ruby: Add support for generating topologies in Python.
This commit is contained in:
Steve Reinhardt
parent
184cf4db5b
commit
0b54f1db8e
7 changed files with 140 additions and 148 deletions
|
|
@ -97,24 +97,35 @@ class L2Cache(RubyCache):
|
|||
latency = 15
|
||||
size = 1048576
|
||||
|
||||
class CrossbarTopology(Topology):
|
||||
connections="hi"
|
||||
# It would be nice to lump all the network nodes into a single list,
|
||||
# but for consistency with the old scripts I'm segregating them by
|
||||
# type. I'm not sure if this is really necessary or not.
|
||||
|
||||
for cpu in cpus:
|
||||
# net_nodes = []
|
||||
l1_cntrl_nodes = []
|
||||
dir_cntrl_nodes = []
|
||||
|
||||
for cpu in cpus:
|
||||
l1_cntrl = L1Cache_Controller()
|
||||
cpu_seq = RubySequencer(controller=l1_cntrl,
|
||||
icache=L1Cache(controller=l1_cntrl),
|
||||
dcache=L1Cache(controller=l1_cntrl))
|
||||
cpu_seq = RubySequencer(controller = l1_cntrl,
|
||||
icache = L1Cache(controller = l1_cntrl),
|
||||
dcache = L1Cache(controller = l1_cntrl))
|
||||
cpu.controller = l1_cntrl
|
||||
cpu.sequencer = cpu_seq
|
||||
cpu.test = cpu_seq.port
|
||||
cpu_seq.funcmem_port = system.physmem.port
|
||||
cpu.functional = system.funcmem.port
|
||||
|
||||
dir_cntrl = Directory_Controller(directory=RubyDirectoryMemory(),
|
||||
memory_control=RubyMemoryControl())
|
||||
dir_cntrl = Directory_Controller(version = i,
|
||||
directory = RubyDirectoryMemory(),
|
||||
memory_control = RubyMemoryControl())
|
||||
|
||||
network = SimpleNetwork(topology=CrossbarTopology())
|
||||
# net_nodes += [l1_cntrl, dir_cntrl]
|
||||
l1_cntrl_nodes.append(l1_cntrl)
|
||||
dir_cntrl_nodes.append(dir_cntrl)
|
||||
|
||||
network = SimpleNetwork(topology = makeCrossbar(l1_cntrl_nodes + \
|
||||
dir_cntrl_nodes))
|
||||
|
||||
system.ruby = RubySystem(network = network,
|
||||
profiler = RubyProfiler(),
|
||||
|
|
|
|||
|
|
@ -30,12 +30,40 @@
|
|||
from m5.params import *
|
||||
from m5.SimObject import SimObject
|
||||
|
||||
class Link(SimObject):
|
||||
type = 'Link'
|
||||
latency = Param.Int(1, "")
|
||||
bw_multiplier = Param.Int("")
|
||||
weight = Param.Int(1, "")
|
||||
|
||||
class ExtLink(Link):
|
||||
type = 'ExtLink'
|
||||
ext_node = Param.RubyController("External node")
|
||||
int_node = Param.Int("ID of internal node")
|
||||
bw_multiplier = 64
|
||||
|
||||
class IntLink(Link):
|
||||
type = 'IntLink'
|
||||
node_a = Param.Int("ID of internal node on one end")
|
||||
node_b = Param.Int("ID of internal node on other end")
|
||||
bw_multiplier = 16
|
||||
|
||||
class Topology(SimObject):
|
||||
type = 'Topology'
|
||||
connections = Param.String("")
|
||||
ext_links = VectorParam.ExtLink("Links to external nodes")
|
||||
int_links = VectorParam.IntLink("Links between internal nodes")
|
||||
num_int_nodes = Param.Int("Nunber of internal nodes")
|
||||
print_config = Param.Bool(False,
|
||||
"display topology config in the stats file")
|
||||
|
||||
def makeCrossbar(nodes):
|
||||
ext_links = [ExtLink(ext_node=n, int_node=i)
|
||||
for (i, n) in enumerate(nodes)]
