inst_queue_impl.hh (4284:c8800319ed0c) inst_queue_impl.hh (4318:eb4241362a80)
1/*
2 * Copyright (c) 2004-2006 The Regents of The University of Michigan
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;

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76
77 switchedOut = false;
78
79 numThreads = params->numberOfThreads;
80
81 // Set the number of physical registers as the number of int + float
82 numPhysRegs = numPhysIntRegs + numPhysFloatRegs;
83
1/*
2 * Copyright (c) 2004-2006 The Regents of The University of Michigan
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;

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

76
77 switchedOut = false;
78
79 numThreads = params->numberOfThreads;
80
81 // Set the number of physical registers as the number of int + float
82 numPhysRegs = numPhysIntRegs + numPhysFloatRegs;
83
84 DPRINTF(IQ, "There are %i physical registers.\n", numPhysRegs);
85
86 //Create an entry for each physical register within the
87 //dependency graph.
88 dependGraph.resize(numPhysRegs);
89
90 // Resize the register scoreboard.
91 regScoreboard.resize(numPhysRegs);
92
93 //Initialize Mem Dependence Units

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119 //@todo:make work if part_amt doesnt divide evenly.
120 int part_amt = numEntries / numThreads;
121
122 //Divide ROB up evenly
123 for (int i = 0; i < numThreads; i++) {
124 maxEntries[i] = part_amt;
125 }
126
84 //Create an entry for each physical register within the
85 //dependency graph.
86 dependGraph.resize(numPhysRegs);
87
88 // Resize the register scoreboard.
89 regScoreboard.resize(numPhysRegs);
90
91 //Initialize Mem Dependence Units

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117 //@todo:make work if part_amt doesnt divide evenly.
118 int part_amt = numEntries / numThreads;
119
120 //Divide ROB up evenly
121 for (int i = 0; i < numThreads; i++) {
122 maxEntries[i] = part_amt;
123 }
124
125/*
127 DPRINTF(IQ, "IQ sharing policy set to Partitioned:"
128 "%i entries per thread.\n",part_amt);
126 DPRINTF(IQ, "IQ sharing policy set to Partitioned:"
127 "%i entries per thread.\n",part_amt);
128*/
129
130 } else if (policy == "threshold") {
131 iqPolicy = Threshold;
132
133 double threshold = (double)params->smtIQThreshold / 100;
134
135 int thresholdIQ = (int)((double)threshold * numEntries);
136
137 //Divide up by threshold amount
138 for (int i = 0; i < numThreads; i++) {
139 maxEntries[i] = thresholdIQ;
140 }
141
129
130 } else if (policy == "threshold") {
131 iqPolicy = Threshold;
132
133 double threshold = (double)params->smtIQThreshold / 100;
134
135 int thresholdIQ = (int)((double)threshold * numEntries);
136
137 //Divide up by threshold amount
138 for (int i = 0; i < numThreads; i++) {
139 maxEntries[i] = thresholdIQ;
140 }
141
142/*
142 DPRINTF(IQ, "IQ sharing policy set to Threshold:"
143 "%i entries per thread.\n",thresholdIQ);
143 DPRINTF(IQ, "IQ sharing policy set to Threshold:"
144 "%i entries per thread.\n",thresholdIQ);
145*/
144 } else {
145 assert(0 && "Invalid IQ Sharing Policy.Options Are:{Dynamic,"
146 "Partitioned, Threshold}");
147 }
148}
149
150template <class Impl>
151InstructionQueue<Impl>::~InstructionQueue()

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355 nonSpecInsts.clear();
356 listOrder.clear();
357}
358
359template <class Impl>
360void
361InstructionQueue<Impl>::setActiveThreads(std::list<unsigned> *at_ptr)
362{
146 } else {
147 assert(0 && "Invalid IQ Sharing Policy.Options Are:{Dynamic,"
148 "Partitioned, Threshold}");
149 }
150}
151
152template <class Impl>
153InstructionQueue<Impl>::~InstructionQueue()

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357 nonSpecInsts.clear();
358 listOrder.clear();
359}
360
361template <class Impl>
362void
363InstructionQueue<Impl>::setActiveThreads(std::list<unsigned> *at_ptr)
364{
363 DPRINTF(IQ, "Setting active threads list pointer.\n");
364 activeThreads = at_ptr;
365}
366
367template <class Impl>
368void
369InstructionQueue<Impl>::setIssueToExecuteQueue(TimeBuffer<IssueStruct> *i2e_ptr)
370{
365 activeThreads = at_ptr;
366}
367
368template <class Impl>
369void
370InstructionQueue<Impl>::setIssueToExecuteQueue(TimeBuffer<IssueStruct> *i2e_ptr)
371{
371 DPRINTF(IQ, "Set the issue to execute queue.\n");
372 issueToExecuteQueue = i2e_ptr;
372 issueToExecuteQueue = i2e_ptr;
373}
374
375template <class Impl>
376void
377InstructionQueue<Impl>::setTimeBuffer(TimeBuffer<TimeStruct> *tb_ptr)
378{
373}
374
375template <class Impl>
376void
377InstructionQueue<Impl>::setTimeBuffer(TimeBuffer<TimeStruct> *tb_ptr)
378{
379 DPRINTF(IQ, "Set the time buffer.\n");
380 timeBuffer = tb_ptr;
381
382 fromCommit = timeBuffer->getWire(-commitToIEWDelay);
383}
384
385template <class Impl>
386void
387InstructionQueue<Impl>::switchOut()

--- 1028 unchanged lines hidden --- 		379 timeBuffer = tb_ptr;
380
381 fromCommit = timeBuffer->getWire(-commitToIEWDelay);
382}
383
384template <class Impl>
385void
386InstructionQueue<Impl>::switchOut()

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