamic = mac_dyn + frontend_dyn + SerDer_dyn;
power.readOp.leakage = (mac_gates + frontend_gates + frontend_gates) *
cmos_Isub_leakage(NMOS_sizing, PMOS_sizing, 2, nand) *
g_tp.peri_global.Vdd;//unit W
double long_channel_device_reduction =
longer_channel_device_reduction(Uncore_device);
power.readOp.longer_channel_leakage =
power.readOp.leakage * long_channel_device_reduction;
power.readOp.gate_leakage = (mac_gates + frontend_gates + frontend_gates) *
cmos_Ig_leakage(NMOS_sizing, PMOS_sizing, 2, nand) *
g_tp.peri_global.Vdd;//unit W
// Output power
output_data.subthreshold_leakage_power =
longer_channel_device ? power.readOp.longer_channel_leakage :
power.readOp.leakage;
output_data.gate_leakage_power = power.readOp.gate_leakage;
output_data.peak_dynamic_power = power.readOp.dynamic * nius.duty_cycle;
output_data.runtime_dynamic_energy = power.readOp.dynamic * nius.perc_load;
}
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
void NIUController::set_niu_param() {
int num_children = xml_data->nChildNode("param");
int i;
for (i = 0; i < num_children; i++) {
XMLNode* paramNode = xml_data->getChildNodePtr("param", &i);
XMLCSTR node_name = paramNode->getAttribute("name");
XMLCSTR value = paramNode->getAttribute("value");
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
if (!node_name)
warnMissingParamName(paramNode->getAttribute("id"));
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
ASSIGN_FP_IF("niu_clockRate", niup.clockRate);
ASSIGN_INT_IF("num_units", niup.num_units);
ASSIGN_INT_IF("type", niup.type);
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
else {
warnUnrecognizedParam(node_name);
}
}
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
// Change from MHz to Hz
niup.clockRate *= 1e6;
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
num_children = xml_data->nChildNode("stat");
for (i = 0; i < num_children; i++) {
XMLNode* statNode = xml_data->getChildNodePtr("stat", &i);
XMLCSTR node_name = statNode->getAttribute("name");
XMLCSTR value = statNode->getAttribute("value");
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
if (!node_name)
warnMissingStatName(statNode->getAttribute("id"));
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
ASSIGN_FP_IF("duty_cycle", nius.duty_cycle);
ASSIGN_FP_IF("perc_load", nius.perc_load);
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
else {
warnUnrecognizedStat(node_name);
}
}
}
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
PCIeController::PCIeController(XMLNode* _xml_data,
InputParameter* interface_ip_)
: McPATComponent(_xml_data, interface_ip_) {
name = "PCIe";
set_pcie_param();
}
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
void PCIeController::computeArea() {
double ctrl_area;
double SerDer_area;
/* Assuming PCIe is bit-slice based architecture
* This is the reason for /8 in both area and power calculation
* to get per lane numbers
*/
if (pciep.type == 0) { //high performance PCIe
//Area estimation based on average of die photo from Niagara 2 and
//Cadence ChipEstimate @ 65nm.
ctrl_area = (5.2 + 0.5) / 2 * (interface_ip.F_sz_um / 0.065) *
(interface_ip.F_sz_um / 0.065);
//Area estimation based on average of die photo from Niagara 2 and
//Cadence ChipEstimate hard IP @65nm.
//SerDer is very hard to scale
SerDer_area = (3.03 + 0.36) * (interface_ip.F_sz_um /
0.065);//* (interface_ip.F_sz_um/0.065);
} else {
ctrl_area = 0.412 * (interface_ip.F_sz_um / 0.065) *
(interface_ip.F_sz_um / 0.065);
//Area estimation based on average of die photo from Niagara 2, and
//Cadence ChipEstimate @ 65nm.