|
||||
xbar = len(nodes) # node ID for crossbar switch
|
||||
int_links = [IntLink(node_a=i, node_b=xbar) for i in range(len(nodes))]
|
||||
return Topology(ext_links=ext_links, int_links=int_links,
|
||||
num_int_nodes=len(nodes)+1)
|
||||
|
||||
class RubyNetwork(SimObject):
|
||||
type = 'RubyNetwork'
|
||||
cxx_class = 'Network'
|
||||
|
|
|
|||
|
|
@ -96,7 +96,7 @@ void GarnetNetwork_d::init()
|
|||
ni->addNode(m_toNetQueues[i], m_fromNetQueues[i]);
|
||||
m_ni_ptr_vector.insertAtBottom(ni);
|
||||
}
|
||||
m_topology_ptr->createLinks(false); // false because this isn't a reconfiguration
|
||||
m_topology_ptr->createLinks(this, false); // false because this isn't a reconfiguration
|
||||
for(int i = 0; i < m_router_ptr_vector.size(); i++)
|
||||
{
|
||||
m_router_ptr_vector[i]->init();
|
||||
|
|
|
|||
|
|
@ -95,7 +95,7 @@ void GarnetNetwork::init()
|
|||
ni->addNode(m_toNetQueues[i], m_fromNetQueues[i]);
|
||||
m_ni_ptr_vector.insertAtBottom(ni);
|
||||
}
|
||||
m_topology_ptr->createLinks(false); // false because this isn't a reconfiguration
|
||||
m_topology_ptr->createLinks(this, false); // false because this isn't a reconfiguration
|
||||
}
|
||||
|
||||
GarnetNetwork::~GarnetNetwork()
|
||||
|
|
|
|||
|
|
@ -62,8 +62,6 @@ Network* Network::createNetwork(int nodes)
|
|||
SimpleNetwork::SimpleNetwork(const Params *p)
|
||||
: Network(p)
|
||||
{
|
||||
m_virtual_networks = 0;
|
||||
m_topology_ptr = NULL;
|
||||
}
|
||||
|
||||
void SimpleNetwork::init()
|
||||
|
|
@ -101,7 +99,7 @@ void SimpleNetwork::init()
|
|||
for (int i=0; i<number_of_switches; i++) {
|
||||
m_switch_ptr_vector.insertAtBottom(new Switch(i, this));
|
||||
}
|
||||
m_topology_ptr->createLinks(false); // false because this isn't a reconfiguration
|
||||
m_topology_ptr->createLinks(this, false); // false because this isn't a reconfiguration
|
||||
}
|
||||
|
||||
void SimpleNetwork::reset()
|
||||
|
|
|
|||
|
|
@ -39,6 +39,7 @@
|
|||
#include "mem/ruby/network/simple/Topology.hh"
|
||||
#include "mem/ruby/common/NetDest.hh"
|
||||
#include "mem/ruby/network/Network.hh"
|
||||
#include "mem/ruby/slicc_interface/AbstractController.hh"
|
||||
#include "mem/protocol/TopologyType.hh"
|
||||
#include "mem/gems_common/util.hh"
|
||||
#include "mem/protocol/MachineType.hh"
|
||||
|
|
@ -65,19 +66,29 @@ static NetDest shortest_path_to_node(SwitchID src, SwitchID next, const Matrix&
|
|||
Topology::Topology(const Params *p)
|
||||
: SimObject(p)
|
||||
{
|
||||
// m_network_ptr = p->network;
|
||||
m_connections = p->connections;
|
||||
m_print_config = p->print_config;
|
||||
m_nodes = MachineType_base_number(MachineType_NUM);
|
||||
m_number_of_switches = 0;
|
||||
m_number_of_switches = p->num_int_nodes;
|
||||
// initialize component latencies record
|
||||
m_component_latencies.setSize(0);
|
||||
m_component_inter_switches.setSize(0);
|
||||
}
|
||||
|
||||
void Topology::init()
|
||||
{
|
||||
// need to defer this until init, to guarantee that constructors
|
||||
// for all the controller objects have been called.
