SimpleNetwork.cc revision 8258
16145Snate@binkert.org/* 26145Snate@binkert.org * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 36145Snate@binkert.org * All rights reserved. 46145Snate@binkert.org * 56145Snate@binkert.org * Redistribution and use in source and binary forms, with or without 66145Snate@binkert.org * modification, are permitted provided that the following conditions are 76145Snate@binkert.org * met: redistributions of source code must retain the above copyright 86145Snate@binkert.org * notice, this list of conditions and the following disclaimer; 96145Snate@binkert.org * redistributions in binary form must reproduce the above copyright 106145Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 116145Snate@binkert.org * documentation and/or other materials provided with the distribution; 126145Snate@binkert.org * neither the name of the copyright holders nor the names of its 136145Snate@binkert.org * contributors may be used to endorse or promote products derived from 146145Snate@binkert.org * this software without specific prior written permission. 156145Snate@binkert.org * 166145Snate@binkert.org * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176145Snate@binkert.org * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186145Snate@binkert.org * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196145Snate@binkert.org * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206145Snate@binkert.org * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216145Snate@binkert.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226145Snate@binkert.org * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236145Snate@binkert.org * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246145Snate@binkert.org * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256145Snate@binkert.org * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266145Snate@binkert.org * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276145Snate@binkert.org */ 286145Snate@binkert.org 297832Snate@binkert.org#include <cassert> 307547SBrad.Beckmann@amd.com#include <numeric> 317547SBrad.Beckmann@amd.com 327454Snate@binkert.org#include "base/stl_helpers.hh" 337054Snate@binkert.org#include "mem/protocol/MachineType.hh" 347054Snate@binkert.org#include "mem/protocol/Protocol.hh" 357054Snate@binkert.org#include "mem/protocol/TopologyType.hh" 367054Snate@binkert.org#include "mem/ruby/buffers/MessageBuffer.hh" 377054Snate@binkert.org#include "mem/ruby/common/NetDest.hh" 388257SBrad.Beckmann@amd.com#include "mem/ruby/network/BasicLink.hh" 398258SBrad.Beckmann@amd.com#include "mem/ruby/network/simple/SimpleLink.hh" 406154Snate@binkert.org#include "mem/ruby/network/simple/SimpleNetwork.hh" 417054Snate@binkert.org#include "mem/ruby/network/simple/Switch.hh" 427547SBrad.Beckmann@amd.com#include "mem/ruby/network/simple/Throttle.hh" 438255SBrad.Beckmann@amd.com#include "mem/ruby/network/Topology.hh" 446154Snate@binkert.org#include "mem/ruby/profiler/Profiler.hh" 456154Snate@binkert.org#include "mem/ruby/system/System.hh" 466145Snate@binkert.org 477055Snate@binkert.orgusing namespace std; 487454Snate@binkert.orgusing