Switch.cc (9117:49116b947194) Switch.cc (9230:33eb3c8a98b9)
1/*
2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <numeric>
30
31#include "base/cast.hh"
32#include "base/stl_helpers.hh"
33#include "mem/protocol/MessageSizeType.hh"
34#include "mem/ruby/buffers/MessageBuffer.hh"
35#include "mem/ruby/network/simple/PerfectSwitch.hh"
36#include "mem/ruby/network/simple/SimpleNetwork.hh"
37#include "mem/ruby/network/simple/Switch.hh"
38#include "mem/ruby/network/simple/Throttle.hh"
39
40using namespace std;
41using m5::stl_helpers::deletePointers;
42using m5::stl_helpers::operator<<;
43
44Switch::Switch(SwitchID sid, SimpleNetwork* network_ptr)
45{
46 m_perfect_switch_ptr = new PerfectSwitch(sid, network_ptr);
47 m_switch_id = sid;
48}
49
50Switch::~Switch()
51{
52 delete m_perfect_switch_ptr;
53
54 // Delete throttles (one per output port)
55 deletePointers(m_throttles);
56
57 // Delete MessageBuffers
58 deletePointers(m_buffers_to_free);
59}
60
61void
62Switch::addInPort(const vector<MessageBuffer*>& in)
63{
64 m_perfect_switch_ptr->addInPort(in);
65}
66
67void
68Switch::addOutPort(const vector<MessageBuffer*>& out,
69 const NetDest& routing_table_entry, int link_latency, int bw_multiplier)
70{
71 Throttle* throttle_ptr = NULL;
72 SimpleNetwork* net_ptr =
73 safe_cast<SimpleNetwork*>(RubySystem::getNetwork());
74
75 // Create a throttle
76 throttle_ptr = new Throttle(m_switch_id, m_throttles.size(), link_latency,
1/*
2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <numeric>
30
31#include "base/cast.hh"
32#include "base/stl_helpers.hh"
33#include "mem/protocol/MessageSizeType.hh"
34#include "mem/ruby/buffers/MessageBuffer.hh"
35#include "mem/ruby/network/simple/PerfectSwitch.hh"
36#include "mem/ruby/network/simple/SimpleNetwork.hh"
37#include "mem/ruby/network/simple/Switch.hh"
38#include "mem/ruby/network/simple/Throttle.hh"
39
40using namespace std;
41using m5::stl_helpers::deletePointers;
42using m5::stl_helpers::operator<<;
43
44Switch::Switch(SwitchID sid, SimpleNetwork* network_ptr)
45{
46 m_perfect_switch_ptr = new PerfectSwitch(sid, network_ptr);
47 m_switch_id = sid;
48}
49
50Switch::~Switch()
51{
52 delete m_perfect_switch_ptr;
53
54 // Delete throttles (one per output port)
55 deletePointers(m_throttles);
56
57 // Delete MessageBuffers
58 deletePointers(m_buffers_to_free);
59}
60
61void
62Switch::addInPort(const vector<MessageBuffer*>& in)
63{
64 m_perfect_switch_ptr->addInPort(in);
65}
66
67void
68Switch::addOutPort(const vector<MessageBuffer*>& out,
69 const NetDest& routing_table_entry, int link_latency, int bw_multiplier)
70{
71 Throttle* throttle_ptr = NULL;
72 SimpleNetwork* net_ptr =
73 safe_cast<SimpleNetwork*>(RubySystem::getNetwork());
74
75 // Create a throttle
76 throttle_ptr = new Throttle(m_switch_id, m_throttles.size(), link_latency,
77 bw_multiplier, net_ptr->getEndpointBandwidth());
77 bw_multiplier, net_ptr->getEndpointBandwidth(),
78 net_ptr);
78 m_throttles.push_back(throttle_ptr);
79
80 // Create one buffer per vnet (these are intermediaryQueues)
81 vector<MessageBuffer*> intermediateBuffers;
82 for (int i = 0; i < out.size(); i++) {
83 MessageBuffer* buffer_ptr = new MessageBuffer;
84 // Make these queues ordered
85 buffer_ptr->setOrdering(true);
86 if (net_ptr->getBufferSize() > 0) {
87 buffer_ptr->resize(net_ptr->getBufferSize());
88 }
89 intermediateBuffers.push_back(buffer_ptr);
90 m_buffers_to_free.push_back(buffer_ptr);
91 }
92
93 // Hook the queues to the PerfectSwitch
94 m_perfect_switch_ptr->addOutPort(intermediateBuffers, routing_table_entry);
