c1aecc05e6
This patch extensively modifies DSENT so that it can be accessed using Python. To access the Python interface, DSENT needs to compiled as a shared library. For this purpose a CMakeLists.txt file has been added. Some of the code that is not required is being removed.
455 lines
22 KiB
C++
455 lines
22 KiB
C++
/* Copyright (c) 2012 Massachusetts Institute of Technology
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "model/electrical/MatrixArbiter.h"
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#include <cmath>
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#include <vector>
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#include "model/PortInfo.h"
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#include "model/EventInfo.h"
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#include "model/TransitionInfo.h"
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#include "model/ModelGen.h"
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#include "model/std_cells/StdCell.h"
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#include "model/std_cells/StdCellLib.h"
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namespace DSENT
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{
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using std::abs;
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using std::vector;
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MatrixArbiter::MatrixArbiter(const String& instance_name_, const TechModel* tech_model_)
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: ElectricalModel(instance_name_, tech_model_)
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{
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initParameters();
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initProperties();
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}
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MatrixArbiter::~MatrixArbiter()
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{}
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void MatrixArbiter::initParameters()
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{
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addParameterName("NumberRequests");
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return;
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}
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void MatrixArbiter::initProperties()
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{
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return;
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}
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MatrixArbiter* MatrixArbiter::clone() const
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{
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// TODO
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return NULL;
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}
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void MatrixArbiter::constructModel()
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{
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// Get parameters
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unsigned int number_requests = getParameter("NumberRequests").toUInt();
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ASSERT(number_requests > 0, "[Error] " + getInstanceName() +
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" -> Number of requests must be > 0!");
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// Connect ports
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createInputPort("CK");
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for(unsigned int i = 0; i < number_requests; ++i)
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{
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createInputPort("Request" + (String)i);
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createOutputPort("Grant" + (String)i);
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}
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// Create area, power, event results
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createElectricalResults();
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getEventInfo("Idle")->setStaticTransitionInfos();
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getEventInfo("Idle")->setTransitionInfo("CK", TransitionInfo(0.0, 1.0, 0.0));
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// for(unsigned int i = 0; i <= number_requests; ++i)
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// {
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// // Create arbitrate event with i requests
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// createElectricalEventResult("Arbitrate" + (String)i);
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// EventInfo* event_info = getEventInfo("Arbitrate" + (String)i);
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// event_info->setTransitionInfo("CK", TransitionInfo(0.0, 1.0, 0.0));
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//
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// for(unsigned int j = 0; j < i; ++j)
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// {
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// event_info->setTransitionInfo("Request" + (String)j, TransitionInfo(0.0, 0.0, 1.0));
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// }
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// for(unsigned int j = i; j < number_requests; ++j)
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// {
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// event_info->setTransitionInfo("Request" + (String)j, TransitionInfo(1.0, 0.0, 0.0));
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//
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// }
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// //double P_0 = (double)(number_requests - i) / (double)(number_requests);
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// //double P_1 = (double)(i) / (double)(number_requests);
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// //TransitionInfo trans(P_0 * P_0, P_0 * P_1, P_1 * P_1);
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//
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// //for(unsigned int j = 0; j < number_requests; ++j)
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// //{
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// // event_info->setTransitionInfo("Request" + (String)j, trans);
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// //}
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// }
