configs/ruby/GPU_VIPER.py

   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 import math
  33 import m5
  34 from m5.objects import *
  35 from m5.defines import buildEnv
  36 from m5.util import addToPath
  37 from Ruby import create_topology
  38 from Ruby import send_evicts
  39
  40 addToPath('../')
  41
  42 from topologies.Cluster import Cluster
  43 from topologies.Crossbar import Crossbar
  44
  45 class CntrlBase:
  46     _seqs = 0
  47     @classmethod
  48     def seqCount(cls):
  49         # Use SeqCount not class since we need global count
  50         CntrlBase._seqs += 1
  51         return CntrlBase._seqs - 1
  52
  53     _cntrls = 0
  54     @classmethod
  55     def cntrlCount(cls):
  56         # Use CntlCount not class since we need global count
  57         CntrlBase._cntrls += 1
  58         return CntrlBase._cntrls - 1
  59
  60     _version = 0
  61     @classmethod
  62     def versionCount(cls):
  63         cls._version += 1 # Use count for this particular type
  64         return cls._version - 1
  65
  66 class L1Cache(RubyCache):
  67     resourceStalls = False
  68     dataArrayBanks = 2
  69     tagArrayBanks = 2
  70     dataAccessLatency = 1
  71     tagAccessLatency = 1
  72     def create(self, size, assoc, options):
  73         self.size = MemorySize(size)
  74         self.assoc = assoc
  75         self.replacement_policy = TreePLRURP()
  76
  77 class L2Cache(RubyCache):
  78     resourceStalls = False
  79     assoc = 16
  80     dataArrayBanks = 16
  81     tagArrayBanks = 16
  82     def create(self, size, assoc, options):
  83         self.size = MemorySize(size)
  84         self.assoc = assoc
  85         self.replacement_policy = TreePLRURP()
  86
  87 class CPCntrl(CorePair_Controller, CntrlBase):
  88
  89     def create(self, options, ruby_system, system):
  90         self.version = self.versionCount()
  91
  92         self.L1Icache = L1Cache()
  93         self.L1Icache.create(options.l1i_size, options.l1i_assoc, options)
  94         self.L1D0cache = L1Cache()
  95         self.L1D0cache.create(options.l1d_size, options.l1d_assoc, options)
  96         self.L1D1cache = L1Cache()
  97         self.L1D1cache.create(options.l1d_size, options.l1d_assoc, options)
  98         self.L2cache = L2Cache()
  99         self.L2cache.create(options.l2_size, options.l2_assoc, options)
 100
 101         self.sequencer = RubySequencer()
 102         self.sequencer.version = self.seqCount()
 103         self.sequencer.icache = self.L1Icache
 104         self.sequencer.dcache = self.L1D0cache
 105         self.sequencer.ruby_system = ruby_system
 106         self.sequencer.coreid = 0
 107         self.sequencer.is_cpu_sequencer = True
 108
 109         self.sequencer1 = RubySequencer()
 110         self.sequencer1.version = self.seqCount()
 111         self.sequencer1.icache = self.L1Icache
 112         self.sequencer1.dcache = self.L1D1cache
 113         self.sequencer1.ruby_system = ruby_system
 114         self.sequencer1.coreid = 1
 115         self.sequencer1.is_cpu_sequencer = True
 116
 117         self.issue_latency = options.cpu_to_dir_latency
 118         self.send_evictions = send_evicts(options)
 119
 120         self.ruby_system = ruby_system
 121
 122         if options.recycle_latency:
 123             self.recycle_latency = options.recycle_latency
 124
 125 class TCPCache(RubyCache):
 126     size = "16kB"
 127     assoc = 16
 128     dataArrayBanks = 16 #number of data banks
 129     tagArrayBanks = 16  #number of tag banks
 130     dataAccessLatency = 4
 131     tagAccessLatency = 1
 132     def create(self, options):
 133         self.size = MemorySize(options.tcp_size)
 134         self.assoc = options.tcp_assoc
 135         self.resourceStalls = options.no_tcc_resource_stalls
 136         self.replacement_policy = TreePLRURP()
 137
 138 class TCPCntrl(TCP_Controller, CntrlBase):
 139
 140     def create(self, options, ruby_system, system):
 141         self.version = self.versionCount()
 142
