GPU_VIPER.py revision 12647:6d7e2f321496 
1# Copyright (c) 2011-2015 Advanced Micro Devices, Inc.
2# All rights reserved.
3#
4# For use for simulation and test purposes only
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions are met:
8#
9# 1. Redistributions of source code must retain the above copyright notice,
10# this list of conditions and the following disclaimer.
11#
12# 2. Redistributions in binary form must reproduce the above copyright notice,
13# this list of conditions and the following disclaimer in the documentation
14# and/or other materials provided with the distribution.
15#
16# 3. Neither the name of the copyright holder nor the names of its
17# contributors may be used to endorse or promote products derived from this
18# software without specific prior written permission.
19#
20# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
24# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30# POSSIBILITY OF SUCH DAMAGE.
31#
32# Authors: Lisa Hsu
33
34import math
35import m5
36from m5.objects import *
37from m5.defines import buildEnv
38from Ruby import create_topology
39from Ruby import send_evicts
40
41from topologies.Cluster import Cluster
42from topologies.Crossbar import Crossbar
43
44class CntrlBase:
45    _seqs = 0
46    @classmethod
47    def seqCount(cls):
48        # Use SeqCount not class since we need global count
49        CntrlBase._seqs += 1
50        return CntrlBase._seqs - 1
51
52    _cntrls = 0
53    @classmethod
54    def cntrlCount(cls):
55        # Use CntlCount not class since we need global count
56        CntrlBase._cntrls += 1
57        return CntrlBase._cntrls - 1
58
59    _version = 0
60    @classmethod
61    def versionCount(cls):
62        cls._version += 1 # Use count for this particular type
63        return cls._version - 1
64
65class L1Cache(RubyCache):
66    resourceStalls = False
67    dataArrayBanks = 2
68    tagArrayBanks = 2
69    dataAccessLatency = 1
70    tagAccessLatency = 1
71    def create(self, size, assoc, options):
72        self.size = MemorySize(size)
73        self.assoc = assoc
74        self.replacement_policy = PseudoLRUReplacementPolicy()
75
76class L2Cache(RubyCache):
77    resourceStalls = False
78    assoc = 16
79    dataArrayBanks = 16
80    tagArrayBanks = 16
81    def create(self, size, assoc, options):
82        self.size = MemorySize(size)
83        self.assoc = assoc
84        self.replacement_policy = PseudoLRUReplacementPolicy()
85
86class CPCntrl(CorePair_Controller, CntrlBase):
87
88    def create(self, options, ruby_system, system):
89        self.version = self.versionCount()
90
91        self.L1Icache = L1Cache()
92        self.L1Icache.create(options.l1i_size, options.l1i_assoc, options)
93        self.L1D0cache = L1Cache()
94        self.L1D0cache.create(options.l1d_size, options.l1d_assoc, options)
95        self.L1D1cache = L1Cache()
96        self.L1D1cache.create(options.l1d_size, options.l1d_assoc, options)
97        self.L2cache = L2Cache()
98        self.L2cache.create(options.l2_size, options.l2_assoc, options)
99
100        self.sequencer = RubySequencer()
101        self.sequencer.version = self.seqCount()
102        self.sequencer.icache = self.L1Icache
103        self.sequencer.dcache = self.L1D0cache
104        self.sequencer.ruby_system = ruby_system
105        self.sequencer.coreid = 0
106        self.sequencer.is_cpu_sequencer = True
107
108        self.sequencer1 = RubySequencer()
109        self.sequencer1.version = self.seqCount()
110        self.sequencer1.icache = self.L1Icache
111        self.sequencer1.dcache = self.L1D1cache
112        self.sequencer1.ruby_system = ruby_system
113        self.sequencer1.coreid = 1
114        self.sequencer1.is_cpu_sequencer = True
115
116        self.issue_latency = options.cpu_to_dir_latency
117        self.send_evictions = send_evicts(options)
118
119        self.ruby_system = ruby_system
120
121        if options.recycle_latency:
122            self.recycle_latency = options.recycle_latency
123
124class TCPCache(RubyCache):
125    size = "16kB"
126    assoc = 16
127    dataArrayBanks = 16 #number of data banks
128    tagArrayBanks = 16  #number of tag banks
129    dataAccessLatency = 4
130    tagAccessLatency = 1
131    def create(self, options):
132        self.size = MemorySize(options.tcp_size)
133        self.assoc = options.tcp_assoc
134        self.resourceStalls = options.no_tcc_resource_stalls
135        self.replacement_policy = PseudoLRUReplacementPolicy()
136
137class TCPCntrl(TCP_Controller, CntrlBase):
138
139    def create(self, options, ruby_system, system):
140        self.version = self.versionCount()
141
142        self.L1cache = TCPCache(tagAccessLatency = options.TCP_latency,
143                                dataAccessLatency = options.TCP_latency)
144        self.L1cache.resourceStalls = options.no_resource_stalls
145        self.L1cache.create(options)
146        self.issue_latency = 1
147
148        self.coalescer = VIPERCoalescer()
149        self.coalescer.version = self.seqCount()
150        self.coalescer.icache = self.L1cache
151        self.coalescer.dcache = self.L1cache
152        self.coalescer.ruby_system = ruby_system
153        self.coalescer.support_inst_reqs = False
154        self.coalescer.is_cpu_sequencer = False
155
156        self.sequencer = RubySequencer()
157        self.sequencer.version = self.seqCount()
158        self.sequencer.icache = self.L1cache
159        self.sequencer.dcache = self.L1cache
160        self.sequencer.ruby_system = ruby_system
161        self.sequencer.is_cpu_sequencer = True
162
163        self.use_seq_not_coal = False
164
165        self.ruby_system = ruby_system
166
167        if options.recycle_latency:
168            self.recycle_latency = options.recycle_latency
169
170    def createCP(self, options, ruby_system, system):
171        self.version = self.versionCount()
172
173        self.L1cache = TCPCache(tagAccessLatency = options.TCP_latency,
174                                dataAccessLatency = options.TCP_latency)
175        self.L1cache.resourceStalls = options.no_resource_stalls
176        self.L1cache.create(options)
177        self.issue_latency = 1
178
179        self.coalescer = VIPERCoalescer()
180        self.coalescer.version = self.seqCount()
181        self.coalescer.icache = self.L1cache
182        self.coalescer.dcache = self.L1cache
183        self.coalescer.ruby_system = ruby_system
184        self.coalescer.support_inst_reqs = False
185        self.coalescer.is_cpu_sequencer = False
186
187        self.sequencer = RubySequencer()
188        self.sequencer.version = self.seqCount()
189        self.sequencer.icache = self.L1cache
190        self.sequencer.dcache = self.L1cache
191        self.sequencer.ruby_system = ruby_system
192        self.sequencer.is_cpu_sequencer = True
193
194        self.use_seq_not_coal = True
195
196        self.ruby_system = ruby_system
197
198        if options.recycle_latency:
199            self.recycle_latency = options.recycle_latency
200
201class SQCCache(RubyCache):
202    dataArrayBanks = 8
203    tagArrayBanks = 8
204    dataAccessLatency = 1
205    tagAccessLatency = 1
206
207    def create(self, options):
208        self.size = MemorySize(options.sqc_size)
209        self.assoc = options.sqc_assoc
210        self.replacement_policy = PseudoLRUReplacementPolicy()
211
212class SQCCntrl(SQC_Controller, CntrlBase):
213
214    def create(self, options, ruby_system, system):
215        self.version = self.versionCount()
216
217        self.L1cache = SQCCache()
218        self.L1cache.create(options)
219        self.L1cache.resourceStalls = options.no_resource_stalls
220
221        self.sequencer = RubySequencer()
222
223        self.sequencer.version = self.seqCount()
224        self.sequencer.icache = self.L1cache
225        self.sequencer.dcache = self.L1cache
226        self.sequencer.ruby_system = ruby_system
227        self.sequencer.support_data_reqs = False
228        self.sequencer.is_cpu_sequencer = False
229
230        self.ruby_system = ruby_system
231
232        if options.recycle_latency:
233            self.recycle_latency = options.recycle_latency
234
235class TCC(RubyCache):
236    size = MemorySize("256kB")
237    assoc = 16
238    dataAccessLatency = 8
239    tagAccessLatency = 2
240    resourceStalls = True
241    def create(self, options):
242        self.assoc = options.tcc_assoc
243        if hasattr(options, 'bw_scalor') and options.bw_scalor > 0:
244          s = options.num_compute_units
245          tcc_size = s * 128
246          tcc_size = str(tcc_size)+'kB'
247          self.size = MemorySize(tcc_size)
248          self.dataArrayBanks = 64
249          self.tagArrayBanks = 64
250        else:
251          self.size = MemorySize(options.tcc_size)
252          self.dataArrayBanks = 256 / options.num_tccs #number of data banks
253          self.tagArrayBanks = 256 / options.num_tccs #number of tag banks
254        self.size.value = self.size.value / options.num_tccs
255        if ((self.size.value / long(self.assoc)) < 128):
256            self.size.value = long(128 * self.assoc)
257        self.start_index_bit = math.log(options.cacheline_size, 2) + \
258                               math.log(options.num_tccs, 2)
259        self.replacement_policy = PseudoLRUReplacementPolicy()
260
261
262class TCCCntrl(TCC_Controller, CntrlBase):
263    def create(self, options, ruby_system, system):
264        self.version = self.versionCount()
265        self.L2cache = TCC()
266        self.L2cache.create(options)
267        self.L2cache.resourceStalls = options.no_tcc_resource_stalls
268
269        self.ruby_system = ruby_system
270
271        if options.recycle_latency:
272            self.recycle_latency = options.recycle_latency
273
274class L3Cache(RubyCache):
275    dataArrayBanks = 16
276    tagArrayBanks = 16
277
278    def create(self, options, ruby_system, system):
279        self.size = MemorySize(options.l3_size)
280        self.size.value /= options.num_dirs
281        self.assoc = options.l3_assoc
282        self.dataArrayBanks /= options.num_dirs
283        self.tagArrayBanks /= options.num_dirs
284        self.dataArrayBanks /= options.num_dirs
285        self.tagArrayBanks /= options.num_dirs
286        self.dataAccessLatency = options.l3_data_latency
287        self.tagAccessLatency = options.l3_tag_latency
288        self.resourceStalls = False
289        self.replacement_policy = PseudoLRUReplacementPolicy()
290
291class L3Cntrl(L3Cache_Controller, CntrlBase):
292    def create(self, options, ruby_system, system):
293        self.version = self.versionCount()
294        self.L3cache = L3Cache()
295        self.L3cache.create(options, ruby_system, system)
296
297        self.l3_response_latency = max(self.L3cache.dataAccessLatency, self.L3cache.tagAccessLatency)
298        self.ruby_system = ruby_system
299
300        if options.recycle_latency:
301            self.recycle_latency = options.recycle_latency
302
303    def connectWireBuffers(self, req_to_dir, resp_to_dir, l3_unblock_to_dir,
304                           req_to_l3, probe_to_l3, resp_to_l3):
305        self.reqToDir = req_to_dir
306        self.respToDir = resp_to_dir
307        self.l3UnblockToDir = l3_unblock_to_dir
308        self.reqToL3 = req_to_l3
309        self.probeToL3 = probe_to_l3
310        self.respToL3 = resp_to_l3
311
312class DirMem(RubyDirectoryMemory, CntrlBase):
313    def create(self, options, ruby_system, system):
314        self.version = self.versionCount()
315
316        phys_mem_size = AddrRange(options.mem_size).size()
317        mem_module_size = phys_mem_size / options.num_dirs
318        dir_size = MemorySize('0B')
319        dir_size.value = mem_module_size
320        self.size = dir_size
321
322class DirCntrl(Directory_Controller, CntrlBase):