|
||||
m_nodes = MachineType_base_number(MachineType_NUM);
|
||||
}
|
||||
|
||||
void Topology::makeTopology()
|
||||
{
|
||||
if (m_nodes != params()->ext_links.size()) {
|
||||
fatal("m_nodes (%d) != ext_links vector length (%d)\n",
|
||||
m_nodes != params()->ext_links.size());
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*
|
||||
if (m_nodes == 1) {
|
||||
SwitchID id = newSwitchID();
|
||||
|
|
@ -95,133 +106,33 @@ void Topology::makeTopology()
|
|||
Vector< SwitchID > int_network_switches; // internal switches extracted from the file
|
||||
Vector<bool> endpointConnectionExist; // used to ensure all endpoints are connected to the network
|
||||
|
||||
endpointConnectionExist.setSize(m_nodes);
|
||||
for (vector<ExtLink*>::const_iterator i = params()->ext_links.begin();
|
||||
i != params()->ext_links.end(); ++i)
|
||||
{
|
||||
const ExtLinkParams *p = (*i)->params();
|
||||
AbstractController *c = p->ext_node;
|
||||
int ext_idx1 =
|
||||
MachineType_base_number(c->getMachineType()) + c->getVersion();
|
||||
int ext_idx2 = ext_idx1 + m_nodes;
|
||||
int int_idx = p->int_node + 2*m_nodes;
|
||||
|
||||
// initialize endpoint check vector
|
||||
for (int k = 0; k < endpointConnectionExist.size(); k++) {
|
||||
endpointConnectionExist[k] = false;
|
||||
addLink(ext_idx1, int_idx, p->latency, p->bw_multiplier, p->weight);
|
||||
addLink(int_idx, ext_idx2, p->latency, p->bw_multiplier, p->weight);
|
||||
}
|
||||
|
||||
stringstream networkFile( m_connections );
|
||||
|
||||
string line = "";
|
||||
|
||||
while (!networkFile.eof()) {
|
||||
|
||||
Vector < SwitchID > nodes;
|
||||
nodes.setSize(2);
|
||||
int latency = -1; // null latency
|
||||
int weight = -1; // null weight
|
||||
int bw_multiplier = DEFAULT_BW_MULTIPLIER; // default multiplier incase the network file doesn't define it
|
||||
int i = 0; // node pair index
|
||||
int varsFound = 0; // number of varsFound on the line
|
||||
int internalNodes = 0; // used to determine if the link is between 2 internal nodes
|
||||
std::getline(networkFile, line, '\n');
|
||||
string varStr = string_split(line, ' ');
|
||||
|
||||
// parse the current line in the file
|
||||
while (varStr != "") {
|
||||
string label = string_split(varStr, ':');
|
||||
|
||||
// valid node labels
|
||||
if (label == "ext_node" || label == "int_node") {
|
||||
ASSERT(i < 2); // one link between 2 switches per line
|
||||
varsFound++;
|
||||
bool isNewIntSwitch = true;
|
||||
if (label == "ext_node") { // input link to node
|
||||
MachineType machine = string_to_MachineType(string_split(varStr, ':'));
|
||||
string nodeStr = string_split(varStr, ':');
|
||||
nodes[i] = MachineType_base_number(machine)
|
||||
+ atoi(nodeStr.c_str());
|
||||
|
||||
// in nodes should be numbered 0 to m_nodes-1
|
||||
ASSERT(nodes[i] >= 0 && nodes[i] < m_nodes);
|
||||
isNewIntSwitch = false;
|
||||
endpointConnectionExist[nodes[i]] = true;
|
||||
}
|
||||
if (label == "int_node") { // interior node
|
||||
nodes[i] = atoi((string_split(varStr, ':')).c_str())+m_nodes*2;
|
||||
// in nodes should be numbered >= m_nodes*2
|
||||
ASSERT(nodes[i] >= m_nodes*2);
|
||||
for (int k = 0; k < int_network_switches.size(); k++) {
|
||||
if (int_network_switches[k] == nodes[i]) {
|
||||
isNewIntSwitch = false;
|
||||
}
|
||||
}
|
||||
if (isNewIntSwitch) { // if internal switch
|
||||
m_number_of_switches++;
|
||||
int_network_switches.insertAtBottom(nodes[i]);
|
||||
}
|
||||
internalNodes++;
|
||||
}
|
||||
i++;
|
||||
} else if (label == "link_latency") {
|
||||
latency = atoi((string_split(varStr, ':')).c_str());
|
||||
varsFound++;
|
||||
} else if (label == "bw_multiplier") { // not necessary, defaults to DEFAULT_BW_MULTIPLIER
|
||||
bw_multiplier = atoi((string_split(varStr, ':')).c_str());
|
||||
} else if (label == "link_weight") { // not necessary, defaults to link_latency
|
||||
weight = atoi((string_split(varStr, ':')).c_str());
|
||||
} else {
|
||||
cerr << "Error: Unexpected Identifier: " << label << endl;
|
||||
exit(1);
|
||||
}