95
96 // Hook the queues to the Throttle
97 throttle_ptr->addLinks(intermediateBuffers, out);
98}
99
100void
101Switch::clearRoutingTables()
102{
103 m_perfect_switch_ptr->clearRoutingTables();
104}
105
106void
107Switch::clearBuffers()
108{
109 m_perfect_switch_ptr->clearBuffers();
110 for (int i = 0; i < m_throttles.size(); i++) {
111 if (m_throttles[i] != NULL) {
112 m_throttles[i]->clear();
113 }
114 }
115}
116
117void
118Switch::reconfigureOutPort(const NetDest& routing_table_entry)
119{
120 m_perfect_switch_ptr->reconfigureOutPort(routing_table_entry);
121}
122
123const Throttle*
124Switch::getThrottle(LinkID link_number) const
125{
126 assert(m_throttles[link_number] != NULL);
127 return m_throttles[link_number];
128}
129
130const vector<Throttle*>*
131Switch::getThrottles() const
132{
133 return &m_throttles;
134}
135
136void
137Switch::printStats(std::ostream& out) const
138{
139 ccprintf(out, "switch_%d_inlinks: %d\n", m_switch_id,
140 m_perfect_switch_ptr->getInLinks());
141 ccprintf(out, "switch_%d_outlinks: %d\n", m_switch_id,
142 m_perfect_switch_ptr->getOutLinks());
143
144 // Average link utilizations
145 double average_utilization = 0.0;
146 int throttle_count = 0;
147
148 for (int i = 0; i < m_throttles.size(); i++) {
149 Throttle* throttle_ptr = m_throttles[i];
150 if (throttle_ptr) {
151 average_utilization += throttle_ptr->getUtilization();
152 throttle_count++;
153 }
154 }
155 average_utilization =
156 throttle_count == 0 ? 0 : average_utilization / throttle_count;
157
158 // Individual link utilizations
159 out << "links_utilized_percent_switch_" << m_switch_id << ": "
160 << average_utilization << endl;
161
162 for (int link = 0; link < m_throttles.size(); link++) {
163 Throttle* throttle_ptr = m_throttles[link];
164 if (throttle_ptr != NULL) {
165 out << " links_utilized_percent_switch_" << m_switch_id
166 << "_link_" << link << ": "
167 << throttle_ptr->getUtilization() << " bw: "
168 << throttle_ptr->getLinkBandwidth()
169 << " base_latency: " << throttle_ptr->getLatency() << endl;
170 }
171 }
172 out << endl;
173
174 // Traffic breakdown
175 for (int link = 0; link < m_throttles.size(); link++) {
176 Throttle* throttle_ptr = m_throttles[link];
177 if (!throttle_ptr)
178 continue;
179
180 const vector<vector<int> >& message_counts =
181 throttle_ptr->getCounters();
182 for (int int_type = 0; int_type < MessageSizeType_NUM; int_type++) {
183 MessageSizeType type = MessageSizeType(int_type);
184 const vector<int> &mct = message_counts[type];
185 int sum = accumulate(mct.begin(), mct.end(), 0);
186 if (sum == 0)
187 continue;
188
189 out << " outgoing_messages_switch_" << m_switch_id
190 << "_link_" << link << "_" << type << ": " << sum << " "
191 << sum * RubySystem::getNetwork()->MessageSizeType_to_int(type)
192 << " ";
193 out << mct;
194 out << " base_latency: "
195 << throttle_ptr->getLatency() << endl;
196 }
197 }
198 out << endl;
199}
200
201void
202Switch::clearStats()
203{
204 m_perfect_switch_ptr->clearStats();
205 for (int i = 0; i < m_throttles.size(); i++) {
206 if (m_throttles[i] != NULL)
207 m_throttles[i]->clearStats();
208 }
209}
210
211void
212Switch::print(std::ostream& out) const
213{
214 // FIXME printing
215 out << "[Switch]";
216}
79 m_throttles.push_back(throttle_ptr);
80
81 // Create one buffer per vnet (these are intermediaryQueues)
82 vector<MessageBuffer*> intermediateBuffers;
83 for (int i = 0; i < out.size(); i++) {
84 MessageBuffer* buffer_ptr = new MessageBuffer;
85 // Make these queues ordered
86 buffer_ptr->setOrdering(true);