323    def create(self, options, ruby_system, system):
324        self.version = self.versionCount()
325
326        self.response_latency = 30
327
328        self.directory = DirMem()
329        self.directory.create(options, ruby_system, system)
330
331        self.L3CacheMemory = L3Cache()
332        self.L3CacheMemory.create(options, ruby_system, system)
333
334        self.l3_hit_latency = max(self.L3CacheMemory.dataAccessLatency,
335                                  self.L3CacheMemory.tagAccessLatency)
336
337        self.number_of_TBEs = options.num_tbes
338
339        self.ruby_system = ruby_system
340
341        if options.recycle_latency:
342            self.recycle_latency = options.recycle_latency
343
344    def connectWireBuffers(self, req_to_dir, resp_to_dir, l3_unblock_to_dir,
345                           req_to_l3, probe_to_l3, resp_to_l3):
346        self.reqToDir = req_to_dir
347        self.respToDir = resp_to_dir
348        self.l3UnblockToDir = l3_unblock_to_dir
349        self.reqToL3 = req_to_l3
350        self.probeToL3 = probe_to_l3
351        self.respToL3 = resp_to_l3
352
353def define_options(parser):
354    parser.add_option("--num-subcaches", type = "int", default = 4)
355    parser.add_option("--l3-data-latency", type = "int", default = 20)
356    parser.add_option("--l3-tag-latency", type = "int", default = 15)
357    parser.add_option("--cpu-to-dir-latency", type = "int", default = 120)
358    parser.add_option("--gpu-to-dir-latency", type = "int", default = 120)
359    parser.add_option("--no-resource-stalls", action = "store_false",
360                      default = True)
361    parser.add_option("--no-tcc-resource-stalls", action = "store_false",
362                      default = True)
363    parser.add_option("--use-L3-on-WT", action = "store_true", default = False)
364    parser.add_option("--num-tbes", type = "int", default = 256)
365    parser.add_option("--l2-latency", type = "int", default = 50)  # load to use
366    parser.add_option("--num-tccs", type = "int", default = 1,
367                      help = "number of TCC banks in the GPU")
368    parser.add_option("--sqc-size", type = 'string', default = '32kB',
369                      help = "SQC cache size")
370    parser.add_option("--sqc-assoc", type = 'int', default = 8,
371                      help = "SQC cache assoc")
372    parser.add_option("--WB_L1", action = "store_true", default = False,
373                      help = "writeback L1")
374    parser.add_option("--WB_L2", action = "store_true", default = False,
375                      help = "writeback L2")
376    parser.add_option("--TCP_latency", type = "int", default = 4,
377                      help = "TCP latency")
378    parser.add_option("--TCC_latency", type = "int", default = 16,
379                      help = "TCC latency")
380    parser.add_option("--tcc-size", type = 'string', default = '256kB',
381                      help = "agregate tcc size")
382    parser.add_option("--tcc-assoc", type = 'int', default = 16,
383                      help = "tcc assoc")
384    parser.add_option("--tcp-size", type = 'string', default = '16kB',
385                      help = "tcp size")
386    parser.add_option("--tcp-assoc", type = 'int', default = 16,
387                      help = "tcp assoc")
388    parser.add_option("--noL1", action = "store_true", default = False,
389                      help = "bypassL1")
390
391def create_system(options, full_system, system, dma_devices, bootmem,
392                  ruby_system):
393    if buildEnv['PROTOCOL'] != 'GPU_VIPER':
394        panic("This script requires the GPU_VIPER protocol to be built.")
395
396    cpu_sequencers = []
397
398    #
399    # The ruby network creation expects the list of nodes in the system to be
400    # consistent with the NetDest list.  Therefore the l1 controller nodes
401    # must be listed before the directory nodes and directory nodes before
402    # dma nodes, etc.