 143         self.L1cache = TCPCache(tagAccessLatency = options.TCP_latency,
 144                                 dataAccessLatency = options.TCP_latency)
 145         self.L1cache.resourceStalls = options.no_resource_stalls
 146         self.L1cache.create(options)
 147         self.issue_latency = 1
 148
 149         self.coalescer = VIPERCoalescer()
 150         self.coalescer.version = self.seqCount()
 151         self.coalescer.icache = self.L1cache
 152         self.coalescer.dcache = self.L1cache
 153         self.coalescer.ruby_system = ruby_system
 154         self.coalescer.support_inst_reqs = False
 155         self.coalescer.is_cpu_sequencer = False
 156         if options.tcp_deadlock_threshold:
 157           self.coalescer.deadlock_threshold = \
 158               options.tcp_deadlock_threshold
 159         self.coalescer.max_coalesces_per_cycle = \
 160             options.max_coalesces_per_cycle
 161
 162         self.sequencer = RubySequencer()
 163         self.sequencer.version = self.seqCount()
 164         self.sequencer.icache = self.L1cache
 165         self.sequencer.dcache = self.L1cache
 166         self.sequencer.ruby_system = ruby_system
 167         self.sequencer.is_cpu_sequencer = True
 168
 169         self.use_seq_not_coal = False
 170
 171         self.ruby_system = ruby_system
 172
 173         if options.recycle_latency:
 174             self.recycle_latency = options.recycle_latency
 175
 176     def createCP(self, options, ruby_system, system):
 177         self.version = self.versionCount()
 178
 179         self.L1cache = TCPCache(tagAccessLatency = options.TCP_latency,
 180                                 dataAccessLatency = options.TCP_latency)
 181         self.L1cache.resourceStalls = options.no_resource_stalls
 182         self.L1cache.create(options)
 183         self.issue_latency = 1
 184
 185         self.coalescer = VIPERCoalescer()
 186         self.coalescer.version = self.seqCount()
 187         self.coalescer.icache = self.L1cache
 188         self.coalescer.dcache = self.L1cache
 189         self.coalescer.ruby_system = ruby_system
 190         self.coalescer.support_inst_reqs = False
 191         self.coalescer.is_cpu_sequencer = False
 192
 193         self.sequencer = RubySequencer()
 194         self.sequencer.version = self.seqCount()
 195         self.sequencer.icache = self.L1cache
 196         self.sequencer.dcache = self.L1cache
 197         self.sequencer.ruby_system = ruby_system
 198         self.sequencer.is_cpu_sequencer = True
 199
 200         self.use_seq_not_coal = True
 201
 202         self.ruby_system = ruby_system
 203
 204         if options.recycle_latency:
 205             self.recycle_latency = options.recycle_latency
 206
 207 class SQCCache(RubyCache):
 208     dataArrayBanks = 8
 209     tagArrayBanks = 8
 210     dataAccessLatency = 1
 211     tagAccessLatency = 1
 212
 213     def create(self, options):
 214         self.size = MemorySize(options.sqc_size)
 215         self.assoc = options.sqc_assoc
 216         self.replacement_policy = TreePLRURP()
 217
 218 class SQCCntrl(SQC_Controller, CntrlBase):
 219
 220     def create(self, options, ruby_system, system):
 221         self.version = self.versionCount()
 222
 223         self.L1cache = SQCCache()
 224         self.L1cache.create(options)
 225         self.L1cache.resourceStalls = options.no_resource_stalls
 226
 227         self.sequencer = RubySequencer()
 228
 229         self.sequencer.version = self.seqCount()
 230         self.sequencer.icache = self.L1cache
 231         self.sequencer.dcache = self.L1cache
 232         self.sequencer.ruby_system = ruby_system
 233         self.sequencer.support_data_reqs = False
 234         self.sequencer.is_cpu_sequencer = False
 235         if options.sqc_deadlock_threshold:
 236           self.sequencer.deadlock_threshold = \
 237             options.sqc_deadlock_threshold
 238
 239         self.ruby_system = ruby_system
 240
 241         if options.recycle_latency:
 242             self.recycle_latency = options.recycle_latency
 243
 244 class TCC(RubyCache):
 245     size = MemorySize("256kB")
 246     assoc = 16
 247     dataAccessLatency = 8
 248     tagAccessLatency = 2
 249     resourceStalls = True
 250     def create(self, options):
 251         self.assoc = options.tcc_assoc
 252         if hasattr(options, 'bw_scalor') and options.bw_scalor > 0:
 253           s = options.num_compute_units
 254           tcc_size = s * 128
 255           tcc_size = str(tcc_size)+'kB'
 256           self.size = MemorySize(tcc_size)
 257           self.dataArrayBanks = 64
 258           self.tagArrayBanks = 64
 259         else:
 260           self.size = MemorySize(options.tcc_size)
 261           self.dataArrayBanks = 256 / options.num_tccs #number of data banks
 262           self.tagArrayBanks = 256 / options.num_tccs #number of tag banks
 263         self.size.value = self.size.value / options.num_tccs
 264         if ((self.size.value / long(self.assoc)) < 128):
 265             self.size.value = long(128 * self.assoc)
 266         self.start_index_bit = math.log(options.cacheline_size, 2) + \
 267                                math.log(options.num_tccs, 2)
 268         self.replacement_policy = TreePLRURP()
 269
 270
 271 class TCCCntrl(TCC_Controller, CntrlBase):
 272     def create(self, options, ruby_system, system):
 273         self.version = self.versionCount()
 274         self.L2cache = TCC()
 275         self.L2cache.create(options)
 276         self.L2cache.resourceStalls = options.no_tcc_resource_stalls
 277
 278         self.ruby_system = ruby_system
 279
 280         if options.recycle_latency:
 281             self.recycle_latency = options.recycle_latency
 282
 283 class L3Cache(RubyCache):
 284     dataArrayBanks = 16
 285     tagArrayBanks = 16
 286
 287     def create(self, options, ruby_system, system):
 288         self.size = MemorySize(options.l3_size)
 289         self.size.value /= options.num_dirs
 290         self.assoc = options.l3_assoc
 291         self.dataArrayBanks /= options.num_dirs
 292         self.tagArrayBanks /= options.num_dirs
 293         self.dataArrayBanks /= options.num_dirs
 294         self.tagArrayBanks /= options.num_dirs
 295         self.dataAccessLatency = options.l3_data_latency
 296         self.tagAccessLatency = options.l3_tag_latency
 297         self.resourceStalls = False
 298         self.replacement_policy = TreePLRURP()
 299
 300 class L3Cntrl(L3Cache_Controller, CntrlBase):
 301     def create(self, options, ruby_system, system):
 302         self.version = self.versionCount()
 303         self.L3cache = L3Cache()
 304         self.L3cache.create(options, ruby_system, system)
 305
 306         self.l3_response_latency = max(self.L3cache.dataAccessLatency, self.L3cache.tagAccessLatency)
 307         self.ruby_system = ruby_system
 308
 309         if options.recycle_latency:
 310             self.recycle_latency = options.recycle_latency
 311
 312     def connectWireBuffers(self, req_to_dir, resp_to_dir, l3_unblock_to_dir,
 313                            req_to_l3, probe_to_l3, resp_to_l3):
 314         self.reqToDir = req_to_dir
 315         self.respToDir = resp_to_dir
 316         self.l3UnblockToDir = l3_unblock_to_dir
 317         self.reqToL3 = req_to_l3
 318         self.probeToL3 = probe_to_l3
 319         self.respToL3 = resp_to_l3
 320
 321 class DirMem(RubyDirectoryMemory, CntrlBase):
 322     def create(self, options, ruby_system, system):
 323         self.version = self.versionCount()
 324
 325         phys_mem_size = AddrRange(options.mem_size).size()
 326         mem_module_size = phys_mem_size / options.num_dirs
 327         dir_size = MemorySize('0B')
 328         dir_size.value = mem_module_size
 329         self.size = dir_size
 330
 331 class DirCntrl(Directory_Controller, CntrlBase):
 332     def create(self, options, ruby_system, system):
 333         self.version = self.versionCount()
 334
 335         self.response_latency = 30
 336
 337         self.directory = DirMem()
 338         self.directory.create(options, ruby_system, system)
 339
 340         self.L3CacheMemory = L3Cache()
 341         self.L3CacheMemory.create(options, ruby_system, system)
 342
 343         self.l3_hit_latency = max(self.L3CacheMemory.dataAccessLatency,
 344                                   self.L3CacheMemory.tagAccessLatency)
 345
 346         self.number_of_TBEs = options.num_tbes
 347
 348         self.ruby_system = ruby_system
 349
 350         if options.recycle_latency:
 351             self.recycle_latency = options.recycle_latency
 352
 353     def connectWireBuffers(self, req_to_dir, resp_to_dir, l3_unblock_to_dir,
 354                            req_to_l3, probe_to_l3, resp_to_l3):
 355         self.reqToDir = req_to_dir
 356         self.respToDir = resp_to_dir
 357         self.l3UnblockToDir = l3_unblock_to_dir
 358         self.reqToL3 = req_to_l3
 359         self.probeToL3 = probe_to_l3
 360         self.respToL3 = resp_to_l3
 361
 362 def define_options(parser):
 363     parser.add_option("--num-subcaches", type = "int", default = 4)
 364     parser.add_option("--l3-data-latency", type = "int", default = 20)
 365     parser.add_option("--l3-tag-latency", type = "int", default = 15)
 366     parser.add_option("--cpu-to-dir-latency", type = "int", default = 120)
 367     parser.add_option("--gpu-to-dir-latency", type = "int", default = 120)
 368     parser.add_option("--no-resource-stalls", action = "store_false",
 369                       default = True)
 370     parser.add_option("--no-tcc-resource-stalls", action = "store_false",
 371                       default = True)
 372     parser.add_option("--use-L3-on-WT", action = "store_true", default = False)
 373     parser.add_option("--num-tbes", type = "int", default = 256)
 374     parser.add_option("--l2-latency", type = "int", default = 50)  # load to use
 375     parser.add_option("--num-tccs", type = "int", default = 1,
 376                       help = "number of TCC banks in the GPU")
 377     parser.add_option("--sqc-size", type = 'string', default = '32kB',
 378                       help = "SQC cache size")
 379     parser.add_option("--sqc-assoc", type = 'int', default = 8,
 380                       help = "SQC cache assoc")
 381     parser.add_option("--sqc-deadlock-threshold", type='int',
 382                       help="Set the SQC deadlock threshold to some value")
 383
 384     parser.add_option("--WB_L1", action = "store_true", default = False,
 385                       help = "writeback L1")
 386     parser.add_option("--WB_L2", action = "store_true", default = False,
 387                       help = "writeback L2")
 388     parser.add_option("--TCP_latency", type = "int", default = 4,
 389                       help = "TCP latency")
 390     parser.add_option("--TCC_latency", type = "int", default = 16,
 391                       help = "TCC latency")
 392     parser.add_option("--tcc-size", type = 'string', default = '256kB',
 393                       help = "agregate tcc size")
 394     parser.add_option("--tcc-assoc", type = 'int', default = 16,
 395                       help = "tcc assoc")
 396     parser.add_option("--tcp-size", type = 'string', default = '16kB',
 397                       help = "tcp size")
 398     parser.add_option("--tcp-assoc", type = 'int', default = 16,
 399                       help = "tcp assoc")
 400     parser.add_option("--tcp-deadlock-threshold", type='int',
 401                       help="Set the TCP deadlock threshold to some value")
 402     parser.add_option("--max-coalesces-per-cycle", type="int", default=1,
 403                       help="Maximum insts that may coalesce in a cycle");
 404
 405     parser.add_option("--noL1", action = "store_true", default = False,
 406                       help = "bypassL1")
 407
 408 def create_system(options, full_system, system, dma_devices, bootmem,
 409                   ruby_system):
 410     if buildEnv['PROTOCOL'] != 'GPU_VIPER':
 411         panic("This script requires the GPU_VIPER protocol to be built.")
 412
 413     cpu_sequencers = []
 414
 415     #
 416     # The ruby network creation expects the list of nodes in the system to be
 417     # consistent with the NetDest list.  Therefore the l1 controller nodes
 418     # must be listed before the directory nodes and directory nodes before
 419     # dma nodes, etc.
 420     #
 421     cp_cntrl_nodes = []
 422     tcp_cntrl_nodes = []
 423     sqc_cntrl_nodes = []
 424     tcc_cntrl_nodes = []
 425     dir_cntrl_nodes = []
 426     l3_cntrl_nodes = []
 427
 428     #
 429     # Must create the individual controllers before the network to ensure the
 430     # controller constructors are called before the network constructor
 431     #
 432
 433     # For an odd number of CPUs, still create the right number of controllers
 434     TCC_bits = int(math.log(options.num_tccs, 2))
 435
 436     # This is the base crossbar that connects the L3s, Dirs, and cpu/gpu
 437     # Clusters
 438     crossbar_bw = None
 439     mainCluster = None
 440     if hasattr(options, 'bw_scalor') and options.bw_scalor > 0:
 441         #Assuming a 2GHz clock
 442         crossbar_bw = 16 * options.num_compute_units * options.bw_scalor
 443         mainCluster = Cluster(intBW=crossbar_bw)
 444     else:
 445         mainCluster = Cluster(intBW=8) # 16 GB/s
 446     for i in range(options.num_dirs):
 447
 448         dir_cntrl = DirCntrl(noTCCdir = True, TCC_select_num_bits = TCC_bits)
 449         dir_cntrl.create(options, ruby_system, system)
 450         dir_cntrl.number_of_TBEs = options.num_tbes
 451         dir_cntrl.useL3OnWT = options.use_L3_on_WT
 452         # the number_of_TBEs is inclusive of TBEs below
 453
 454         # Connect the Directory controller to the ruby network
 455         dir_cntrl.requestFromCores = MessageBuffer(ordered = True)
 456         dir_cntrl.requestFromCores.slave = ruby_system.network.master
 457
 458         dir_cntrl.responseFromCores = MessageBuffer()
 459         dir_cntrl.responseFromCores.slave = ruby_system.network.master
 460
 461         dir_cntrl.unblockFromCores = MessageBuffer()
 462         dir_cntrl.unblockFromCores.slave = ruby_system.network.master
 463
 464         dir_cntrl.probeToCore = MessageBuffer()
 465         dir_cntrl.probeToCore.master = ruby_system.network.slave
 466
 467         dir_cntrl.responseToCore = MessageBuffer()
 468         dir_cntrl.responseToCore.master = ruby_system.network.slave
 469
 470         dir_cntrl.triggerQueue = MessageBuffer(ordered = True)
 471         dir_cntrl.L3triggerQueue = MessageBuffer(ordered = True)
 472         dir_cntrl.requestToMemory = MessageBuffer()
 473         dir_cntrl.responseFromMemory = MessageBuffer()
 474
 475         exec("ruby_system.dir_cntrl%d = dir_cntrl" % i)
 476         dir_cntrl_nodes.append(dir_cntrl)
 477
 478         mainCluster.add(dir_cntrl)
 479
 480     cpuCluster = None
 481     if hasattr(options, 'bw_scalor') and options.bw_scalor > 0:
 482         cpuCluster = Cluster(extBW = crossbar_bw, intBW = crossbar_bw)
 483     else:
 484         cpuCluster = Cluster(extBW = 8, intBW = 8) # 16 GB/s
 485     for i in range((options.num_cpus + 1) // 2):
 486
 487         cp_cntrl = CPCntrl()
 488         cp_cntrl.create(options, ruby_system, system)
 489
 490         exec("ruby_system.cp_cntrl%d = cp_cntrl" % i)
 491         #
 492         # Add controllers and sequencers to the appropriate lists
 493         #
 494         cpu_sequencers.extend([cp_cntrl.sequencer, cp_cntrl.sequencer1])
 495
 496         # Connect the CP controllers and the network
 497         cp_cntrl.requestFromCore = MessageBuffer()
 498         cp_cntrl.requestFromCore.master = ruby_system.network.slave
 499
 500         cp_cntrl.responseFromCore = MessageBuffer()
 501         cp_cntrl.responseFromCore.master = ruby_system.network.slave
 502
 503         cp_cntrl.unblockFromCore = MessageBuffer()
 504         cp_cntrl.unblockFromCore.master = ruby_system.network.slave
 505
 506         cp_cntrl.probeToCore = MessageBuffer()
 507         cp_cntrl.probeToCore.slave = ruby_system.network.master
 508
 509         cp_cntrl.responseToCore = MessageBuffer()
 510         cp_cntrl.responseToCore.slave = ruby_system.network.master
 511
 512         cp_cntrl.mandatoryQueue = MessageBuffer()
 513         cp_cntrl.triggerQueue = MessageBuffer(ordered = True)
 514
 515         cpuCluster.add(cp_cntrl)
 516
 517     # Register CPUs and caches for each CorePair and directory (SE mode only)
 518     if not full_system:
 519         for i in xrange((options.num_cpus + 1) // 2):
 520             FileSystemConfig.register_cpu(physical_package_id = 0,
 521                                           core_siblings = \
 522                                             xrange(options.num_cpus),
 523                                           core_id = i*2,
 524                                           thread_siblings = [])
 525
 526             FileSystemConfig.register_cpu(physical_package_id = 0,
 527                                           core_siblings = \
 528                                             xrange(options.num_cpus),
 529                                           core_id = i*2+1,
 530                                           thread_siblings = [])
 531
 532             FileSystemConfig.register_cache(level = 0,
 533                                             idu_type = 'Instruction',
 534                                             size = options.l1i_size,
 535                                             line_size = options.cacheline_size,
 536                                             assoc = options.l1i_assoc,
 537                                             cpus = [i*2, i*2+1])
 538
 539             FileSystemConfig.register_cache(level = 0,
 540                                             idu_type = 'Data',
 541                                             size = options.l1d_size,
 542                                             line_size = options.cacheline_size,
 543                                             assoc = options.l1d_assoc,
 544                                             cpus = [i*2])
 545
 546             FileSystemConfig.register_cache(level = 0,
 547                                             idu_type = 'Data',
 548                                             size = options.l1d_size,
 549                                             line_size = options.cacheline_size,
 550                                             assoc = options.l1d_assoc,
 551                                             cpus = [i*2+1])
 552
 553             FileSystemConfig.register_cache(level = 1,
 554                                             idu_type = 'Unified',
 555                                             size = options.l2_size,
 556                                             line_size = options.cacheline_size,
 557                                             assoc = options.l2_assoc,