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createElectricalEventResult("Arbitrate");
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getEventInfo("Arbitrate")->setTransitionInfo("CK", TransitionInfo(0.0, 1.0, 0.0));
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for(unsigned int i = 0; i < number_requests; ++i)
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{
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getEventInfo("Arbitrate")->setTransitionInfo("Request" + (String)i, TransitionInfo(0.25, 0.25, 0.25));
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}
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if(number_requests == 1)
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{
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assign("Grant0", "Request0");
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}
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else
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{
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// Init components
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vector<String> g_inv_names(number_requests, "");
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vector<StdCell*> g_invs(number_requests, NULL);
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vector<String> g_and2_names(number_requests, "");
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vector<StdCell*> g_and2s(number_requests, NULL);
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for(unsigned int i = 0; i < number_requests; ++i)
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{
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g_inv_names[i] = "G_INV" + (String)i;
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g_and2_names[i] = "G_AND2" + (String)i;
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g_invs[i] = getTechModel()->getStdCellLib()->createStdCell("INV", g_inv_names[i]);
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g_invs[i]->construct();
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g_and2s[i] = getTechModel()->getStdCellLib()->createStdCell("AND2", g_and2_names[i]);
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g_and2s[i]->construct();
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}
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unsigned int number_states = (number_requests - 1) * number_requests / 2;
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vector<String> w_or2_names(number_states, "");
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vector<StdCell*> w_or2s(number_states, NULL);
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vector<String> w_and2_names(number_states, "");
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vector<StdCell*> w_and2s(number_states, NULL);
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vector<String> w_inv_names(number_states, "");
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vector<StdCell*> w_invs(number_states, NULL);
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vector<String> w_dff_names(number_states, "");
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vector<StdCell*> w_dffs(number_states, NULL);
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vector<String> dis_and2_names(number_states * 2, "");
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vector<StdCell*> dis_and2s(number_states * 2, NULL);
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vector<String> dis_inv_names(number_states, "");
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vector<StdCell*> dis_invs(number_states, NULL);
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unsigned int state_count = 0;
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for(unsigned int i = 0; i < number_requests; ++i)
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{
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for(unsigned int j = i + 1; j < number_requests; ++j)
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{
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w_or2_names[state_count] = String::format("W_OR2_%d_%d", i, j);
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w_and2_names[state_count] = String::format("W_AND2_%d_%d", i, j);
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w_inv_names[state_count] = String::format("W_INV_%d_%d", i, j);
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w_dff_names[state_count] = String::format("W_DFF_%d_%d", i, j);
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w_or2s[state_count] = getTechModel()->getStdCellLib()->createStdCell("OR2", w_or2_names[state_count]);
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w_or2s[state_count]->construct();
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w_and2s[state_count] = getTechModel()->getStdCellLib()->createStdCell("AND2", w_and2_names[state_count]);
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w_and2s[state_count]->construct();
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w_invs[state_count] = getTechModel()->getStdCellLib()->createStdCell("INV", w_inv_names[state_count]);
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w_invs[state_count]->construct();
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w_dffs[state_count] = getTechModel()->getStdCellLib()->createStdCell("DFFQ", w_dff_names[state_count]);
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w_dffs[state_count]->construct();
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dis_inv_names[state_count] = String::format("Dis_INV_%d_%d", i, j);
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dis_and2_names[state_count] = String::format("Dis_AND2_%d_%d", i, j);
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dis_and2_names[state_count + number_states] = String::format("Dis_AND2_%d_%d", j, i);
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dis_invs[state_count] = getTechModel()->getStdCellLib()->createStdCell("INV", dis_inv_names[state_count]);
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dis_invs[state_count]->construct();
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dis_and2s[state_count] = getTechModel()->getStdCellLib()->createStdCell("AND2", dis_and2_names[state_count]);
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dis_and2s[state_count]->construct();
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dis_and2s[state_count + number_states] = getTechModel()->getStdCellLib()->createStdCell("AND2", dis_and2_names[state_count + number_states]);
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dis_and2s[state_count + number_states]->construct();
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state_count++;
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}