403    #
404    cp_cntrl_nodes = []
405    tcp_cntrl_nodes = []
406    sqc_cntrl_nodes = []
407    tcc_cntrl_nodes = []
408    dir_cntrl_nodes = []
409    l3_cntrl_nodes = []
410
411    #
412    # Must create the individual controllers before the network to ensure the
413    # controller constructors are called before the network constructor
414    #
415
416    # For an odd number of CPUs, still create the right number of controllers
417    TCC_bits = int(math.log(options.num_tccs, 2))
418
419    # This is the base crossbar that connects the L3s, Dirs, and cpu/gpu
420    # Clusters
421    crossbar_bw = None
422    mainCluster = None
423    if hasattr(options, 'bw_scalor') and options.bw_scalor > 0:
424        #Assuming a 2GHz clock
425        crossbar_bw = 16 * options.num_compute_units * options.bw_scalor
426        mainCluster = Cluster(intBW=crossbar_bw)
427    else:
428        mainCluster = Cluster(intBW=8) # 16 GB/s
429    for i in xrange(options.num_dirs):
430
431        dir_cntrl = DirCntrl(noTCCdir = True, TCC_select_num_bits = TCC_bits)
432        dir_cntrl.create(options, ruby_system, system)
433        dir_cntrl.number_of_TBEs = options.num_tbes
434        dir_cntrl.useL3OnWT = options.use_L3_on_WT
435        # the number_of_TBEs is inclusive of TBEs below
436
437        # Connect the Directory controller to the ruby network
438        dir_cntrl.requestFromCores = MessageBuffer(ordered = True)
439        dir_cntrl.requestFromCores.slave = ruby_system.network.master
440
441        dir_cntrl.responseFromCores = MessageBuffer()
442        dir_cntrl.responseFromCores.slave = ruby_system.network.master
443
444        dir_cntrl.unblockFromCores = MessageBuffer()
445        dir_cntrl.unblockFromCores.slave = ruby_system.network.master
446
447        dir_cntrl.probeToCore = MessageBuffer()
448        dir_cntrl.probeToCore.master = ruby_system.network.slave
449
450        dir_cntrl.responseToCore = MessageBuffer()
451        dir_cntrl.responseToCore.master = ruby_system.network.slave
452
453        dir_cntrl.triggerQueue = MessageBuffer(ordered = True)
454        dir_cntrl.L3triggerQueue = MessageBuffer(ordered = True)
455        dir_cntrl.responseFromMemory = MessageBuffer()
456
457        exec("ruby_system.dir_cntrl%d = dir_cntrl" % i)
458        dir_cntrl_nodes.append(dir_cntrl)
459
460        mainCluster.add(dir_cntrl)
461
462    cpuCluster = None
463    if hasattr(options, 'bw_scalor') and options.bw_scalor > 0:
464        cpuCluster = Cluster(extBW = crossbar_bw, intBW = crossbar_bw)
465    else:
466        cpuCluster = Cluster(extBW = 8, intBW = 8) # 16 GB/s
467    for i in xrange((options.num_cpus + 1) / 2):
468
469        cp_cntrl = CPCntrl()
470        cp_cntrl.create(options, ruby_system, system)
471
472        exec("ruby_system.cp_cntrl%d = cp_cntrl" % i)
473        #
474        # Add controllers and sequencers to the appropriate lists
475        #
476        cpu_sequencers.extend([cp_cntrl.sequencer, cp_cntrl.sequencer1])
477
478        # Connect the CP controllers and the network
479        cp_cntrl.requestFromCore = MessageBuffer()
480        cp_cntrl.requestFromCore.master = ruby_system.network.slave
481
482        cp_cntrl.responseFromCore = MessageBuffer()
483        cp_cntrl.responseFromCore.master = ruby_system.network.slave
484
485        cp_cntrl.unblockFromCore = MessageBuffer()
486        cp_cntrl.unblockFromCore.master = ruby_system.network.slave
487
488        cp_cntrl.probeToCore = MessageBuffer()
489        cp_cntrl.probeToCore.slave = ruby_system.network.master
490
491        cp_cntrl.responseToCore = MessageBuffer()
492        cp_cntrl.responseToCore.slave = ruby_system.network.master
493