|
||||
varStr = string_split(line, ' ');
|
||||
}
|
||||
if (varsFound == 3) { // all three necessary link variables where found so add the link
|
||||
nodePairs.insertAtBottom(nodes);
|
||||
latencies.insertAtBottom(latency);
|
||||
if (weight != -1) {
|
||||
weights.insertAtBottom(weight);
|
||||
} else {
|
||||
weights.insertAtBottom(latency);
|
||||
}
|
||||
bw_multis.insertAtBottom(bw_multiplier);
|
||||
Vector < SwitchID > otherDirectionNodes;
|
||||
otherDirectionNodes.setSize(2);
|
||||
otherDirectionNodes[0] = nodes[1];
|
||||
if (internalNodes == 2) { // this is an internal link
|
||||
otherDirectionNodes[1] = nodes[0];
|
||||
} else {
|
||||
otherDirectionNodes[1] = nodes[0]+m_nodes;
|
||||
}
|
||||
nodePairs.insertAtBottom(otherDirectionNodes);
|
||||
latencies.insertAtBottom(latency);
|
||||
if (weight != -1) {
|
||||
weights.insertAtBottom(weight);
|
||||
} else {
|
||||
weights.insertAtBottom(latency);
|
||||
}
|
||||
bw_multis.insertAtBottom(bw_multiplier);
|
||||
} else {
|
||||
if (varsFound != 0) { // if this is not a valid link, then no vars should have been found
|
||||
cerr << "Error in line: " << line << endl;
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
} // end of file
|
||||
|
||||
// makes sure all enpoints are connected in the soon to be created network
|
||||
for (int k = 0; k < endpointConnectionExist.size(); k++) {
|
||||
if (endpointConnectionExist[k] == false) {
|
||||
cerr << "Error: Unconnected Endpoint: " << k << endl;
|
||||
exit(1);
|
||||
}
|
||||
for (vector<IntLink*>::const_iterator i = params()->int_links.begin();
|
||||
i != params()->int_links.end(); ++i)
|
||||
{
|
||||
const IntLinkParams *p = (*i)->params();
|
||||
int a = p->node_a + 2*m_nodes;
|
||||
int b = p->node_b + 2*m_nodes;
|
||||
addLink(a, b, p->latency, p->bw_multiplier, p->weight);
|
||||
addLink(b, a, p->latency, p->bw_multiplier, p->weight);
|
||||
}
|
||||
|
||||
ASSERT(nodePairs.size() == latencies.size() && latencies.size() == bw_multis.size() && latencies.size() == weights.size())
|
||||
for (int k = 0; k < nodePairs.size(); k++) {
|
||||
ASSERT(nodePairs[k].size() == 2);
|
||||
addLink(nodePairs[k][0], nodePairs[k][1], latencies[k], bw_multis[k], weights[k]);
|
||||
}
|
||||
|
||||
// initialize component latencies record
|
||||
m_component_latencies.setSize(0);
|
||||
m_component_inter_switches.setSize(0);
|
||||
}
|
||||
|
||||
|
||||
void Topology::createLinks(bool isReconfiguration)
|
||||
void Topology::createLinks(Network *net, bool isReconfiguration)
|
||||
{
|
||||
// Find maximum switchID
|
||||
|
||||
|
|
@ -279,7 +190,7 @@ void Topology::createLinks(bool isReconfiguration)
|
|||
if (weight > 0 && weight != INFINITE_LATENCY) {
|
||||
NetDest destination_set = shortest_path_to_node(i, j, topology_weights, dist);
|
||||
assert(latency != -1);
|
||||
makeLink(i, j, destination_set, latency, weight, bw_multiplier, isReconfiguration);
|
||||
makeLink(net, i, j, destination_set, latency, weight, bw_multiplier, isReconfiguration);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -312,20 +223,20 @@ void Topology::addLink(SwitchID src, SwitchID dest, int link_latency, int bw_mul
|
|||
m_bw_multiplier_vector.insertAtBottom(bw_multiplier);
|
||||
}
|
||||
|
||||
void Topology::makeLink(SwitchID src, SwitchID dest, const NetDest& routing_table_entry, int link_latency, int link_weight, int bw_multiplier, bool isReconfiguration)
|
||||
void Topology::makeLink(Network *net, SwitchID src, SwitchID dest, const NetDest& routing_table_entry, int link_latency, int link_weight, int bw_multiplier, bool isReconfiguration)
|
||||
{
|
||||
// Make sure we're not trying to connect two end-point nodes directly together
|
||||
assert((src >= 2*m_nodes) || (dest >= 2*m_nodes));
|
||||
|
||||
if (src < m_nodes) {
|
||||
m_network_ptr->makeInLink(src, dest-(2*m_nodes), routing_table_entry, link_latency, bw_multiplier, isReconfiguration);
|
||||
net->makeInLink(src, dest-(2*m_nodes), routing_table_entry, link_latency, bw_multiplier, isReconfiguration);