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}
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vector<String> dis_or_names(number_requests, "");
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vector<ElectricalModel*> dis_ors(number_requests, NULL);
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for(unsigned int i = 0; i < number_requests; ++i)
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{
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dis_or_names[i] = "Dis_OR" + (String)i;
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dis_ors[i] = (ElectricalModel*)ModelGen::createModel("OR", dis_or_names[i], getTechModel());
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dis_ors[i]->setParameter("NumberInputs", number_requests-1);
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dis_ors[i]->setParameter("NumberBits", 1);
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dis_ors[i]->construct();
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}
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state_count = 0;
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for(unsigned int i = 0; i < number_requests; ++i)
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{
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createNet("Dis_OR_Out" + (String)i);
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createNet("G_INV_Out" + (String)i);
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portConnect(g_invs[i], "A", "Dis_OR_Out" + (String)i);
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portConnect(g_invs[i], "Y", "G_INV_Out" + (String)i);
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portConnect(g_and2s[i], "A", "Request" + (String)i);
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portConnect(g_and2s[i], "B", "G_INV_Out" + (String)i);
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portConnect(g_and2s[i], "Y", "Grant" + (String)i);
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for(unsigned int j = i + 1; j < number_requests; ++j)
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{
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createNet(String::format("W_INV_Out_%d_%d", i, j));
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createNet(String::format("W_OR2_Out_%d_%d", i, j));
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createNet(String::format("W_AND2_Out_%d_%d", i, j));
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createNet(String::format("W_DFF_Out_%d_%d", i, j));
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portConnect(w_invs[state_count], "A", "Grant" + (String)i);
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portConnect(w_invs[state_count], "Y", String::format("W_INV_Out_%d_%d", i, j));
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portConnect(w_or2s[state_count], "A", String::format("W_DFF_Out_%d_%d", i, j));
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portConnect(w_or2s[state_count], "B", "Grant" + (String)j);
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portConnect(w_or2s[state_count], "Y", String::format("W_OR2_Out_%d_%d", i, j));
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portConnect(w_and2s[state_count], "A", String::format("W_OR2_Out_%d_%d", i, j));
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portConnect(w_and2s[state_count], "B", String::format("W_INV_Out_%d_%d", i, j));
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portConnect(w_and2s[state_count], "Y", String::format("W_AND2_Out_%d_%d", i, j));
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portConnect(w_dffs[state_count], "D", String::format("W_AND2_Out_%d_%d", i, j));
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portConnect(w_dffs[state_count], "CK", "CK");
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portConnect(w_dffs[state_count], "Q", String::format("W_DFF_Out_%d_%d", i, j));
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createNet(String::format("Dis_AND2_Out_%d_%d", i, j));
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createNet(String::format("Dis_AND2_Out_%d_%d", j, i));
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createNet(String::format("Dis_INV_Out_%d_%d", j, i));
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portConnect(dis_and2s[state_count], "A", "Request" + (String)i);
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portConnect(dis_and2s[state_count], "B", String::format("W_DFF_Out_%d_%d", i, j));
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portConnect(dis_and2s[state_count], "Y", String::format("Dis_AND2_Out_%d_%d", i, j));
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portConnect(dis_invs[state_count], "A", String::format("W_DFF_Out_%d_%d", i, j));
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portConnect(dis_invs[state_count], "Y", String::format("Dis_INV_Out_%d_%d", j, i));
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portConnect(dis_and2s[state_count + number_states], "A", "Request" + (String)j);
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portConnect(dis_and2s[state_count + number_states], "B", String::format("Dis_INV_Out_%d_%d", j, i));
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portConnect(dis_and2s[state_count + number_states], "Y", String::format("Dis_AND2_Out_%d_%d", j, i));
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state_count++;
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}
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}
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for(unsigned int i = 0; i < number_requests; ++i)
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{
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unsigned int k = 0;
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for(unsigned int j = 0; j < number_requests; ++j)
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{
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if(i != j)
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{
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portConnect(dis_ors[i], "In" + (String)k, String::format("Dis_AND2_Out_%d_%d", j, i));
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k++;
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}
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}
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portConnect(dis_ors[i], "Out", "Dis_OR_Out" + (String)i);
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}
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// Add instances
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for(unsigned int i = 0; i < number_requests; ++i)
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{