494        cp_cntrl.mandatoryQueue = MessageBuffer()
495        cp_cntrl.triggerQueue = MessageBuffer(ordered = True)
496
497        cpuCluster.add(cp_cntrl)
498
499    gpuCluster = None
500    if hasattr(options, 'bw_scalor') and options.bw_scalor > 0:
501      gpuCluster = Cluster(extBW = crossbar_bw, intBW = crossbar_bw)
502    else:
503      gpuCluster = Cluster(extBW = 8, intBW = 8) # 16 GB/s
504    for i in xrange(options.num_compute_units):
505
506        tcp_cntrl = TCPCntrl(TCC_select_num_bits = TCC_bits,
507                             issue_latency = 1,
508                             number_of_TBEs = 2560)
509        # TBEs set to max outstanding requests
510        tcp_cntrl.create(options, ruby_system, system)
511        tcp_cntrl.WB = options.WB_L1
512        tcp_cntrl.disableL1 = options.noL1
513        tcp_cntrl.L1cache.tagAccessLatency = options.TCP_latency
514        tcp_cntrl.L1cache.dataAccessLatency = options.TCP_latency
515
516        exec("ruby_system.tcp_cntrl%d = tcp_cntrl" % i)
517        #
518        # Add controllers and sequencers to the appropriate lists
519        #
520        cpu_sequencers.append(tcp_cntrl.coalescer)
521        tcp_cntrl_nodes.append(tcp_cntrl)
522
523        # Connect the TCP controller to the ruby network
524        tcp_cntrl.requestFromTCP = MessageBuffer(ordered = True)
525        tcp_cntrl.requestFromTCP.master = ruby_system.network.slave
526
527        tcp_cntrl.responseFromTCP = MessageBuffer(ordered = True)
528        tcp_cntrl.responseFromTCP.master = ruby_system.network.slave
529
530        tcp_cntrl.unblockFromCore = MessageBuffer()
531        tcp_cntrl.unblockFromCore.master = ruby_system.network.slave
532
533        tcp_cntrl.probeToTCP = MessageBuffer(ordered = True)
534        tcp_cntrl.probeToTCP.slave = ruby_system.network.master
535
536        tcp_cntrl.responseToTCP = MessageBuffer(ordered = True)
537        tcp_cntrl.responseToTCP.slave = ruby_system.network.master
538
539        tcp_cntrl.mandatoryQueue = MessageBuffer()
540
541        gpuCluster.add(tcp_cntrl)
542
543    for i in xrange(options.num_sqc):
544
545        sqc_cntrl = SQCCntrl(TCC_select_num_bits = TCC_bits)
546        sqc_cntrl.create(options, ruby_system, system)
547
548        exec("ruby_system.sqc_cntrl%d = sqc_cntrl" % i)
549        #
550        # Add controllers and sequencers to the appropriate lists
551        #
552        cpu_sequencers.append(sqc_cntrl.sequencer)
553
554        # Connect the SQC controller to the ruby network
555        sqc_cntrl.requestFromSQC = MessageBuffer(ordered = True)
556        sqc_cntrl.requestFromSQC.master = ruby_system.network.slave
557
558        sqc_cntrl.probeToSQC = MessageBuffer(ordered = True)
559        sqc_cntrl.probeToSQC.slave = ruby_system.network.master
560
561        sqc_cntrl.responseToSQC = MessageBuffer(ordered = True)
562        sqc_cntrl.responseToSQC.slave = ruby_system.network.master
563
564        sqc_cntrl.mandatoryQueue = MessageBuffer()
565
566        # SQC also in GPU cluster
567        gpuCluster.add(sqc_cntrl)
568
569    for i in xrange(options.num_cp):
570
571        tcp_ID = options.num_compute_units + i
572        sqc_ID = options.num_sqc + i
573
574        tcp_cntrl = TCPCntrl(TCC_select_num_bits = TCC_bits,
575                             issue_latency = 1,
576                             number_of_TBEs = 2560)
577        # TBEs set to max outstanding requests
578        tcp_cntrl.createCP(options, ruby_system, system)
579        tcp_cntrl.WB = options.WB_L1
580        tcp_cntrl.disableL1 = options.noL1
581        tcp_cntrl.L1cache.tagAccessLatency = options.TCP_latency
582        tcp_cntrl.L1cache.dataAccessLatency = options.TCP_latency