87 if (net_ptr->getBufferSize() > 0) {
88 buffer_ptr->resize(net_ptr->getBufferSize());
89 }
90 intermediateBuffers.push_back(buffer_ptr);
91 m_buffers_to_free.push_back(buffer_ptr);
92 }
93
94 // Hook the queues to the PerfectSwitch
95 m_perfect_switch_ptr->addOutPort(intermediateBuffers, routing_table_entry);
96
97 // Hook the queues to the Throttle
98 throttle_ptr->addLinks(intermediateBuffers, out);
99}
100
101void
102Switch::clearRoutingTables()
103{
104 m_perfect_switch_ptr->clearRoutingTables();
105}
106
107void
108Switch::clearBuffers()
109{
110 m_perfect_switch_ptr->clearBuffers();
111 for (int i = 0; i < m_throttles.size(); i++) {
112 if (m_throttles[i] != NULL) {
113 m_throttles[i]->clear();
114 }
115 }
116}
117
118void
119Switch::reconfigureOutPort(const NetDest& routing_table_entry)
120{
121 m_perfect_switch_ptr->reconfigureOutPort(routing_table_entry);
122}
123
124const Throttle*
125Switch::getThrottle(LinkID link_number) const
126{
127 assert(m_throttles[link_number] != NULL);
128 return m_throttles[link_number];
129}
130
131const vector<Throttle*>*
132Switch::getThrottles() const
133{
134 return &m_throttles;
135}
136
137void
138Switch::printStats(std::ostream& out) const
139{
140 ccprintf(out, "switch_%d_inlinks: %d\n", m_switch_id,
141 m_perfect_switch_ptr->getInLinks());
142 ccprintf(out, "switch_%d_outlinks: %d\n", m_switch_id,
143 m_perfect_switch_ptr->getOutLinks());
144
145 // Average link utilizations
146 double average_utilization = 0.0;
147 int throttle_count = 0;
148
149 for (int i = 0; i < m_throttles.size(); i++) {
150 Throttle* throttle_ptr = m_throttles[i];
151 if (throttle_ptr) {
152 average_utilization += throttle_ptr->getUtilization();
153 throttle_count++;
154 }
155 }
156 average_utilization =
157 throttle_count == 0 ? 0 : average_utilization / throttle_count;
158
159 // Individual link utilizations
160 out << "links_utilized_percent_switch_" << m_switch_id << ": "
161 << average_utilization << endl;
162
163 for (int link = 0; link < m_throttles.size(); link++) {
164 Throttle* throttle_ptr = m_throttles[link];
165 if (throttle_ptr != NULL) {
166 out << " links_utilized_percent_switch_" << m_switch_id
167 << "_link_" << link << ": "
168 << throttle_ptr->getUtilization() << " bw: "
169 << throttle_ptr->getLinkBandwidth()
170 << " base_latency: " << throttle_ptr->getLatency() << endl;
171 }
172 }
173 out << endl;
174
175 // Traffic breakdown
176 for (int link = 0; link < m_throttles.size(); link++) {
177 Throttle* throttle_ptr = m_throttles[link];
178 if (!throttle_ptr)
179 continue;
180
181 const vector<vector<int> >& message_counts =
182 throttle_ptr->getCounters();
183 for (int int_type = 0; int_type < MessageSizeType_NUM; int_type++) {
184 MessageSizeType type = MessageSizeType(int_type);
185 const vector<int> &mct = message_counts[type];
186 int sum = accumulate(mct.begin(), mct.end(), 0);
187 if (sum == 0)
188 continue;
189
190 out << " outgoing_messages_switch_" << m_switch_id
191 << "_link_" << link << "_" << type << ": " << sum << " "
192 << sum * RubySystem::getNetwork()->MessageSizeType_to_int(type)
193 << " ";
194 out << mct;
195 out << " base_latency: "
196 << throttle_ptr->getLatency() << endl;
197 }
198 }
199 out << endl;
200}
201
202void
203Switch::clearStats()
204{
205 m_perfect_switch_ptr->clearStats();
206 for (int i = 0; i < m_throttles.size(); i++) {
207 if (m_throttles[i] != NULL)
208 m_throttles[i]->clearStats();
209 }
210}
211
212void
213Switch::print(std::ostream& out) const
214{
215 // FIXME printing
216 out << "[Switch]";
217}
217