SerDer_area = 0.36 * (interface_ip.F_sz_um / 0.065) *
(interface_ip.F_sz_um / 0.065);
}
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
// Total area
output_data.area = ((ctrl_area + (pciep.withPHY ? SerDer_area : 0)) / 8 *
pciep.num_channels) * 1e6;
}
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
void PCIeController::computeEnergy() {
double ctrl_dyn;
double SerDer_dyn;
double ctrl_gates;
double SerDer_gates = 0;
double pmos_to_nmos_sizing_r = pmos_to_nmos_sz_ratio();
double NMOS_sizing;
double PMOS_sizing;
/* Assuming PCIe is bit-slice based architecture
* This is the reason for /8 in both area and power calculation
* to get per lane numbers
*/
if (pciep.type == 0) { //high performance PCIe
//Power
//Cadence ChipEstimate using 65nm the controller includes everything: the PHY, the data link and transaction layer
ctrl_dyn = 3.75e-9 / 8 * g_tp.peri_global.Vdd / 1.1 *
g_tp.peri_global.Vdd / 1.1 * (interface_ip.F_sz_nm / 65.0);
// //Cadence ChipEstimate using 65nm soft IP;
// frontend_dyn = 0.27e-9/8*g_tp.peri_global.Vdd/1.1*g_tp.peri_global.Vdd/1.1*(interface_ip.F_sz_nm/65.0);
//SerDer_dyn is power not energy, scaling from 10mw/Gb/s @90nm
//PCIe 2.0 max per lane speed is 4Gb/s
SerDer_dyn = 0.01 * 4 * (interface_ip.F_sz_um /0.09) *
g_tp.peri_global.Vdd / 1.2 * g_tp.peri_global.Vdd /1.2;
//Cadence ChipEstimate using 65nm
ctrl_gates = 900000 / 8 * pciep.num_channels;
// frontend_gates = 120000/8;
// SerDer_gates = 200000/8;
NMOS_sizing = 5 * g_tp.min_w_nmos_;
PMOS_sizing = 5 * g_tp.min_w_nmos_ * pmos_to_nmos_sizing_r;
} else {
//Power
//Cadence ChipEstimate using 65nm the controller includes everything: the PHY, the data link and transaction layer
ctrl_dyn = 2.21e-9 / 8 * g_tp.peri_global.Vdd / 1.1 *
g_tp.peri_global.Vdd / 1.1 * (interface_ip.F_sz_nm / 65.0);
// //Cadence ChipEstimate using 65nm soft IP;
// frontend_dyn = 0.27e-9/8*g_tp.peri_global.Vdd/1.1*g_tp.peri_global.Vdd/1.1*(interface_ip.F_sz_nm/65.0);
//SerDer_dyn is power not energy, scaling from 10mw/Gb/s @90nm
//PCIe 2.0 max per lane speed is 4Gb/s
SerDer_dyn = 0.01 * 4 * (interface_ip.F_sz_um / 0.09) *
g_tp.peri_global.Vdd / 1.2 * g_tp.peri_global.Vdd /1.2;
//Cadence ChipEstimate using 65nm
ctrl_gates = 200000 / 8 * pciep.num_channels;
// frontend_gates = 120000/8;
SerDer_gates = 200000 / 8 * pciep.num_channels;
NMOS_sizing = g_tp.min_w_nmos_;
PMOS_sizing = g_tp.min_w_nmos_ * pmos_to_nmos_sizing_r;
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
}
//covert to energy per clock cycle
SerDer_dyn /= pciep.clockRate;
power.readOp.dynamic = (ctrl_dyn + (pciep.withPHY ? SerDer_dyn : 0)) *
pciep.num_channels;
power.readOp.leakage = (ctrl_gates + (pciep.withPHY ? SerDer_gates : 0)) *
cmos_Isub_leakage(NMOS_sizing, PMOS_sizing, 2, nand) *
g_tp.peri_global.Vdd;//unit W
double long_channel_device_reduction =
longer_channel_device_reduction(Uncore_device);
power.readOp.longer_channel_leakage =
power.readOp.leakage * long_channel_device_reduction;
power.readOp.gate_leakage = (ctrl_gates +
(pciep.withPHY ? SerDer_gates : 0)) *
cmos_Ig_leakage(NMOS_sizing, PMOS_sizing, 2, nand) *
g_tp.peri_global.Vdd;//unit W
// Output power
output_data.subthreshold_leakage_power =
longer_channel_device ? power.readOp.longer_channel_leakage :
power.readOp.leakage;
output_data.gate_leakage_power = power.readOp.gate_leakage;
output_data.peak_dynamic_power = power.readOp.dynamic * pcies.duty_cycle;
output_data.runtime_dynamic_energy =
