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(const Params *p) : BasicRouter(p)
45{
46 m_perfect_switch_ptr = new PerfectSwitch(m_id, this, p->virt_nets);
47}
48
49Switch::~Switch()
50{
51 delete m_perfect_switch_ptr;
52
53 // Delete throttles (one per output port)
54 deletePointers(m_throttles);
55
56 // Delete MessageBuffers
57 deletePointers(m_buffers_to_free);
58}
59
60void
61Switch::init()
62{
63 BasicRouter::init();
64 m_perfect_switch_ptr->init(m_network_ptr);
65}
66
67void
68Switch::addInPort(const vector<MessageBuffer*>& in)
69{
70 m_perfect_switch_ptr->addInPort(in);
71}
72
73void
74Switch::addOutPort(const vector<MessageBuffer*>& out,
75 const NetDest& routing_table_entry, int link_latency, int bw_multiplier)
76{
77 // Create a throttle
78 Throttle* throttle_ptr = new Throttle(m_id, m_throttles.size(),
79 link_latency, bw_multiplier, m_network_ptr->getEndpointBandwidth(),
80 this);
81 m_throttles.push_back(throttle_ptr);
82
83 // Create one buffer per vnet (these are intermediaryQueues)
84 vector<MessageBuffer*> intermediateBuffers;
85 for (int i = 0; i < out.size(); i++) {
86 MessageBuffer* buffer_ptr = new MessageBuffer;
87 // Make these queues ordered
88 buffer_ptr->setOrdering(true);
89 if (m_network_ptr->getBufferSize() > 0) {
90 buffer_ptr->resize(m_network_ptr->getBufferSize());
91 }
92 intermediateBuffers.push_back(buffer_ptr);
93 m_buffers_to_free.push_back(buffer_ptr);
94 }
95
96 // Hook the queues to the PerfectSwitch
97 m_perfect_switch_ptr->addOutPort(intermediateBuffers, routing_table_entry);
98
99 // Hook the queues to the Throttle
100 throttle_ptr->addLinks(intermediateBuffers, out);
101}
102
103void
104Switch::clearRoutingTables()
105{
106 m_perfect_switch_ptr->clearRoutingTables();
107}
108
109void
110Switch::clearBuffers()
111{
112 m_perfect_switch_ptr->clearBuffers();
113 for (int i = 0; i < m_throttles.size(); i++) {
114 if (m_throttles[i] != NULL) {
115 m_throttles[i]->clear();
116 }
117 }
118}
119
120void
121Switch::reconfigureOutPort(const NetDest& routing_table_entry)
122{
123 m_perfect_switch_ptr->reconfigureOutPort(routing_table_entry);
124}
125
126const Throttle*
127Switch::getThrottle(LinkID link_number) const
128{
129 assert(m_throttles[link_number] != NULL);
130 return m_throttles[link_number];
131}
132
133const vector<Throttle*>*
134Switch::getThrottles() const
135{
136 return &m_throttles;
137}
138
139void
140Switch::printStats(std::ostream& out) const
141{
142 ccprintf(out, "switch_%d_inlinks: %d\n", m_id,
143 m_perfect_switch_ptr->getInLinks());
144 ccprintf(out, "switch_%d_outlinks: %d\n", m_id,
145 m_perfect_switch_ptr->getOutLinks());
146
147 // Average link utilizations
148 double average_utilization = 0.0;
149 int throttle_count = 0;
150
151 for (int i = 0; i < m_throttles.size(); i++) {
152 Throttle* throttle_ptr = m_throttles[i];
153 if (throttle_ptr) {
154 average_utilization += throttle_ptr->getUtilization();
155 throttle_count++;
156 }
157 }
158 average_utilization =
159 throttle_count == 0 ? 0 : average_utilization / throttle_count;
160
161 // Individual link utilizations
162 out << "links_utilized_percent_switch_" << m_id << ": "
163 << average_utilization << endl;
164
165 for (int link = 0; link < m_throttles.size(); link++) {
166 Throttle* throttle_ptr = m_throttles[link];
167 if (throttle_ptr != NULL) {
168 out << " links_utilized_percent_switch_" << m_id
169 << "_link_" << link << ": "
170 << throttle_ptr->getUtilization() << " bw: "
171 << throttle_ptr->getLinkBandwidth()
172 << " base_latency: " << throttle_ptr->getLatency() << endl;
173 }
174 }
175 out << endl;
176
177 // Traffic breakdown
178 for (int link = 0; link < m_throttles.size(); link++) {
179 Throttle* throttle_ptr = m_throttles[link];
180 if (!throttle_ptr)
181 continue;
182
183 const vector<vector<int> >& message_counts =
184 throttle_ptr->getCounters();
185 for (int int_type = 0; int_type < MessageSizeType_NUM; int_type++) {
186 MessageSizeType type = MessageSizeType(int_type);
187 const vector<int> &mct = message_counts[type];
188 int sum = accumulate(mct.begin(), mct.end(), 0);
189 if (sum == 0)
190 continue;
191
192 out << " outgoing_messages_switch_" << m_id
193 << "_link_" << link << "_" << type << ": " << sum << " "
194 << sum * m_network_ptr->MessageSizeType_to_int(type)
195 << " ";
196 out << mct;
197 out << " base_latency: "
198 << throttle_ptr->getLatency() << endl;
199 }
200 }
201 out << endl;
202}
203
204void
205Switch::clearStats()
206{
207 m_perfect_switch_ptr->clearStats();
208 for (int i = 0; i < m_throttles.size(); i++) {
209 if (m_throttles[i] != NULL)
210 m_throttles[i]->clearStats();
211 }
212}
213
214void
215Switch::print(std::ostream& out) const
216{
217 // FIXME printing
218 out << "[Switch]";
219}
