Switch.cc (7002:48a19d52d939) Switch.cc (7054:7d6862b80049)
1
2/*
3 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer;

--- 12 unchanged lines hidden (view full) ---

22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
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;

--- 12 unchanged lines hidden (view full) ---

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
30/*
31 * Switch.cc
32 *
33 * Description: See Switch.hh
34 *
35 * $Id$
36 *
37 */
38
39
40#include "mem/ruby/network/simple/Switch.hh"
41#include "mem/ruby/network/simple/PerfectSwitch.hh"
42#include "mem/ruby/buffers/MessageBuffer.hh"
43#include "mem/ruby/network/simple/Throttle.hh"
44#include "mem/protocol/MessageSizeType.hh"
29#include "mem/protocol/MessageSizeType.hh"
45#include "mem/ruby/network/Network.hh"
46#include "mem/protocol/Protocol.hh"
30#include "mem/protocol/Protocol.hh"
31#include "mem/ruby/buffers/MessageBuffer.hh"
32#include "mem/ruby/network/Network.hh"
33#include "mem/ruby/network/simple/PerfectSwitch.hh"
34#include "mem/ruby/network/simple/Switch.hh"
35#include "mem/ruby/network/simple/Throttle.hh"
47
48Switch::Switch(SwitchID sid, SimpleNetwork* network_ptr)
49{
36
37Switch::Switch(SwitchID sid, SimpleNetwork* network_ptr)
38{
50 m_perfect_switch_ptr = new PerfectSwitch(sid, network_ptr);
51 m_switch_id = sid;
52 m_throttles.setSize(0);
39 m_perfect_switch_ptr = new PerfectSwitch(sid, network_ptr);
40 m_switch_id = sid;
41 m_throttles.setSize(0);
53}
54
55Switch::~Switch()
56{
42}
43
44Switch::~Switch()
45{
57 delete m_perfect_switch_ptr;
46 delete m_perfect_switch_ptr;
58
47
59 // Delete throttles (one per output port)
60 m_throttles.deletePointers();
48 // Delete throttles (one per output port)
49 m_throttles.deletePointers();
61
50
62 // Delete MessageBuffers
63 m_buffers_to_free.deletePointers();
51 // Delete MessageBuffers
52 m_buffers_to_free.deletePointers();
64}
65
53}
54
66void Switch::addInPort(const Vector<MessageBuffer*>& in)
55void
56Switch::addInPort(const Vector<MessageBuffer*>& in)
67{
57{
68 m_perfect_switch_ptr->addInPort(in);
58 m_perfect_switch_ptr->addInPort(in);
69}
70
59}
60
71void Switch::addOutPort(const Vector<MessageBuffer*>& out, const NetDest& routing_table_entry, int link_latency, int bw_multiplier)
61void
62Switch::addOutPort(const Vector<MessageBuffer*>& out,
63 const NetDest& routing_table_entry, int link_latency, int bw_multiplier)
72{
64{
73 Throttle* throttle_ptr = NULL;
65 Throttle* throttle_ptr = NULL;
74
66
75 // Create a throttle
76 throttle_ptr = new Throttle(m_switch_id, m_throttles.size(), link_latency, bw_multiplier);
77 m_throttles.insertAtBottom(throttle_ptr);
67 // Create a throttle
68 throttle_ptr = new Throttle(m_switch_id, m_throttles.size(), link_latency,
69 bw_multiplier);
70 m_throttles.insertAtBottom(throttle_ptr);
78
71
79 // Create one buffer per vnet (these are intermediaryQueues)
80 Vector intermediateBuffers;
81 for (int i=0; i<out.size(); i++) {
82 MessageBuffer* buffer_ptr = new MessageBuffer;
83 // Make these queues ordered
84 buffer_ptr->setOrdering(true);
85 Network* net_ptr = RubySystem::getNetwork();
86 if(net_ptr->getBufferSize() > 0) {
87 buffer_ptr->setSize(net_ptr->getBufferSize());
88 }
89 intermediateBuffers.insertAtBottom(buffer_ptr);
90 m_buffers_to_free.insertAtBottom(buffer_ptr);
72 // Create one buffer per vnet (these are intermediaryQueues)
73 Vector<MessageBuffer*> intermediateBuffers;
74 for (int i = 0; i < out.size(); i++) {
75 MessageBuffer* buffer_ptr = new MessageBuffer;
76 // Make these queues ordered
77 buffer_ptr->setOrdering(true);
78 Network* net_ptr = RubySystem::getNetwork();