power.readOp.dynamic * pcies.perc_load;
}
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
void PCIeController::set_pcie_param() {
int num_children = xml_data->nChildNode("param");
int i;
for (i = 0; i < num_children; i++) {
XMLNode* paramNode = xml_data->getChildNodePtr("param", &i);
XMLCSTR node_name = paramNode->getAttribute("name");
XMLCSTR value = paramNode->getAttribute("value");
if (!node_name)
warnMissingParamName(paramNode->getAttribute("id"));
ASSIGN_FP_IF("pcie_clockRate", pciep.clockRate);
ASSIGN_INT_IF("num_units", pciep.num_units);
ASSIGN_INT_IF("num_channels", pciep.num_channels);
ASSIGN_INT_IF("type", pciep.type);
ASSIGN_ENUM_IF("withPHY", pciep.withPHY, bool);
else {
warnUnrecognizedParam(node_name);
}
}
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
// Change from MHz to Hz
pciep.clockRate *= 1e6;
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
num_children = xml_data->nChildNode("stat");
for (i = 0; i < num_children; i++) {
XMLNode* statNode = xml_data->getChildNodePtr("stat", &i);
XMLCSTR node_name = statNode->getAttribute("name");
XMLCSTR value = statNode->getAttribute("value");
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
if (!node_name)
warnMissingStatName(statNode->getAttribute("id"));
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
ASSIGN_FP_IF("duty_cycle", pcies.duty_cycle);
ASSIGN_FP_IF("perc_load", pcies.perc_load);
else {
warnUnrecognizedStat(node_name);
}
}
}
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
FlashController::FlashController(XMLNode* _xml_data,
InputParameter* interface_ip_)
: McPATComponent(_xml_data, interface_ip_) {
name = "Flash Controller";
set_fc_param();
}
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
void FlashController::computeArea() {
double ctrl_area;
double SerDer_area;
/* Assuming Flash is bit-slice based architecture
* This is the reason for /8 in both area and power calculation
* to get per lane numbers
*/
if (fcp.type == 0) { //high performance flash controller
cout << "Current McPAT does not support high performance flash "
<< "controller since even low power designs are enough for "
<< "maintain throughput" <<endl;
exit(0);
} else {
ctrl_area = 0.243 * (interface_ip.F_sz_um / 0.065) *
(interface_ip.F_sz_um / 0.065);
//Area estimation based on Cadence ChipEstimate @ 65nm: NANDFLASH-CTRL
//from CAST
SerDer_area = 0.36 / 8 * (interface_ip.F_sz_um / 0.065) *
(interface_ip.F_sz_um / 0.065);
}
double number_channel = 1 + (fcp.num_channels - 1) * 0.2;
output_data.area = (ctrl_area + (fcp.withPHY ? SerDer_area : 0)) *
1e6 * number_channel;
}
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
void FlashController::computeEnergy() {
double ctrl_dyn;
double SerDer_dyn;
double ctrl_gates;
double SerDer_gates;
double pmos_to_nmos_sizing_r = pmos_to_nmos_sz_ratio();
double NMOS_sizing;
double PMOS_sizing;
/* Assuming Flash is bit-slice based architecture
* This is the reason for /8 in both area and power calculation
* to get per lane numbers
*/
if (fcp.type == 0) { //high performance flash controller
cout << "Current McPAT does not support high performance flash "
<< "controller since even low power designs are enough for "
<< "maintain throughput" <<endl;
exit(0);
NMOS_sizing = 5 * g_tp.min_w_nmos_;
PMOS_sizing = 5 * g_tp.min_w_nmos_ * pmos_to_nmos_sizing_r;
} else {
//based On PCIe PHY TSMC65GP from Cadence ChipEstimate @ 65nm, it
//support 8x lanes with each lane speed up to 250MB/s (PCIe1.1x).