|
||||
} else if (dest < 2*m_nodes) {
|
||||
assert(dest >= m_nodes);
|
||||
NodeID node = dest-m_nodes;
|
||||
m_network_ptr->makeOutLink(src-(2*m_nodes), node, routing_table_entry, link_latency, link_weight, bw_multiplier, isReconfiguration);
|
||||
net->makeOutLink(src-(2*m_nodes), node, routing_table_entry, link_latency, link_weight, bw_multiplier, isReconfiguration);
|
||||
} else {
|
||||
assert((src >= 2*m_nodes) && (dest >= 2*m_nodes));
|
||||
m_network_ptr->makeInternalLink(src-(2*m_nodes), dest-(2*m_nodes), routing_table_entry, link_latency, link_weight, bw_multiplier, isReconfiguration);
|
||||
net->makeInternalLink(src-(2*m_nodes), dest-(2*m_nodes), routing_table_entry, link_latency, link_weight, bw_multiplier, isReconfiguration);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -454,3 +365,21 @@ TopologyParams::create()
|
|||
{
|
||||
return new Topology(this);
|
||||
}
|
||||
|
||||
Link *
|
||||
LinkParams::create()
|
||||
{
|
||||
return new Link(this);
|
||||
}
|
||||
|
||||
ExtLink *
|
||||
ExtLinkParams::create()
|
||||
{
|
||||
return new ExtLink(this);
|
||||
}
|
||||
|
||||
IntLink *
|
||||
IntLinkParams::create()
|
||||
{
|
||||
return new IntLink(this);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -52,17 +52,45 @@
|
|||
#include "mem/ruby/system/NodeID.hh"
|
||||
#include "sim/sim_object.hh"
|
||||
#include "params/Topology.hh"
|
||||
#include "params/Link.hh"
|
||||
#include "params/ExtLink.hh"
|
||||
#include "params/IntLink.hh"
|
||||
|
||||
class Network;
|
||||
class NetDest;
|
||||
|
||||
typedef Vector < Vector <int> > Matrix;
|
||||
|
||||
class Link : public SimObject {
|
||||
public:
|
||||
typedef LinkParams Params;
|
||||
Link(const Params *p) : SimObject(p) {}
|
||||
const Params *params() const { return (const Params *)_params; }
|
||||
};
|
||||
|
||||
|
||||
class ExtLink : public Link {
|
||||
public:
|
||||
typedef ExtLinkParams Params;
|
||||
ExtLink(const Params *p) : Link(p) {}
|
||||
const Params *params() const { return (const Params *)_params; }
|
||||
};
|
||||
|
||||
|
||||
class IntLink : public Link {
|
||||
public:
|
||||
typedef IntLinkParams Params;
|
||||
IntLink(const Params *p) : Link(p) {}
|
||||
const Params *params() const { return (const Params *)_params; }
|
||||
};
|
||||
|
||||
|
||||
class Topology : public SimObject {
|
||||
public:
|
||||
// Constructors
|
||||
typedef TopologyParams Params;
|
||||
Topology(const Params *p);
|
||||
const Params *params() const { return (const Params *)_params; }
|
||||
|
||||
// Destructor
|
||||
virtual ~Topology() {}
|
||||
|
|
@ -72,7 +100,7 @@ public:
|
|||
// Public Methods
|
||||
void makeTopology();
|
||||
int numSwitches() const { return m_number_of_switches; }
|
||||
void createLinks(bool isReconfiguration);
|
||||
void createLinks(Network *net, bool isReconfiguration);
|
||||
|
||||
const string getName() { return m_name; }
|
||||
void printStats(ostream& out) const {}
|
||||
|
|
@ -86,7 +114,7 @@ protected:
|
|||
void addLink(SwitchID src, SwitchID dest, int link_latency);
|
||||
void addLink(SwitchID src, SwitchID dest, int link_latency, int bw_multiplier);
|
||||
void addLink(SwitchID src, SwitchID dest, int link_latency, int bw_multiplier, int link_weight);
|
||||
void makeLink(SwitchID src, SwitchID dest, const NetDest& routing_table_entry, int link_latency, int weight, int bw_multiplier, bool isReconfiguration);
|
||||
void makeLink(Network *net, SwitchID src, SwitchID dest, const NetDest& routing_table_entry, int link_latency, int weight, int bw_multiplier, bool isReconfiguration);
|
||||
|
||||
// void makeSwitchesPerChip(Vector< Vector < SwitchID > > &nodePairs, Vector<int> &latencies, Vector<int> &bw_multis, int numberOfChips);
|
||||
|
||||
|
|
@ -98,8 +126,6 @@ protected:
|
|||
// Data Members (m_ prefix)
|
||||
string m_name;
|
||||
bool m_print_config;
|
||||
Network* m_network_ptr;
|
||||
string m_connections;
|
||||
NodeID m_nodes;
|
||||
int m_number_of_switches;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue