configs/ruby/GPU_VIPER_Baseline.py

   1 # Copyright (c) 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 import six
  33 import math
  34 import m5
  35 from m5.objects import *
  36 from m5.defines import buildEnv
  37 from m5.util import addToPath
  38 from .Ruby import create_topology
  39 from .Ruby import send_evicts
  40
  41 addToPath('../')
  42
  43 from topologies.Cluster import Cluster
  44 from topologies.Crossbar import Crossbar
  45
  46 if six.PY3:
  47     long = int
  48
  49 class CntrlBase:
  50     _seqs = 0
  51     @classmethod
  52     def seqCount(cls):
  53         # Use SeqCount not class since we need global count
  54         CntrlBase._seqs += 1
  55         return CntrlBase._seqs - 1
  56
  57     _cntrls = 0
  58     @classmethod
  59     def cntrlCount(cls):
  60         # Use CntlCount not class since we need global count
  61         CntrlBase._cntrls += 1
  62         return CntrlBase._cntrls - 1
  63
  64     _version = 0
  65     @classmethod
  66     def versionCount(cls):
  67         cls._version += 1 # Use count for this particular type
  68         return cls._version - 1
  69
  70 class L1Cache(RubyCache):
  71     resourceStalls = False
  72     dataArrayBanks = 2
  73     tagArrayBanks = 2
  74     dataAccessLatency = 1
  75     tagAccessLatency = 1
  76     def create(self, size, assoc, options):
  77         self.size = MemorySize(size)
  78         self.assoc = assoc
  79         self.replacement_policy = TreePLRURP()
  80
  81 class L2Cache(RubyCache):
  82     resourceStalls = False
  83     assoc = 16
  84     dataArrayBanks = 16
  85     tagArrayBanks = 16
  86     def create(self, size, assoc, options):
  87         self.size = MemorySize(size)
  88         self.assoc = assoc
  89         self.replacement_policy = TreePLRURP()
  90
  91 class CPCntrl(CorePair_Controller, CntrlBase):
  92
  93     def create(self, options, ruby_system, system):
  94         self.version = self.versionCount()
  95
  96         self.L1Icache = L1Cache()
  97         self.L1Icache.create(options.l1i_size, options.l1i_assoc, options)
  98         self.L1D0cache = L1Cache()
  99         self.L1D0cache.create(options.l1d_size, options.l1d_assoc, options)
 100         self.L1D1cache = L1Cache()
 101         self.L1D1cache.create(options.l1d_size, options.l1d_assoc, options)
 102         self.L2cache = L2Cache()
 103         self.L2cache.create(options.l2_size, options.l2_assoc, options)
 104
 105         self.sequencer = RubySequencer()
 106         self.sequencer.version = self.seqCount()
 107         self.sequencer.icache = self.L1Icache
 108         self.sequencer.dcache = self.L1D0cache
 109         self.sequencer.ruby_system = ruby_system
 110         self.sequencer.coreid = 0
 111         self.sequencer.is_cpu_sequencer = True
 112
 113         self.sequencer1 = RubySequencer()
 114         self.sequencer1.version = self.seqCount()
 115         self.sequencer1.icache = self.L1Icache
 116         self.sequencer1.dcache = self.L1D1cache
 117         self.sequencer1.ruby_system = ruby_system
 118         self.sequencer1.coreid = 1
 119         self.sequencer1.is_cpu_sequencer = True
 120
 121         self.issue_latency = options.cpu_to_dir_latency
 122         self.send_evictions = send_evicts(options)
 123
 124         self.ruby_system = ruby_system
 125
 126         if options.recycle_latency:
 127             self.recycle_latency = options.recycle_latency
 128
 129 class TCPCache(RubyCache):
 130     size = "16kB"
 131     assoc = 16
 132     dataArrayBanks = 16
 133     tagArrayBanks = 16
 134     dataAccessLatency = 4
 135     tagAccessLatency = 1
 136     def create(self, options):
 137         self.size = MemorySize(options.tcp_size)
 138         self.dataArrayBanks = 16
 139         self.tagArrayBanks = 16
 140         self.dataAccessLatency = 4
 141         self.tagAccessLatency = 1
 142         self.resourceStalls = options.no_tcc_resource_stalls
 143         self.replacement_policy = TreePLRURP()
 144
 145 class TCPCntrl(TCP_Controller, CntrlBase):
 146
 147     def create(self, options, ruby_system, system):
 148         self.version = self.versionCount()
 149         self.L1cache = TCPCache()
 150         self.L1cache.create(options)
 151         self.issue_latency = 1
 152
 153         self.coalescer = VIPERCoalescer()
 154         self.coalescer.version = self.seqCount()
 155         self.coalescer.icache = self.L1cache
 156         self.coalescer.dcache = self.L1cache
 157         self.coalescer.ruby_system = ruby_system
 158         self.coalescer.support_inst_reqs = False
 159         self.coalescer.is_cpu_sequencer = False
 160         if options.tcp_deadlock_threshold:
 161           self.coalescer.deadlock_threshold = \
 162             options.tcp_deadlock_threshold
 163         self.coalescer.max_coalesces_per_cycle = \
 164             options.max_coalesces_per_cycle
 165
 166         self.sequencer = RubySequencer()
 167         self.sequencer.version = self.seqCount()
 168         self.sequencer.icache = self.L1cache
 169         self.sequencer.dcache = self.L1cache
 170         self.sequencer.ruby_system = ruby_system
 171         self.sequencer.is_cpu_sequencer = True
 172
 173         self.use_seq_not_coal = False
 174
 175         self.ruby_system = ruby_system
 176         if options.recycle_latency:
 177             self.recycle_latency = options.recycle_latency
 178
 179 class SQCCache(RubyCache):
 180     dataArrayBanks = 8
 181     tagArrayBanks = 8
 182     dataAccessLatency = 1
 183     tagAccessLatency = 1
 184
 185     def create(self, options):
 186         self.size = MemorySize(options.sqc_size)
 187         self.assoc = options.sqc_assoc
 188         self.replacement_policy = TreePLRURP()
 189
 190 class SQCCntrl(SQC_Controller, CntrlBase):
 191
 192     def create(self, options, ruby_system, system):
 193         self.version = self.versionCount()
 194         self.L1cache = SQCCache()
 195         self.L1cache.create(options)
 196         self.L1cache.resourceStalls = False
 197         self.sequencer = RubySequencer()
 198         self.sequencer.version = self.seqCount()
 199         self.sequencer.icache = self.L1cache
 200         self.sequencer.dcache = self.L1cache
 201         self.sequencer.ruby_system = ruby_system
 202         self.sequencer.support_data_reqs = False
 203         self.sequencer.is_cpu_sequencer = False
 204         if options.sqc_deadlock_threshold:
 205           self.sequencer.deadlock_threshold = \
 206             options.sqc_deadlock_threshold
 207
 208         self.ruby_system = ruby_system
 209         if options.recycle_latency:
 210             self.recycle_latency = options.recycle_latency
 211
 212 class TCC(RubyCache):
 213     size = MemorySize("256kB")
 214     assoc = 16
 215     dataAccessLatency = 8
 216     tagAccessLatency = 2
 217     resourceStalls = True
 218     def create(self, options):
 219         self.assoc = options.tcc_assoc
 220         if hasattr(options, 'bw_scalor') and options.bw_scalor > 0:
 221           s = options.num_compute_units
 222           tcc_size = s * 128
 223           tcc_size = str(tcc_size)+'kB'
 224           self.size = MemorySize(tcc_size)
 225           self.dataArrayBanks = 64
 226           self.tagArrayBanks = 64
 227         else:
 228           self.size = MemorySize(options.tcc_size)
 229           self.dataArrayBanks = 256 / options.num_tccs #number of data banks
 230           self.tagArrayBanks = 256 / options.num_tccs #number of tag banks
 231         self.size.value = self.size.value / options.num_tccs
 232         if ((self.size.value / long(self.assoc)) < 128):
 233             self.size.value = long(128 * self.assoc)
 234         self.start_index_bit = math.log(options.cacheline_size, 2) + \
 235                                math.log(options.num_tccs, 2)
 236         self.replacement_policy = TreePLRURP()
 237
 238 class TCCCntrl(TCC_Controller, CntrlBase):
 239     def create(self, options, ruby_system, system):
 240         self.version = self.versionCount()
 241         self.L2cache = TCC()
 242         self.L2cache.create(options)
 243         self.ruby_system = ruby_system
 244         self.L2cache.resourceStalls = options.no_tcc_resource_stalls
 245
 246         if options.recycle_latency:
 247             self.recycle_latency = options.recycle_latency
 248
 249 class L3Cache(RubyCache):
 250     dataArrayBanks = 16
 251     tagArrayBanks = 16
 252
 253     def create(self, options, ruby_system, system):
 254         self.size = MemorySize(options.l3_size)
 255         self.size.value /= options.num_dirs
 256         self.assoc = options.l3_assoc
 257         self.dataArrayBanks /= options.num_dirs
 258         self.tagArrayBanks /= options.num_dirs
 259         self.dataArrayBanks /= options.num_dirs
 260         self.tagArrayBanks /= options.num_dirs
 261         self.dataAccessLatency = options.l3_data_latency
 262         self.tagAccessLatency = options.l3_tag_latency
 263         self.resourceStalls = False
 264         self.replacement_policy = TreePLRURP()
 265
 266 class ProbeFilter(RubyCache):
 267     size = "4MB"
 268     assoc = 16
 269     dataArrayBanks = 256
 270     tagArrayBanks = 256
 271
 272     def create(self, options, ruby_system, system):
 273         self.block_size = "%dB" % (64 * options.blocks_per_region)
 274         self.size = options.region_dir_entries * \
 275             self.block_size * options.num_compute_units
 276         self.assoc = 8
 277         self.tagArrayBanks = 8
 278         self.tagAccessLatency = options.dir_tag_latency
 279         self.dataAccessLatency = 1
 280         self.resourceStalls = options.no_resource_stalls
 281         self.start_index_bit = 6 + int(math.log(options.blocks_per_region, 2))
 282         self.replacement_policy = TreePLRURP()
 283
 284 class L3Cntrl(L3Cache_Controller, CntrlBase):
 285     def create(self, options, ruby_system, system):
 286         self.version = self.versionCount()
 287         self.L3cache = L3Cache()
 288         self.L3cache.create(options, ruby_system, system)
 289         self.l3_response_latency = \
 290             max(self.L3cache.dataAccessLatency, self.L3cache.tagAccessLatency)
 291         self.ruby_system = ruby_system
 292         if options.recycle_latency:
 293             self.recycle_latency = options.recycle_latency
 294
 295     def connectWireBuffers(self, req_to_dir, resp_to_dir, l3_unblock_to_dir,
 296                            req_to_l3, probe_to_l3, resp_to_l3):
 297         self.reqToDir = req_to_dir
 298         self.respToDir = resp_to_dir
 299         self.l3UnblockToDir = l3_unblock_to_dir
 300         self.reqToL3 = req_to_l3
 301         self.probeToL3 = probe_to_l3
 302         self.respToL3 = resp_to_l3
 303
 304 class DirCntrl(Directory_Controller, CntrlBase):
 305     def create(self, options, dir_ranges, ruby_system, system):
 306         self.version = self.versionCount()
 307         self.response_latency = 30
 308         self.addr_ranges = dir_ranges
 309         self.directory = RubyDirectoryMemory()
 310         self.L3CacheMemory = L3Cache()
 311         self.L3CacheMemory.create(options, ruby_system, system)
 312         self.ProbeFilterMemory = ProbeFilter()
 313         self.ProbeFilterMemory.create(options, ruby_system, system)
 314         self.l3_hit_latency = \
 315             max(self.L3CacheMemory.dataAccessLatency,
 316             self.L3CacheMemory.tagAccessLatency)
 317
 318         self.ruby_system = ruby_system
 319         if options.recycle_latency:
 320             self.recycle_latency = options.recycle_latency
 321
 322     def connectWireBuffers(self, req_to_dir, resp_to_dir, l3_unblock_to_dir,
 323                            req_to_l3, probe_to_l3, resp_to_l3):
 324         self.reqToDir = req_to_dir
 325         self.respToDir = resp_to_dir
 326         self.l3UnblockToDir = l3_unblock_to_dir
 327         self.reqToL3 = req_to_l3
 328         self.probeToL3 = probe_to_l3
 329         self.respToL3 = resp_to_l3
 330
 331 def define_options(parser):
 332     parser.add_option("--num-subcaches", type = "int", default = 4)
 333     parser.add_option("--l3-data-latency", type = "int", default = 20)
 334     parser.add_option("--l3-tag-latency", type = "int", default = 15)
 335     parser.add_option("--cpu-to-dir-latency", type = "int", default = 120)
 336     parser.add_option("--gpu-to-dir-latency", type = "int", default = 120)
 337     parser.add_option("--no-resource-stalls", action = "store_false",
 338                       default = True)
 339     parser.add_option("--no-tcc-resource-stalls", action = "store_false",
 340                       default = True)
 341     parser.add_option("--num-tbes", type = "int", default = 2560)
 342     parser.add_option("--l2-latency", type = "int", default = 50)  # load to use
 343     parser.add_option("--num-tccs", type = "int", default = 1,
 344                       help = "number of TCC banks in the GPU")
 345     parser.add_option("--sqc-size", type = 'string', default = '32kB',
 346                       help = "SQC cache size")
 347     parser.add_option("--sqc-assoc", type = 'int', default = 8,
 348                       help = "SQC cache assoc")
 349     parser.add_option("--sqc-deadlock-threshold", type='int',
 350                       help="Set the SQC deadlock threshold to some value")
 351
 352     parser.add_option("--region-dir-entries", type = "int", default = 8192)
 353     parser.add_option("--dir-tag-latency", type = "int", default = 8)
 354     parser.add_option("--dir-tag-banks", type = "int", default = 4)
 355     parser.add_option("--blocks-per-region", type = "int", default = 1)
 356     parser.add_option("--use-L3-on-WT", action = "store_true", default = False)
 357     parser.add_option("--nonInclusiveDir", action = "store_true",
 358                       default = False)
 359     parser.add_option("--WB_L1", action = "store_true",
 360         default = False, help = "writeback L2")
 361     parser.add_option("--WB_L2", action = "store_true",
 362         default = False, help = "writeback L2")
 363     parser.add_option("--TCP_latency", type = "int",
 364         default = 4, help = "TCP latency")
 365     parser.add_option("--TCC_latency", type = "int",
 366         default = 16, help = "TCC latency")
 367     parser.add_option("--tcc-size", type = 'string', default = '2MB',
 368                       help = "agregate tcc size")
 369     parser.add_option("--tcc-assoc", type = 'int', default = 16,
 370                       help = "tcc assoc")
 371     parser.add_option("--tcp-size", type = 'string', default = '16kB',
 372                       help = "tcp size")
 373     parser.add_option("--tcp-deadlock-threshold", type='int',
 374                       help="Set the TCP deadlock threshold to some value")
 375     parser.add_option("--max-coalesces-per-cycle", type="int", default=1,
 376                       help="Maximum insts that may coalesce in a cycle");
 377
 378     parser.add_option("--sampler-sets", type = "int", default = 1024)
 379     parser.add_option("--sampler-assoc", type = "int", default = 16)
 380     parser.add_option("--sampler-counter", type = "int", default = 512)
 381     parser.add_option("--noL1", action = "store_true", default = False,
 382                       help = "bypassL1")
 383     parser.add_option("--noL2", action = "store_true", default = False,
 384                       help = "bypassL2")
 385
 386 def create_system(options, full_system, system, dma_devices, bootmem,
 387                   ruby_system):
 388     if buildEnv['PROTOCOL'] != 'GPU_VIPER_Baseline':
 389         panic("This script requires the" \
 390         "GPU_VIPER_Baseline protocol to be built.")
 391
 392     cpu_sequencers = []
 393
 394     #
 395     # The ruby network creation expects the list of nodes in the system to be
 396     # consistent with the NetDest list.  Therefore the l1 controller nodes
 397     # must be listed before the directory nodes and directory nodes before
 398     # dma nodes, etc.
 399     #
 400     cp_cntrl_nodes = []
 401     tcp_cntrl_nodes = []
 402     sqc_cntrl_nodes = []
 403     tcc_cntrl_nodes = []
 404     dir_cntrl_nodes = []
 405     l3_cntrl_nodes = []
 406
 407     #
 408     # Must create the individual controllers before the network to ensure the
 409     # controller constructors are called before the network constructor
 410     #
 411
 412     # For an odd number of CPUs, still create the right number of controllers
 413     TCC_bits = int(math.log(options.num_tccs, 2))
 414
 415     # This is the base crossbar that connects the L3s, Dirs, and cpu/gpu
 416     # Clusters
 417     crossbar_bw = 16 * options.num_compute_units #Assuming a 2GHz clock
 418     mainCluster = Cluster(intBW = crossbar_bw)
 419
 420     if options.numa_high_bit:
 421         numa_bit = options.numa_high_bit
 422     else:
 423         # if the numa_bit is not specified, set the directory bits as the
 424         # lowest bits above the block offset bits, and the numa_bit as the
 425         # highest of those directory bits
 426         dir_bits = int(math.log(options.num_dirs, 2))
 427         block_size_bits = int(math.log(options.cacheline_size, 2))
 428         numa_bit = block_size_bits + dir_bits - 1
 429
 430     for i in range(options.num_dirs):
 431         dir_ranges = []
 432         for r in system.mem_ranges:
 433             addr_range = m5.objects.AddrRange(r.start, size = r.size(),
 434                                               intlvHighBit = numa_bit,
 435                                               intlvBits = dir_bits,
 436                                               intlvMatch = i)
 437             dir_ranges.append(addr_range)
 438
 439         dir_cntrl = DirCntrl(noTCCdir=True,TCC_select_num_bits = TCC_bits)
 440         dir_cntrl.create(options, dir_ranges, ruby_system, system)
 441         dir_cntrl.number_of_TBEs = options.num_tbes
 442         dir_cntrl.useL3OnWT = options.use_L3_on_WT
 443         dir_cntrl.inclusiveDir = not options.nonInclusiveDir
 444
 445         # Connect the Directory controller to the ruby network
 446         dir_cntrl.requestFromCores = MessageBuffer(ordered = True)
 447         dir_cntrl.requestFromCores.slave = ruby_system.network.master
 448
 449         dir_cntrl.responseFromCores = MessageBuffer()
 450         dir_cntrl.responseFromCores.slave = ruby_system.network.master
 451
 452         dir_cntrl.unblockFromCores = MessageBuffer()
 453         dir_cntrl.unblockFromCores.slave = ruby_system.network.master
 454
 455         dir_cntrl.probeToCore = MessageBuffer()
 456         dir_cntrl.probeToCore.master = ruby_system.network.slave
 457
 458         dir_cntrl.responseToCore = MessageBuffer()
 459         dir_cntrl.responseToCore.master = ruby_system.network.slave
 460
 461         dir_cntrl.triggerQueue = MessageBuffer(ordered = True)
 462         dir_cntrl.L3triggerQueue = MessageBuffer(ordered = True)
 463         dir_cntrl.requestToMemory = MessageBuffer()
 464         dir_cntrl.responseFromMemory = MessageBuffer()
 465
 466         exec("system.dir_cntrl%d = dir_cntrl" % i)
 467         dir_cntrl_nodes.append(dir_cntrl)
 468         mainCluster.add(dir_cntrl)
 469
 470     cpuCluster = Cluster(extBW = crossbar_bw, intBW=crossbar_bw)
 471     for i in range((options.num_cpus + 1) // 2):
 472
 473         cp_cntrl = CPCntrl()
 474         cp_cntrl.create(options, ruby_system, system)
 475
 476         exec("system.cp_cntrl%d = cp_cntrl" % i)
 477         #
 478         # Add controllers and sequencers to the appropriate lists
 479         #
 480         cpu_sequencers.extend([cp_cntrl.sequencer, cp_cntrl.sequencer1])
 481
 482         # Connect the CP controllers and the network
 483         cp_cntrl.requestFromCore = MessageBuffer()
 484         cp_cntrl.requestFromCore.master = ruby_system.network.slave
 485
 486         cp_cntrl.responseFromCore = MessageBuffer()
 487         cp_cntrl.responseFromCore.master = ruby_system.network.slave
 488
 489         cp_cntrl.unblockFromCore = MessageBuffer()
 490         cp_cntrl.unblockFromCore.master = ruby_system.network.slave
 491
 492         cp_cntrl.probeToCore = MessageBuffer()
 493         cp_cntrl.probeToCore.slave = ruby_system.network.master
 494
 495         cp_cntrl.responseToCore = MessageBuffer()
 496         cp_cntrl.responseToCore.slave = ruby_system.network.master
 497
 498         cp_cntrl.mandatoryQueue = MessageBuffer()
 499         cp_cntrl.triggerQueue = MessageBuffer(ordered = True)
 500
 501         cpuCluster.add(cp_cntrl)
 502
 503     gpuCluster = Cluster(extBW = crossbar_bw, intBW = crossbar_bw)
 504     for i in range(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
 514         exec("system.tcp_cntrl%d = tcp_cntrl" % i)
 515         #
 516         # Add controllers and sequencers to the appropriate lists
 517         #
 518         cpu_sequencers.append(tcp_cntrl.coalescer)
 519         tcp_cntrl_nodes.append(tcp_cntrl)
 520
 521         # Connect the CP (TCP) controllers to the ruby network
 522         tcp_cntrl.requestFromTCP = MessageBuffer(ordered = True)
 523         tcp_cntrl.requestFromTCP.master = ruby_system.network.slave
 524
 525         tcp_cntrl.responseFromTCP = MessageBuffer(ordered = True)
 526         tcp_cntrl.responseFromTCP.master = ruby_system.network.slave
 527
 528         tcp_cntrl.unblockFromCore = MessageBuffer()
 529         tcp_cntrl.unblockFromCore.master = ruby_system.network.slave
 530
 531         tcp_cntrl.probeToTCP = MessageBuffer(ordered = True)
 532         tcp_cntrl.probeToTCP.slave = ruby_system.network.master
 533
 534         tcp_cntrl.responseToTCP = MessageBuffer(ordered = True)
 535         tcp_cntrl.responseToTCP.slave = ruby_system.network.master
 536
 537         tcp_cntrl.mandatoryQueue = MessageBuffer()
 538
 539         gpuCluster.add(tcp_cntrl)
 540
 541     for i in range(options.num_sqc):
 542
 543         sqc_cntrl = SQCCntrl(TCC_select_num_bits = TCC_bits)
 544         sqc_cntrl.create(options, ruby_system, system)
 545
 546         exec("system.sqc_cntrl%d = sqc_cntrl" % i)
 547         #
 548         # Add controllers and sequencers to the appropriate lists
 549         #
 550         cpu_sequencers.append(sqc_cntrl.sequencer)
 551
 552         # Connect the SQC controller to the ruby network
 553         sqc_cntrl.requestFromSQC = MessageBuffer(ordered = True)
 554         sqc_cntrl.requestFromSQC.master = ruby_system.network.slave
 555
 556         sqc_cntrl.probeToSQC = MessageBuffer(ordered = True)
 557         sqc_cntrl.probeToSQC.slave = ruby_system.network.master
 558
 559         sqc_cntrl.responseToSQC = MessageBuffer(ordered = True)
 560         sqc_cntrl.responseToSQC.slave = ruby_system.network.master
 561
 562         sqc_cntrl.mandatoryQueue = MessageBuffer()
 563
 564         # SQC also in GPU cluster
 565         gpuCluster.add(sqc_cntrl)
 566
 567     # Because of wire buffers, num_tccs must equal num_tccdirs
 568     numa_bit = 6
 569
 570     for i in range(options.num_tccs):
 571
 572         tcc_cntrl = TCCCntrl()
 573         tcc_cntrl.create(options, ruby_system, system)
 574         tcc_cntrl.l2_request_latency = options.gpu_to_dir_latency
 575         tcc_cntrl.l2_response_latency = options.TCC_latency
 576         tcc_cntrl_nodes.append(tcc_cntrl)
 577         tcc_cntrl.WB = options.WB_L2
 578         tcc_cntrl.number_of_TBEs = 2560 * options.num_compute_units
 579
 580         # Connect the TCC controllers to the ruby network
 581         tcc_cntrl.requestFromTCP = MessageBuffer(ordered = True)
 582         tcc_cntrl.requestFromTCP.slave = ruby_system.network.master
 583
 584         tcc_cntrl.responseToCore = MessageBuffer(ordered = True)
 585         tcc_cntrl.responseToCore.master = ruby_system.network.slave
 586
 587         tcc_cntrl.probeFromNB = MessageBuffer()
 588         tcc_cntrl.probeFromNB.slave = ruby_system.network.master
 589
 590         tcc_cntrl.responseFromNB = MessageBuffer()
 591         tcc_cntrl.responseFromNB.slave = ruby_system.network.master
 592
 593         tcc_cntrl.requestToNB = MessageBuffer(ordered = True)
 594         tcc_cntrl.requestToNB.master = ruby_system.network.slave
 595
 596         tcc_cntrl.responseToNB = MessageBuffer()
 597         tcc_cntrl.responseToNB.master = ruby_system.network.slave
 598
 599         tcc_cntrl.unblockToNB = MessageBuffer()
 600         tcc_cntrl.unblockToNB.master = ruby_system.network.slave
 601
 602         tcc_cntrl.triggerQueue = MessageBuffer(ordered = True)
 603
 604         exec("system.tcc_cntrl%d = tcc_cntrl" % i)
 605         # connect all of the wire buffers between L3 and dirs up
 606         # TCC cntrls added to the GPU cluster
 607         gpuCluster.add(tcc_cntrl)
 608
 609     # Assuming no DMA devices
 610     assert(len(dma_devices) == 0)
 611
 612     # Add cpu/gpu clusters to main cluster
 613     mainCluster.add(cpuCluster)
 614     mainCluster.add(gpuCluster)
 615
 616     ruby_system.network.number_of_virtual_networks = 10
 617
 618     return (cpu_sequencers, dir_cntrl_nodes, mainCluster)