m5::stl_helpers::deletePointers; 497055Snate@binkert.org 507054Snate@binkert.org#if 0 516284Snate@binkert.org// ***BIG HACK*** - This is actually code that _should_ be in Network.cc 526145Snate@binkert.org 536145Snate@binkert.org// Note: Moved to Princeton Network 546145Snate@binkert.org// calls new to abstract away from the network 557054Snate@binkert.orgNetwork* 567054Snate@binkert.orgNetwork::createNetwork(int nodes) 576145Snate@binkert.org{ 587054Snate@binkert.org return new SimpleNetwork(nodes); 596145Snate@binkert.org} 607054Snate@binkert.org#endif 616145Snate@binkert.org 626876Ssteve.reinhardt@amd.comSimpleNetwork::SimpleNetwork(const Params *p) 636876Ssteve.reinhardt@amd.com : Network(p) 646285Snate@binkert.org{ 657054Snate@binkert.org // Note: the parent Network Object constructor is called before the 667054Snate@binkert.org // SimpleNetwork child constructor. Therefore, the member variables 677054Snate@binkert.org // used below should already be initialized. 686285Snate@binkert.org 697454Snate@binkert.org m_endpoint_switches.resize(m_nodes); 706285Snate@binkert.org 717454Snate@binkert.org m_in_use.resize(m_virtual_networks); 727454Snate@binkert.org m_ordered.resize(m_virtual_networks); 737054Snate@binkert.org for (int i = 0; i < m_virtual_networks; i++) { 747054Snate@binkert.org m_in_use[i] = false; 757054Snate@binkert.org m_ordered[i] = false; 766285Snate@binkert.org } 777054Snate@binkert.org 787054Snate@binkert.org // Allocate to and from queues 797454Snate@binkert.org m_toNetQueues.resize(m_nodes); 807454Snate@binkert.org m_fromNetQueues.resize(m_nodes); 817054Snate@binkert.org for (int node = 0; node < m_nodes; node++) { 827454Snate@binkert.org m_toNetQueues[node].resize(m_virtual_networks); 837454Snate@binkert.org m_fromNetQueues[node].resize(m_virtual_networks); 847054Snate@binkert.org for (int j = 0; j < m_virtual_networks; j++) { 857056Snate@binkert.org m_toNetQueues[node][j] = 867056Snate@binkert.org new MessageBuffer(csprintf("toNet node %d j %d", node, j)); 877056Snate@binkert.org m_fromNetQueues[node][j] = 887056Snate@binkert.org new MessageBuffer(csprintf("fromNet node %d j %d", node, j)); 897054Snate@binkert.org } 907054Snate@binkert.org } 916881SBrad.Beckmann@amd.com} 926285Snate@binkert.org 937054Snate@binkert.orgvoid 947054Snate@binkert.orgSimpleNetwork::init() 956881SBrad.Beckmann@amd.com{ 967054Snate@binkert.org Network::init(); 976881SBrad.Beckmann@amd.com 987054Snate@binkert.org // The topology pointer should have already been initialized in 997054Snate@binkert.org // the parent class network constructor. 1007054Snate@binkert.org assert(m_topology_ptr != NULL); 1017054Snate@binkert.org int number_of_switches = m_topology_ptr->numSwitches(); 1027054Snate@binkert.org for (int i = 0; i < number_of_switches; i++) { 1037454Snate@binkert.org m_switch_ptr_vector.push_back(new Switch(i, this)); 1047054Snate@binkert.org } 1056881SBrad.Beckmann@amd.com 1067054Snate@binkert.org // false because this isn't a reconfiguration 1077054Snate@binkert.org m_topology_ptr->createLinks(this, false); 1086285Snate@binkert.org} 1096145Snate@binkert.org 1107054Snate@binkert.orgvoid 1117054Snate@binkert.orgSimpleNetwork::reset() 