583
584        exec("ruby_system.tcp_cntrl%d = tcp_cntrl" % tcp_ID)
585        #
586        # Add controllers and sequencers to the appropriate lists
587        #
588        cpu_sequencers.append(tcp_cntrl.sequencer)
589        tcp_cntrl_nodes.append(tcp_cntrl)
590
591        # Connect the CP (TCP) controllers to the ruby network
592        tcp_cntrl.requestFromTCP = MessageBuffer(ordered = True)
593        tcp_cntrl.requestFromTCP.master = ruby_system.network.slave
594
595        tcp_cntrl.responseFromTCP = MessageBuffer(ordered = True)
596        tcp_cntrl.responseFromTCP.master = ruby_system.network.slave
597
598        tcp_cntrl.unblockFromCore = MessageBuffer(ordered = True)
599        tcp_cntrl.unblockFromCore.master = ruby_system.network.slave
600
601        tcp_cntrl.probeToTCP = MessageBuffer(ordered = True)
602        tcp_cntrl.probeToTCP.slave = ruby_system.network.master
603
604        tcp_cntrl.responseToTCP = MessageBuffer(ordered = True)
605        tcp_cntrl.responseToTCP.slave = ruby_system.network.master
606
607        tcp_cntrl.mandatoryQueue = MessageBuffer()
608
609        gpuCluster.add(tcp_cntrl)
610
611        sqc_cntrl = SQCCntrl(TCC_select_num_bits = TCC_bits)
612        sqc_cntrl.create(options, ruby_system, system)
613
614        exec("ruby_system.sqc_cntrl%d = sqc_cntrl" % sqc_ID)
615        #
616        # Add controllers and sequencers to the appropriate lists
617        #
618        cpu_sequencers.append(sqc_cntrl.sequencer)
619
620        # SQC also in GPU cluster
621        gpuCluster.add(sqc_cntrl)
622
623    for i in xrange(options.num_tccs):
624
625        tcc_cntrl = TCCCntrl(l2_response_latency = options.TCC_latency)
626        tcc_cntrl.create(options, ruby_system, system)
627        tcc_cntrl.l2_request_latency = options.gpu_to_dir_latency
628        tcc_cntrl.l2_response_latency = options.TCC_latency
629        tcc_cntrl_nodes.append(tcc_cntrl)
630        tcc_cntrl.WB = options.WB_L2
631        tcc_cntrl.number_of_TBEs = 2560 * options.num_compute_units
632        # the number_of_TBEs is inclusive of TBEs below
633
634        # Connect the TCC controllers to the ruby network
635        tcc_cntrl.requestFromTCP = MessageBuffer(ordered = True)
636        tcc_cntrl.requestFromTCP.slave = ruby_system.network.master
637
638        tcc_cntrl.responseToCore = MessageBuffer(ordered = True)
639        tcc_cntrl.responseToCore.master = ruby_system.network.slave
640
641        tcc_cntrl.probeFromNB = MessageBuffer()
642        tcc_cntrl.probeFromNB.slave = ruby_system.network.master
643
644        tcc_cntrl.responseFromNB = MessageBuffer()
645        tcc_cntrl.responseFromNB.slave = ruby_system.network.master
646
647        tcc_cntrl.requestToNB = MessageBuffer(ordered = True)
648        tcc_cntrl.requestToNB.master = ruby_system.network.slave
649
650        tcc_cntrl.responseToNB = MessageBuffer()
651        tcc_cntrl.responseToNB.master = ruby_system.network.slave
652
653        tcc_cntrl.unblockToNB = MessageBuffer()
654        tcc_cntrl.unblockToNB.master = ruby_system.network.slave
655
656        tcc_cntrl.triggerQueue = MessageBuffer(ordered = True)
657
658        exec("ruby_system.tcc_cntrl%d = tcc_cntrl" % i)
659
660        # connect all of the wire buffers between L3 and dirs up
661        # TCC cntrls added to the GPU cluster
662        gpuCluster.add(tcc_cntrl)
663
664    # Assuming no DMA devices
665    assert(len(dma_devices) == 0)
666
667    # Add cpu/gpu clusters to main cluster
668    mainCluster.add(cpuCluster)
669    mainCluster.add(gpuCluster)
670
671    ruby_system.network.number_of_virtual_networks = 10
672
673    return (cpu_sequencers, dir_cntrl_nodes, mainCluster)
674