//This is already saturate the 200MB/s of the flash controller core
//above.
ctrl_gates = 129267;
SerDer_gates = 200000 / 8;
NMOS_sizing = g_tp.min_w_nmos_;
PMOS_sizing = g_tp.min_w_nmos_ * pmos_to_nmos_sizing_r;
//Power
//Cadence ChipEstimate using 65nm the controller 125mW for every
//200MB/s This is power not energy!
ctrl_dyn = 0.125 * g_tp.peri_global.Vdd / 1.1 * g_tp.peri_global.Vdd /
1.1 * (interface_ip.F_sz_nm / 65.0);
//SerDer_dyn is power not energy, scaling from 10mw/Gb/s @90nm
SerDer_dyn = 0.01 * 1.6 * (interface_ip.F_sz_um / 0.09) *
g_tp.peri_global.Vdd / 1.2 * g_tp.peri_global.Vdd / 1.2;
//max Per controller speed is 1.6Gb/s (200MB/s)
}
double number_channel = 1 + (fcp.num_channels - 1) * 0.2;
power.readOp.dynamic = (ctrl_dyn + (fcp.withPHY ? SerDer_dyn : 0)) *
number_channel;
power.readOp.leakage = ((ctrl_gates + (fcp.withPHY ? SerDer_gates : 0)) *
number_channel) *
cmos_Isub_leakage(NMOS_sizing, PMOS_sizing, 2, nand) *
g_tp.peri_global.Vdd;//unit W
double long_channel_device_reduction =
longer_channel_device_reduction(Uncore_device);
power.readOp.longer_channel_leakage =
power.readOp.leakage * long_channel_device_reduction;
power.readOp.gate_leakage =
((ctrl_gates + (fcp.withPHY ? SerDer_gates : 0)) * number_channel) *
cmos_Ig_leakage(NMOS_sizing, PMOS_sizing, 2, nand) *
g_tp.peri_global.Vdd;//unit W
// Output power
output_data.subthreshold_leakage_power =
longer_channel_device ? power.readOp.longer_channel_leakage :
power.readOp.leakage;
output_data.gate_leakage_power = power.readOp.gate_leakage;
output_data.peak_dynamic_power = power.readOp.dynamic * fcs.duty_cycle;
output_data.runtime_dynamic_energy = power.readOp.dynamic * fcs.perc_load;
}
void FlashController::set_fc_param()
{
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
int num_children = xml_data->nChildNode("param");
int i;
for (i = 0; i < num_children; i++) {
XMLNode* paramNode = xml_data->getChildNodePtr("param", &i);
XMLCSTR node_name = paramNode->getAttribute("name");
XMLCSTR value = paramNode->getAttribute("value");
if (!node_name)
warnMissingParamName(paramNode->getAttribute("id"));
ASSIGN_INT_IF("num_channels", fcp.num_channels);
ASSIGN_INT_IF("type", fcp.type);
ASSIGN_ENUM_IF("withPHY", fcp.withPHY, bool);
else {
warnUnrecognizedParam(node_name);
}
}
num_children = xml_data->nChildNode("stat");
for (i = 0; i < num_children; i++) {
XMLNode* statNode = xml_data->getChildNodePtr("stat", &i);
XMLCSTR node_name = statNode->getAttribute("name");
XMLCSTR value = statNode->getAttribute("value");
if (!node_name)
warnMissingStatName(statNode->getAttribute("id"));
ext: McPAT interface changes and fixes This patch includes software engineering changes and some generic bug fixes Joel Hestness and Yasuko Eckert made to McPAT 0.8. There are still known issues/concernts we did not have a chance to address in this patch. High-level changes in this patch include: 1) Making XML parsing modular and hierarchical: - Shift parsing responsibility into the components - Read XML in a (mostly) context-free recursive manner so that McPAT input files can contain arbitrary component hierarchies 2) Making power, energy, and area calculations a hierarchical and recursive process - Components track their subcomponents and recursively call compute functions in stages - Make C++ object hierarchy reflect inheritance of classes of components with similar structures - Simplify computeArea() and computeEnergy() functions to eliminate successive calls to calculate separate TDP vs. runtime energy - Remove Processor component (now unnecessary) and introduce a more abstract System component 3) Standardizing McPAT output across all components - Use a single, common data structure for storing and printing McPAT output - Recursively call print functions through component hierarchy 4) For caches, allow splitting data array and tag array reads and writes for better accuracy 5) Improving the usability of CACTI by printing more helpful warning and error messages 6) Minor: Impose more rigorous code style for clarity (more work still to be done) Overall, these changes greatly reduce the amount of replicated code, and they improve McPAT runtime and decrease memory footprint.
2014-06-03 22:32:59 +02:00
ASSIGN_FP_IF("duty_cycle", fcs.duty_cycle);
ASSIGN_FP_IF("perc_load", fcs.perc_load);
else {
warnUnrecognizedStat(node_name);
}
}
}