1126145Snate@binkert.org{ 1137054Snate@binkert.org for (int node = 0; node < m_nodes; node++) { 1147054Snate@binkert.org for (int j = 0; j < m_virtual_networks; j++) { 1157054Snate@binkert.org m_toNetQueues[node][j]->clear(); 1167054Snate@binkert.org m_fromNetQueues[node][j]->clear(); 1177054Snate@binkert.org } 1186145Snate@binkert.org } 1196145Snate@binkert.org 1207054Snate@binkert.org for(int i = 0; i < m_switch_ptr_vector.size(); i++){ 1217054Snate@binkert.org m_switch_ptr_vector[i]->clearBuffers(); 1227054Snate@binkert.org } 1236145Snate@binkert.org} 1246145Snate@binkert.org 1256145Snate@binkert.orgSimpleNetwork::~SimpleNetwork() 1266145Snate@binkert.org{ 1277054Snate@binkert.org for (int i = 0; i < m_nodes; i++) { 1287454Snate@binkert.org deletePointers(m_toNetQueues[i]); 1297454Snate@binkert.org deletePointers(m_fromNetQueues[i]); 1307054Snate@binkert.org } 1317454Snate@binkert.org deletePointers(m_switch_ptr_vector); 1327454Snate@binkert.org deletePointers(m_buffers_to_free); 1337054Snate@binkert.org // delete m_topology_ptr; 1346145Snate@binkert.org} 1356145Snate@binkert.org 1366145Snate@binkert.org// From a switch to an endpoint node 1377054Snate@binkert.orgvoid 1388257SBrad.Beckmann@amd.comSimpleNetwork::makeOutLink(SwitchID src, NodeID dest, BasicLink* link, 1398257SBrad.Beckmann@amd.com LinkDirection direction, 1408257SBrad.Beckmann@amd.com const NetDest& routing_table_entry, 1418257SBrad.Beckmann@amd.com bool isReconfiguration) 1426145Snate@binkert.org{ 1437054Snate@binkert.org assert(dest < m_nodes); 1447054Snate@binkert.org assert(src < m_switch_ptr_vector.size()); 1457054Snate@binkert.org assert(m_switch_ptr_vector[src] != NULL); 1467054Snate@binkert.org 1477054Snate@binkert.org if (isReconfiguration) { 1487054Snate@binkert.org m_switch_ptr_vector[src]->reconfigureOutPort(routing_table_entry); 1497054Snate@binkert.org return; 1507054Snate@binkert.org } 1517054Snate@binkert.org 1528258SBrad.Beckmann@amd.com SimpleExtLink *simple_link = safe_cast<SimpleExtLink*>(link); 1538258SBrad.Beckmann@amd.com 1547054Snate@binkert.org m_switch_ptr_vector[src]->addOutPort(m_fromNetQueues[dest], 1558257SBrad.Beckmann@amd.com routing_table_entry, 1568258SBrad.Beckmann@amd.com simple_link->m_latency, 1578258SBrad.Beckmann@amd.com simple_link->m_bw_multiplier); 1588257SBrad.Beckmann@amd.com 1596145Snate@binkert.org m_endpoint_switches[dest] = m_switch_ptr_vector[src]; 1606145Snate@binkert.org} 1616145Snate@binkert.org 1626145Snate@binkert.org// From an endpoint node to a switch 1637054Snate@binkert.orgvoid 1648257SBrad.Beckmann@amd.comSimpleNetwork::makeInLink(NodeID src, SwitchID dest, BasicLink* link, 1658257SBrad.Beckmann@amd.com LinkDirection direction, 1668257SBrad.Beckmann@amd.com const NetDest& routing_table_entry, 1678257SBrad.Beckmann@amd.com bool isReconfiguration) 1686145Snate@binkert.org{ 1697054Snate@binkert.org assert(src < m_nodes); 1707054Snate@binkert.org if (isReconfiguration) { 1717054Snate@binkert.org // do nothing 1727054Snate@binkert.org return; 1737054Snate@binkert.org } 1747054Snate@binkert.org 1756145Snate@binkert.org m_switch_ptr_vector[dest]->addInPort(m_toNetQueues[src]); 