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addSubInstances(g_invs[i], 1.0);
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addElectricalSubResults(g_invs[i], 1.0);
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addSubInstances(g_and2s[i], 1.0);
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addElectricalSubResults(g_and2s[i], 1.0);
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addSubInstances(dis_ors[i], 1.0);
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addElectricalSubResults(dis_ors[i], 1.0);
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}
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for(unsigned int i = 0; i < number_states; ++i)
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{
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addSubInstances(w_or2s[i], 1.0);
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addElectricalSubResults(w_or2s[i], 1.0);
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addSubInstances(w_and2s[i], 1.0);
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addElectricalSubResults(w_and2s[i], 1.0);
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addSubInstances(w_invs[i], 1.0);
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addElectricalSubResults(w_invs[i], 1.0);
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addSubInstances(w_dffs[i], 1.0);
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addElectricalSubResults(w_dffs[i], 1.0);
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addSubInstances(dis_and2s[i], 1.0);
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addElectricalSubResults(dis_and2s[i], 1.0);
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addSubInstances(dis_and2s[i + number_states], 1.0);
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addElectricalSubResults(dis_and2s[i + number_states], 1.0);
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addSubInstances(dis_invs[i], 1.0);
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addElectricalSubResults(dis_invs[i], 1.0);
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}
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// Update event
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//for(unsigned int i = 0; i <= number_requests; ++i)
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//{
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//Result* arb_event = getEventResult("Arbitrate" + (String)i);
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Result* arb_event = getEventResult("Arbitrate");
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for(unsigned int j = 0; j < number_requests; ++j)
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{
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arb_event->addSubResult(g_invs[j]->getEventResult("INV"), g_inv_names[j], 1.0);
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arb_event->addSubResult(g_and2s[j]->getEventResult("AND2"), g_and2_names[j], 1.0);
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arb_event->addSubResult(dis_ors[j]->getEventResult("OR"), dis_or_names[j], 1.0);
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}
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for(unsigned int j = 0; j < number_states; ++j)
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{
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arb_event->addSubResult(w_or2s[j]->getEventResult("OR2"), w_or2_names[j], 1.0);
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arb_event->addSubResult(w_and2s[j]->getEventResult("AND2"), w_and2_names[j], 1.0);
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arb_event->addSubResult(w_invs[j]->getEventResult("INV"), w_inv_names[j], 1.0);
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arb_event->addSubResult(w_dffs[j]->getEventResult("DFFD"), w_dff_names[j], 1.0);
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arb_event->addSubResult(w_dffs[j]->getEventResult("DFFQ"), w_dff_names[j], 1.0);
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arb_event->addSubResult(w_dffs[j]->getEventResult("CK"), w_dff_names[j], 1.0);
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arb_event->addSubResult(dis_and2s[j]->getEventResult("AND2"), dis_and2_names[j], 1.0);
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arb_event->addSubResult(dis_and2s[j + number_states]->getEventResult("AND2"), dis_and2_names[j + number_states], 1.0);
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arb_event->addSubResult(dis_invs[j]->getEventResult("INV"), dis_inv_names[j], 1.0);
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}
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//}
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}
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return;
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}
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void MatrixArbiter::propagateTransitionInfo()
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{
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// Get parameters
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unsigned int number_requests = getParameter("NumberRequests").toUInt();
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if(number_requests == 1)
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{
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propagatePortTransitionInfo("Grant0", "Request0");
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}
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else
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{
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unsigned int number_states = (number_requests - 1) * number_requests / 2;
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vector<ElectricalModel*> g_and2s(number_requests, NULL);
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vector<ElectricalModel*> g_invs(number_requests, NULL);
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vector<ElectricalModel*> w_invs(number_states, NULL);
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vector<ElectricalModel*> w_or2s(number_states, NULL);
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vector<ElectricalModel*> w_and2s(number_states, NULL);
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vector<ElectricalModel*> w_dffs(number_states, NULL);
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vector<ElectricalModel*> dis_invs(number_states, NULL);
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vector<ElectricalModel*> dis_and2s(number_requests * number_requests, NULL);
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vector<ElectricalModel*> dis_ors(number_requests, NULL);