| 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(const Params *p) : BasicRouter(p)
45{
46 m_perfect_switch_ptr = new PerfectSwitch(m_id, this, p->virt_nets);
47}
48
49Switch::~Switch()
50{
51 delete m_perfect_switch_ptr;
52
53 // Delete throttles (one per output port)
54 deletePointers(m_throttles);
55
56 // Delete MessageBuffers
57 deletePointers(m_buffers_to_free);
58}
59
60void
61Switch::init()
62{
63 BasicRouter::init();
64 m_perfect_switch_ptr->init(m_network_ptr);
65}
66
67void
68Switch::addInPort(const vector<MessageBuffer*>& in)
69{
70 m_perfect_switch_ptr->addInPort(in);
71}
72
73void
74Switch::addOutPort(const vector<MessageBuffer*>& out,
75 const NetDest& routing_table_entry, int link_latency, int bw_multiplier)
76{
77 // Create a throttle
78 Throttle* throttle_ptr = new Throttle(m_id, m_throttles.size(),
79 link_latency, bw_multiplier, m_network_ptr->getEndpointBandwidth(),
80 this);
81 m_throttles.push_back(throttle_ptr);
82
83 // Create one buffer per vnet (these are intermediaryQueues)
84 vector<MessageBuffer*> intermediateBuffers;
85 for (int i = 0; i < out.size(); i++) {
86 MessageBuffer* buffer_ptr = new MessageBuffer;
87 // Make these queues ordered
88 buffer_ptr->setOrdering(true);
89 if (m_network_ptr->getBufferSize() > 0) {
90 buffer_ptr->resize(m_network_ptr->getBufferSize());
91 }
92 intermediateBuffers.push_back(buffer_ptr);
93 m_buffers_to_free.push_back(buffer_ptr);
94 }
95
96 // Hook the queues to the PerfectSwitch
97 m_perfect_switch_ptr->addOutPort(intermediateBuffers, routing_table_entry);
98
99 // Hook the queues to the Throttle
100 throttle_ptr->addLinks(intermediateBuffers, out);
101}
102
103void
104Switch::clearRoutingTables()
105{
106 m_perfect_switch_ptr->clearRoutingTables();
107}
108
109void
110Switch::clearBuffers()
111{
112 m_perfect_switch_ptr->clearBuffers();
113 for (int i = 0; i < m_throttles.size(); i++) {
114 if (m_throttles[i] != NULL) {
115 m_throttles[i]->clear();
116 }
117 }
118}
119
120void
121Switch::reconfigureOutPort(const NetDest& routing_table_entry)
122{
123 m_perfect_switch_ptr->reconfigureOutPort(routing_table_entry);
124}
125
126const Throttle*
127Switch::getThrottle(LinkID link_number) const
128{
129 assert(m_throttles[link_number] != NULL);
130 return m_throttles[link_number];
131}
132
133const vector<Throttle*>*
134Switch::getThrottles() const
135{
136 return &m_throttles;
137}
138
139void
140Switch::printStats(std::ostream& out) const
141{
142 ccprintf(out, "switch_%d_inlinks: %d\n", m_id,
143 m_perfect_switch_ptr->getInLinks());
144 ccprintf(out, "switch_%d_outlinks: %d\n", m_id,
145 m_perfect_switch_ptr->getOutLinks());
146
147 // Average link utilizations
148 double average_utilization = 0.0;
149 int throttle_count = 0;
150
151 for (int i = 0; i < m_throttles.size(); i++) {
152 Throttle* throttle_ptr = m_throttles[i];
153 if (throttle_ptr) {
154 average_utilization += throttle_ptr->getUtilization();
155 throttle_count++;
156 }
157 }
158 average_utilization =
159 throttle_count == 0 ? 0 : average_utilization / throttle_count;
160
161 // Individual link utilizations
162 out << "links_utilized_percent_switch_" << m_id << ": "
163 << average_utilization << endl;
164
165 for (int link = 0; link < m_throttles.size(); link++) {
166 Throttle* throttle_ptr = m_throttles[link];
167 if (throttle_ptr != NULL) {
168 out << " links_utilized_percent_switch_" << m_id
169 << "_link_" << link << ": "
170 << throttle_ptr->getUtilization() << " bw: "
171 << throttle_ptr->getLinkBandwidth()
172 << " base_latency: " << throttle_ptr->getLatency() << endl;
173 }
174 }
175 out << endl;
176
177 // Traffic breakdown
178 for (int link = 0; link < m_throttles.size(); link++) {
179 Throttle* throttle_ptr = m_throttles[link];
180 if (!throttle_ptr)
181 continue;
182
183 const vector<vector<int> >& message_counts =
184 throttle_ptr->getCounters();
185 for (int int_type = 0; int_type < MessageSizeType_NUM; int_type++) {
186 MessageSizeType type = MessageSizeType(int_type);
187 const vector<int> &mct = message_counts[type];
188 int sum = accumulate(mct.begin(), mct.end(), 0);
189 if (sum == 0)
190 continue;
191
192 out << " outgoing_messages_switch_" << m_id
193 << "_link_" << link << "_" << type << ": " << sum << " "
194 << sum * m_network_ptr->MessageSizeType_to_int(type)
195 << " ";
196 out << mct;
197 out << " base_latency: "
198 << throttle_ptr->getLatency() << endl;
199 }
200 }
201 out << endl;
202}
203
204void
205Switch::clearStats()
206{
207 m_perfect_switch_ptr->clearStats();
208 for (int i = 0; i < m_throttles.size(); i++) {
209 if (m_throttles[i] != NULL)
210 m_throttles[i]->clearStats();
211 }
212}
213
214void
215Switch::print(std::ostream& out) const
216{
217 // FIXME printing
218 out << "[Switch]";
219}
|