1766145Snate@binkert.org} 1776145Snate@binkert.org 1786145Snate@binkert.org// From a switch to a switch 1797054Snate@binkert.orgvoid 1808257SBrad.Beckmann@amd.comSimpleNetwork::makeInternalLink(SwitchID src, SwitchID dest, BasicLink* link, 1818257SBrad.Beckmann@amd.com LinkDirection direction, 1828257SBrad.Beckmann@amd.com const NetDest& routing_table_entry, 1838257SBrad.Beckmann@amd.com bool isReconfiguration) 1846145Snate@binkert.org{ 1857054Snate@binkert.org if (isReconfiguration) { 1867054Snate@binkert.org m_switch_ptr_vector[src]->reconfigureOutPort(routing_table_entry); 1877054Snate@binkert.org return; 1887054Snate@binkert.org } 1897054Snate@binkert.org 1906145Snate@binkert.org // Create a set of new MessageBuffers 1917454Snate@binkert.org std::vector<MessageBuffer*> queues; 1926145Snate@binkert.org for (int i = 0; i < m_virtual_networks; i++) { 1937054Snate@binkert.org // allocate a buffer 1947054Snate@binkert.org MessageBuffer* buffer_ptr = new MessageBuffer; 1957054Snate@binkert.org buffer_ptr->setOrdering(true); 1967054Snate@binkert.org if (m_buffer_size > 0) { 1977454Snate@binkert.org buffer_ptr->resize(m_buffer_size); 1987054Snate@binkert.org } 1997454Snate@binkert.org queues.push_back(buffer_ptr); 2007054Snate@binkert.org // remember to deallocate it 2017454Snate@binkert.org m_buffers_to_free.push_back(buffer_ptr); 2027054Snate@binkert.org } 2037054Snate@binkert.org // Connect it to the two switches 2048258SBrad.Beckmann@amd.com SimpleIntLink *simple_link = safe_cast<SimpleIntLink*>(link); 2058258SBrad.Beckmann@amd.com 2067054Snate@binkert.org m_switch_ptr_vector[dest]->addInPort(queues); 2077054Snate@binkert.org m_switch_ptr_vector[src]->addOutPort(queues, routing_table_entry, 2088258SBrad.Beckmann@amd.com simple_link->m_latency, 2098258SBrad.Beckmann@amd.com simple_link->m_bw_multiplier); 2107054Snate@binkert.org} 2117054Snate@binkert.org 2127054Snate@binkert.orgvoid 2137054Snate@binkert.orgSimpleNetwork::checkNetworkAllocation(NodeID id, bool ordered, int network_num) 2147054Snate@binkert.org{ 2157832Snate@binkert.org assert(id < m_nodes); 2167832Snate@binkert.org assert(network_num < m_virtual_networks); 2177054Snate@binkert.org 2187054Snate@binkert.org if (ordered) { 2197054Snate@binkert.org m_ordered[network_num] = true; 2207054Snate@binkert.org } 2217054Snate@binkert.org m_in_use[network_num] = true; 2227054Snate@binkert.org} 2237054Snate@binkert.org 2247054Snate@binkert.orgMessageBuffer* 2257054Snate@binkert.orgSimpleNetwork::getToNetQueue(NodeID id, bool ordered, int network_num) 2267054Snate@binkert.org{ 2277054Snate@binkert.org checkNetworkAllocation(id, ordered, network_num); 2287054Snate@binkert.org return m_toNetQueues[id][network_num]; 2297054Snate@binkert.org} 2307054Snate@binkert.org 2317054Snate@binkert.orgMessageBuffer* 2327054Snate@binkert.orgSimpleNetwork::getFromNetQueue(NodeID id, bool ordered, int network_num) 2337054Snate@binkert.org{ 2347054Snate@binkert.org checkNetworkAllocation(id, ordered, network_num); 2357054Snate@binkert.org return m_fromNetQueues[id][network_num]; 2367054Snate@binkert.org} 2377054Snate@binkert.org 2387454Snate@binkert.orgconst std::vector<Throttle*>* 