79 if (net_ptr->getBufferSize() > 0) {
80 buffer_ptr->setSize(net_ptr->getBufferSize());
81 }
82 intermediateBuffers.insertAtBottom(buffer_ptr);
83 m_buffers_to_free.insertAtBottom(buffer_ptr);
91 }
92
84 }
85
93 // Hook the queues to the PerfectSwitch
94 m_perfect_switch_ptr->addOutPort(intermediateBuffers, routing_table_entry);
86 // Hook the queues to the PerfectSwitch
87 m_perfect_switch_ptr->addOutPort(intermediateBuffers, routing_table_entry);
95
88
96 // Hook the queues to the Throttle
97 throttle_ptr->addLinks(intermediateBuffers, out);
98
89 // Hook the queues to the Throttle
90 throttle_ptr->addLinks(intermediateBuffers, out);
99}
100
91}
92
101void Switch::clearRoutingTables()
93void
94Switch::clearRoutingTables()
102{
95{
103 m_perfect_switch_ptr->clearRoutingTables();
96 m_perfect_switch_ptr->clearRoutingTables();
104}
105
97}
98
106void Switch::clearBuffers()
99void
100Switch::clearBuffers()
107{
101{
108 m_perfect_switch_ptr->clearBuffers();
109 for (int i=0; i<m_throttles.size(); i++) {
110 if (m_throttles[i] != NULL) {
111 m_throttles[i]->clear();
102 m_perfect_switch_ptr->clearBuffers();
103 for (int i = 0; i < m_throttles.size(); i++) {
104 if (m_throttles[i] != NULL) {
105 m_throttles[i]->clear();
106 }
112 }
107 }
113 }
114}
115
108}
109
116void Switch::reconfigureOutPort(const NetDest& routing_table_entry)
110void
111Switch::reconfigureOutPort(const NetDest& routing_table_entry)
117{
112{
118 m_perfect_switch_ptr->reconfigureOutPort(routing_table_entry);
113 m_perfect_switch_ptr->reconfigureOutPort(routing_table_entry);
119}
120
114}
115
121const Throttle* Switch::getThrottle(LinkID link_number) const
116const Throttle*
117Switch::getThrottle(LinkID link_number) const
122{
118{
123 assert(m_throttles[link_number] != NULL);
124 return m_throttles[link_number];
119 assert(m_throttles[link_number] != NULL);
120 return m_throttles[link_number];
125}
126
121}
122
127const Vector<Throttle*>* Switch::getThrottles() const
123const Vector*
124Switch::getThrottles() const
128{
125{
129 return &m_throttles;
126 return &m_throttles;
130}
131
127}
128
132void Switch::printStats(std::ostream& out) const
129void
130Switch::printStats(std::ostream& out) const
133{
131{
134 using namespace std;
132 using namespace std;
135
133
136 out << "switch_" << m_switch_id << "_inlinks: " << m_perfect_switch_ptr->getInLinks() << endl;
137 out << "switch_" << m_switch_id << "_outlinks: " << m_perfect_switch_ptr->getOutLinks() << endl;
134 ccprintf(out, "switch_%d_inlinks: %d\n", m_switch_id,
135 m_perfect_switch_ptr->getInLinks());
136 ccprintf(out, "switch_%d_outlinks: %d\n", m_switch_id,
137 m_perfect_switch_ptr->getOutLinks());
138
138
139 // Average link utilizations
140 double average_utilization = 0.0;
141 int throttle_count = 0;
139 // Average link utilizations
140 double average_utilization = 0.0;
141 int throttle_count = 0;
142
142
143 for (int i=0; i<m_throttles.size(); i++) {
144 Throttle* throttle_ptr = m_throttles[i];
145 if (throttle_ptr != NULL) {
146 average_utilization += throttle_ptr->getUtilization();
147 throttle_count++;
143 for (int i = 0; i < m_throttles.size(); i++) {
144 Throttle* throttle_ptr = m_throttles[i];
145 if (throttle_ptr) {
146 average_utilization += throttle_ptr->getUtilization();
147 throttle_count++;
148 }
148 }
149 }
149 }
150 average_utilization = (throttle_count == 0) ? 0 : average_utilization / float(throttle_count);
150 average_utilization =
151 throttle_count == 0 ? 0 : average_utilization / throttle_count;
151
152
152 // Individual link utilizations
153 out << "links_utilized_percent_switch_" << m_switch_id << ": " << average_utilization << endl;