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for(unsigned int i = 0; i < number_requests; ++i)
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{
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g_and2s[i] = (ElectricalModel*)getSubInstance("G_AND2" + (String)i);
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g_invs[i] = (ElectricalModel*)getSubInstance("G_INV" + (String)i);
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dis_ors[i] = (ElectricalModel*)getSubInstance("Dis_OR" + (String)i);
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}
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unsigned int state_count = 0;
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for(unsigned int i = 0; i < number_requests; ++i)
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{
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for(unsigned int j = i + 1; j < number_requests; ++j)
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{
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w_invs[state_count] = (ElectricalModel*)getSubInstance(String::format("W_INV_%d_%d", i, j));
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w_or2s[state_count] = (ElectricalModel*)getSubInstance(String::format("W_OR2_%d_%d", i, j));
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w_and2s[state_count] = (ElectricalModel*)getSubInstance(String::format("W_AND2_%d_%d", i, j));
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w_dffs[state_count] = (ElectricalModel*)getSubInstance(String::format("W_DFF_%d_%d", i, j));
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dis_invs[state_count] = (ElectricalModel*)getSubInstance(String::format("Dis_INV_%d_%d", i, j));
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dis_and2s[i * number_requests + j] = (ElectricalModel*)getSubInstance(String::format("Dis_AND2_%d_%d", i, j));
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dis_and2s[j * number_requests + i] = (ElectricalModel*)getSubInstance(String::format("Dis_AND2_%d_%d", j, i));
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w_dffs[state_count]->getInputPort("D")->setTransitionInfo(TransitionInfo(0.5, 0.0, 0.5));
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propagatePortTransitionInfo(w_dffs[state_count], "CK", "CK");
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w_dffs[state_count]->use();
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state_count++;
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}
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}
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unsigned int iteration = 1;
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unsigned int max_number_iterations = 10;
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//vector<TransitionInfo> trans_vector(number_states, TransitionInfo(0.0, 0.0, 1.0));
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//vector<double> total_P_vector(number_states, 0.0);
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while(iteration < max_number_iterations)
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{
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// for(unsigned int i = 0; i < number_states; ++i)
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// {
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// w_dffs[i]->getInputPort("D")->setTransitionInfo(trans_vector[i]);
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// propagatePortTransitionInfo(w_dffs[i], "CK", "CK");
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// w_dffs[i]->use();
|
|
// }
|
|
state_count = 0;
|
|
for(unsigned int i = 0; i < number_requests; ++i)
|
|
{
|
|
for(unsigned int j = i + 1; j < number_requests; ++j)
|
|
{
|
|
propagatePortTransitionInfo(dis_and2s[i * number_requests + j], "A", "Request" + (String)i);
|
|
propagatePortTransitionInfo(dis_and2s[i * number_requests + j], "B", w_dffs[state_count], "Q");
|
|
dis_and2s[i * number_requests + j]->use();
|
|
propagatePortTransitionInfo(dis_invs[state_count], "A", w_dffs[state_count], "Q");
|
|
dis_invs[state_count]->use();
|
|
propagatePortTransitionInfo(dis_and2s[j * number_requests + i], "A", "Request" + (String)j);
|
|
propagatePortTransitionInfo(dis_and2s[j * number_requests + i], "B", dis_invs[state_count], "Y");
|
|
dis_and2s[j * number_requests + i]->use();
|
|
|
|
state_count++;
|
|
}
|
|
}
|
|
for(unsigned int i = 0; i < number_requests; ++i)
|
|
{
|
|
unsigned int k = 0;
|
|
for(unsigned int j = 0; j < number_requests; ++j)
|
|
{
|
|
if(i != j)
|
|
{
|
|
propagatePortTransitionInfo(dis_ors[i], "In" + (String)k, dis_and2s[j * number_requests + i], "Y");
|
|
k++;
|
|
}
|
|
}
|
|
dis_ors[i]->use();
|
|
}
|
|
for(unsigned int i = 0; i < number_requests; ++i)
|
|
{
|
|
propagatePortTransitionInfo(g_invs[i], "A", dis_ors[i], "Out");
|
|
g_invs[i]->use();
|
|
propagatePortTransitionInfo(g_and2s[i], "A", "Request" + (String)i);
|
|
propagatePortTransitionInfo(g_and2s[i], "B", g_invs[i], "Y");
|
|
g_and2s[i]->use();
|
|
}
|
|
state_count = 0;
|
|
for(unsigned int i = 0; i < number_requests; ++i)
|
|
{
|
|
for(unsigned int j = i + 1; j < number_requests; ++j)
|
|
{
|
|
propagatePortTransitionInfo(w_invs[state_count], "A", g_and2s[i], "Y");
|
|
w_invs[state_count]->use();
|
|
propagatePortTransitionInfo(w_or2s[state_count], "A", w_dffs[state_count], "Q");
|
|
propagatePortTransitionInfo(w_or2s[state_count], "B", g_and2s[j], "Y");
|
|
w_or2s[state_count]->use();
|
|
propagatePortTransitionInfo(w_and2s[state_count], "A", w_or2s[state_count], "Y");
|
|
propagatePortTransitionInfo(w_and2s[state_count], "B", w_invs[state_count], "Y");
|
|
w_and2s[state_count]->use();
|
|
propagatePortTransitionInfo(w_dffs[state_count], "D", w_and2s[state_count], "Y");
|
|
propagatePortTransitionInfo(w_dffs[state_count], "CK", "CK");
|
|
w_dffs[state_count]->use();
|
|
state_count++;
|
|
}
|
|
}
|
|
|
|
// for(unsigned int i = 0; i < number_states; ++i)
|
|
// {
|
|
// const TransitionInfo& new_trans = w_dffs[i]->getOutputPort("Q")->getTransitionInfo();
|
|
// total_P_vector[i] += new_trans.getProbability1();
|
|
// trans_vector[i] = TransitionInfo((1.0 - total_P_vector[i] / iteration) * (1.0 - total_P_vector[i] / iteration),
|
|
// (1.0 - total_P_vector[i] / iteration) * (total_P_vector[i] / iteration),
|
|
// (total_P_vector[i] / iteration) * (total_P_vector[i] / iteration));
|
|
// }
|
|
//
|
|
// for(unsigned int i = 0; i < number_requests; ++i)
|
|
// {
|
|
// g_and2s[i]->getOutputPort("Y")->getTransitionInfo().print(cout);
|
|
// }
|
|
// cout << endl;
|
|
iteration++;
|
|
}
|
|
|
|
for(unsigned int i = 0; i < number_requests; ++i)
|
|
{
|
|
propagatePortTransitionInfo("Grant" + (String)i, g_and2s[i], "Y");
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
} // namespace DSENT
|
|
|