2397054Snate@binkert.orgSimpleNetwork::getThrottles(NodeID id) const 2407054Snate@binkert.org{ 2417054Snate@binkert.org assert(id >= 0); 2427054Snate@binkert.org assert(id < m_nodes); 2437054Snate@binkert.org assert(m_endpoint_switches[id] != NULL); 2447054Snate@binkert.org return m_endpoint_switches[id]->getThrottles(); 2457054Snate@binkert.org} 2467054Snate@binkert.org 2477054Snate@binkert.orgvoid 2487054Snate@binkert.orgSimpleNetwork::printStats(ostream& out) const 2497054Snate@binkert.org{ 2507054Snate@binkert.org out << endl; 2517054Snate@binkert.org out << "Network Stats" << endl; 2527054Snate@binkert.org out << "-------------" << endl; 2537054Snate@binkert.org out << endl; 2547547SBrad.Beckmann@amd.com 2557547SBrad.Beckmann@amd.com // 2567547SBrad.Beckmann@amd.com // Determine total counts before printing out each switch's stats 2577547SBrad.Beckmann@amd.com // 2587547SBrad.Beckmann@amd.com std::vector<uint64> total_msg_counts; 2597547SBrad.Beckmann@amd.com total_msg_counts.resize(MessageSizeType_NUM); 2607547SBrad.Beckmann@amd.com for (MessageSizeType type = MessageSizeType_FIRST; 2617547SBrad.Beckmann@amd.com type < MessageSizeType_NUM; 2627547SBrad.Beckmann@amd.com ++type) { 2637547SBrad.Beckmann@amd.com total_msg_counts[type] = 0; 2647547SBrad.Beckmann@amd.com } 2657547SBrad.Beckmann@amd.com 2667547SBrad.Beckmann@amd.com for (int i = 0; i < m_switch_ptr_vector.size(); i++) { 2677547SBrad.Beckmann@amd.com const std::vector<Throttle*>* throttles = 2687547SBrad.Beckmann@amd.com m_switch_ptr_vector[i]->getThrottles(); 2697547SBrad.Beckmann@amd.com 2707547SBrad.Beckmann@amd.com for (int p = 0; p < throttles->size(); p++) { 2717547SBrad.Beckmann@amd.com 2727547SBrad.Beckmann@amd.com const std::vector<std::vector<int> >& message_counts = 2737547SBrad.Beckmann@amd.com ((*throttles)[p])->getCounters(); 2747547SBrad.Beckmann@amd.com 2757547SBrad.Beckmann@amd.com for (MessageSizeType type = MessageSizeType_FIRST; 2767547SBrad.Beckmann@amd.com type < MessageSizeType_NUM; 2777547SBrad.Beckmann@amd.com ++type) { 2787547SBrad.Beckmann@amd.com 2797547SBrad.Beckmann@amd.com const std::vector<int> &mct = message_counts[type]; 2807547SBrad.Beckmann@amd.com int sum = accumulate(mct.begin(), mct.end(), 0); 2817547SBrad.Beckmann@amd.com total_msg_counts[type] += uint64(sum); 2827547SBrad.Beckmann@amd.com } 2837547SBrad.Beckmann@amd.com } 2847547SBrad.Beckmann@amd.com } 2857547SBrad.Beckmann@amd.com uint64 total_msgs = 0; 2867547SBrad.Beckmann@amd.com uint64 total_bytes = 0; 2877547SBrad.Beckmann@amd.com for (MessageSizeType type = MessageSizeType_FIRST; 2887547SBrad.Beckmann@amd.com type < MessageSizeType_NUM; 2897547SBrad.Beckmann@amd.com ++type) { 2907547SBrad.Beckmann@amd.com 2917547SBrad.Beckmann@amd.com if (total_msg_counts[type] > 0) { 2927547SBrad.Beckmann@amd.com out << "total_msg_count_" << type << ": " << total_msg_counts[type] 2937547SBrad.Beckmann@amd.com << " " << total_msg_counts[type] * 2947547SBrad.Beckmann@amd.com uint64(RubySystem::getNetwork()->MessageSizeType_to_int(type)) 2957547SBrad.Beckmann@amd.com << endl; 2967547SBrad.Beckmann@amd.com 2977547SBrad.Beckmann@amd.com total_msgs += total_msg_counts[type]; 2987547SBrad.Beckmann@amd.com 2997547SBrad.Beckmann@amd.com total_bytes += total_msg_counts[type] * 3007547SBrad.Beckmann@amd.com uint64(RubySystem::getNetwork()->MessageSizeType_to_int(type)); 3017547SBrad.Beckmann@amd.com 3027547SBrad.Beckmann@amd.com } 3037547SBrad.Beckmann@amd.com } 3047547SBrad.Beckmann@amd.com 3057547SBrad.Beckmann@amd.com out << "total_msgs: " << total_msgs 3067547SBrad.Beckmann@amd.com << " total_bytes: " << total_bytes << endl; 3077547SBrad.Beckmann@amd.com 3087547SBrad.Beckmann@amd.com out << endl; 3097054Snate@binkert.org for (int i = 0; i < m_switch_ptr_vector.size(); i++) { 3107054Snate@binkert.org m_switch_ptr_vector[i]->printStats(out); 3117054Snate@binkert.org } 3127054Snate@binkert.org m_topology_ptr->printStats(out); 3137054Snate@binkert.org} 3147054Snate@binkert.org 3157054Snate@binkert.orgvoid 3167054Snate@binkert.orgSimpleNetwork::clearStats() 3177054Snate@binkert.org{ 3187054Snate@binkert.org for (int i = 0; i < m_switch_ptr_vector.size(); i++) { 3197054Snate@binkert.org m_switch_ptr_vector[i]->clearStats(); 3207054Snate@binkert.org } 3217054Snate@binkert.org m_topology_ptr->clearStats(); 3227054Snate@binkert.org} 3237054Snate@binkert.org 3247054Snate@binkert.orgvoid 3257054Snate@binkert.orgSimpleNetwork::printConfig(ostream& out) const 3267054Snate@binkert.org{ 3277054Snate@binkert.org out << endl; 3287054Snate@binkert.org out << "Network Configuration" << endl; 3297054Snate@binkert.org out << "---------------------" << endl; 3307054Snate@binkert.org out << "network: SIMPLE_NETWORK" << endl; 3317054Snate@binkert.org out << "topology: " << m_topology_ptr->getName() << endl; 3327054Snate@binkert.org out << endl; 3337054Snate@binkert.org 3347054Snate@binkert.org for (int i = 0; i < m_virtual_networks; i++) { 3357054Snate@binkert.org out << "virtual_net_" << i << ": "; 3367054Snate@binkert.org if (m_in_use[i]) { 3377054Snate@binkert.org out << "active, "; 3387054Snate@binkert.org if (m_ordered[i]) { 3397054Snate@binkert.org out << "ordered" << endl; 3407054Snate@binkert.org } else { 3417054Snate@binkert.org out << "unordered" << endl; 3427054Snate@binkert.org } 3437054Snate@binkert.org } else { 3447054Snate@binkert.org out << "inactive" << endl; 3457054Snate@binkert.org } 3467054Snate@binkert.org } 3477054Snate@binkert.org out << endl; 3487054Snate@binkert.org 3497054Snate@binkert.org for(int i = 0; i < m_switch_ptr_vector.size(); i++) { 3507054Snate@binkert.org m_switch_ptr_vector[i]->printConfig(out); 3516145Snate@binkert.org } 3526145Snate@binkert.org 3537054Snate@binkert.org m_topology_ptr->printConfig(out); 3546145Snate@binkert.org} 3556145Snate@binkert.org 3567054Snate@binkert.orgvoid 3577054Snate@binkert.orgSimpleNetwork::print(ostream& out) const 3586145Snate@binkert.org{ 3597054Snate@binkert.org out << "[SimpleNetwork]"; 3606145Snate@binkert.org} 3616876Ssteve.reinhardt@amd.com 3626876Ssteve.reinhardt@amd.com 3636876Ssteve.reinhardt@amd.comSimpleNetwork * 3646876Ssteve.reinhardt@amd.comSimpleNetworkParams::create() 3656876Ssteve.reinhardt@amd.com{ 3666876Ssteve.reinhardt@amd.com return new SimpleNetwork(this); 3676876Ssteve.reinhardt@amd.com} 368