154 for (int link=0; link<m_throttles.size(); link++) {
155 Throttle* throttle_ptr = m_throttles[link];
156 if (throttle_ptr != NULL) {
157 out << " links_utilized_percent_switch_" << m_switch_id << "_link_" << link << ": "
158 << throttle_ptr->getUtilization() << " bw: " << throttle_ptr->getLinkBandwidth()
159 << " base_latency: " << throttle_ptr->getLatency() << endl;
153 // Individual link utilizations
154 out << "links_utilized_percent_switch_" << m_switch_id << ": "
155 << average_utilization << endl;
156
157 for (int link = 0; link < m_throttles.size(); link++) {
158 Throttle* throttle_ptr = m_throttles[link];
159 if (throttle_ptr != NULL) {
160 out << " links_utilized_percent_switch_" << m_switch_id
161 << "_link_" << link << ": "
162 << throttle_ptr->getUtilization() << " bw: "
163 << throttle_ptr->getLinkBandwidth()
164 << " base_latency: " << throttle_ptr->getLatency() << endl;
165 }
160 }
166 }
161 }
162 out << endl;
167 out << endl;
163
168
164 // Traffic breakdown
165 for (int link=0; link<m_throttles.size(); link++) {
166 Throttle* throttle_ptr = m_throttles[link];
167 if (throttle_ptr != NULL) {
168 const Vector<Vector<int> >& message_counts = throttle_ptr->getCounters();
169 for (int int_type=0; int_type<MessageSizeType_NUM; int_type++) {
170 MessageSizeType type = MessageSizeType(int_type);
171 int sum = message_counts[type].sum();
172 if (sum != 0) {
173 out << " outgoing_messages_switch_" << m_switch_id << "_link_" << link << "_" << type
174 << ": " << sum << " " << sum * (RubySystem::getNetwork()->MessageSizeType_to_int(type))
175 << " " << message_counts[type] << " base_latency: " << throttle_ptr->getLatency() << endl;
169 // Traffic breakdown
170 for (int link = 0; link < m_throttles.size(); link++) {
171 Throttle* throttle_ptr = m_throttles[link];
172 if (!throttle_ptr)
173 continue;
174
175 const Vector<Vector<int> >& message_counts =
176 throttle_ptr->getCounters();
177 for (int int_type = 0; int_type < MessageSizeType_NUM; int_type++) {
178 MessageSizeType type = MessageSizeType(int_type);
179 int sum = message_counts[type].sum();
180 if (sum == 0)
181 continue;
182
183 out << " outgoing_messages_switch_" << m_switch_id
184 << "_link_" << link << "_" << type << ": " << sum << " "
185 << sum * RubySystem::getNetwork()->MessageSizeType_to_int(type)
186 << " " << message_counts[type] << " base_latency: "
187 << throttle_ptr->getLatency() << endl;
176 }
188 }
177 }
178 }
189 }
179 }
180 out << endl;
190 out << endl;
181}
182
191}
192
183void Switch::clearStats()
193void
194Switch::clearStats()
184{
195{
185 m_perfect_switch_ptr->clearStats();
186 for (int i=0; i<m_throttles.size(); i++) {
187 if (m_throttles[i] != NULL) {
188 m_throttles[i]->clearStats();
196 m_perfect_switch_ptr->clearStats();
197 for (int i = 0; i < m_throttles.size(); i++) {
198 if (m_throttles[i] != NULL)
199 m_throttles[i]->clearStats();
189 }
200 }
190 }
191}
192
201}
202
193void Switch::printConfig(std::ostream& out) const
203void
204Switch::printConfig(std::ostream& out) const
194{
205{
195 m_perfect_switch_ptr->printConfig(out);
196 for (int i=0; i<m_throttles.size(); i++) {
197 if (m_throttles[i] != NULL) {
198 m_throttles[i]->printConfig(out);
206 m_perfect_switch_ptr->printConfig(out);
207 for (int i = 0; i < m_throttles.size(); i++) {
208 if (m_throttles[i] != NULL)
209 m_throttles[i]->printConfig(out);
199 }
210 }
200 }
201}
202
211}
212
203void Switch::print(std::ostream& out) const
213void
214Switch::print(std::ostream& out) const
204{
215{
205 // FIXME printing
206 out << "[Switch]";
216 // FIXME printing
217 out << "[Switch]";
207}
208
218}
219