 558                                             cpus = [i*2, i*2+1])
 559
 560         for i in range(options.num_dirs):
 561             FileSystemConfig.register_cache(level = 2,
 562                                             idu_type = 'Unified',
 563                                             size = options.l3_size,
 564                                             line_size = options.cacheline_size,
 565                                             assoc = options.l3_assoc,
 566                                             cpus = [n for n in
 567                                                 xrange(options.num_cpus)])
 568
 569     gpuCluster = None
 570     if hasattr(options, 'bw_scalor') and options.bw_scalor > 0:
 571       gpuCluster = Cluster(extBW = crossbar_bw, intBW = crossbar_bw)
 572     else:
 573       gpuCluster = Cluster(extBW = 8, intBW = 8) # 16 GB/s
 574     for i in range(options.num_compute_units):
 575
 576         tcp_cntrl = TCPCntrl(TCC_select_num_bits = TCC_bits,
 577                              issue_latency = 1,
 578                              number_of_TBEs = 2560)
 579         # TBEs set to max outstanding requests
 580         tcp_cntrl.create(options, ruby_system, system)
 581         tcp_cntrl.WB = options.WB_L1
 582         tcp_cntrl.disableL1 = options.noL1
 583         tcp_cntrl.L1cache.tagAccessLatency = options.TCP_latency
 584         tcp_cntrl.L1cache.dataAccessLatency = options.TCP_latency
 585
 586         exec("ruby_system.tcp_cntrl%d = tcp_cntrl" % i)
 587         #
 588         # Add controllers and sequencers to the appropriate lists
 589         #
 590         cpu_sequencers.append(tcp_cntrl.coalescer)
 591         tcp_cntrl_nodes.append(tcp_cntrl)
 592
 593         # Connect the TCP controller to the ruby network
 594         tcp_cntrl.requestFromTCP = MessageBuffer(ordered = True)
 595         tcp_cntrl.requestFromTCP.master = ruby_system.network.slave
 596
 597         tcp_cntrl.responseFromTCP = MessageBuffer(ordered = True)
 598         tcp_cntrl.responseFromTCP.master = ruby_system.network.slave
 599
 600         tcp_cntrl.unblockFromCore = MessageBuffer()
 601         tcp_cntrl.unblockFromCore.master = ruby_system.network.slave
 602
 603         tcp_cntrl.probeToTCP = MessageBuffer(ordered = True)
 604         tcp_cntrl.probeToTCP.slave = ruby_system.network.master
 605
 606         tcp_cntrl.responseToTCP = MessageBuffer(ordered = True)
 607         tcp_cntrl.responseToTCP.slave = ruby_system.network.master
 608
 609         tcp_cntrl.mandatoryQueue = MessageBuffer()
 610
 611         gpuCluster.add(tcp_cntrl)
 612
 613     for i in range(options.num_sqc):
 614
 615         sqc_cntrl = SQCCntrl(TCC_select_num_bits = TCC_bits)
 616         sqc_cntrl.create(options, ruby_system, system)
 617
 618         exec("ruby_system.sqc_cntrl%d = sqc_cntrl" % i)
 619         #
 620         # Add controllers and sequencers to the appropriate lists
 621         #
 622         cpu_sequencers.append(sqc_cntrl.sequencer)
 623
 624         # Connect the SQC controller to the ruby network
 625         sqc_cntrl.requestFromSQC = MessageBuffer(ordered = True)
 626         sqc_cntrl.requestFromSQC.master = ruby_system.network.slave
 627
 628         sqc_cntrl.probeToSQC = MessageBuffer(ordered = True)
 629         sqc_cntrl.probeToSQC.slave = ruby_system.network.master
 630
 631         sqc_cntrl.responseToSQC = MessageBuffer(ordered = True)
 632         sqc_cntrl.responseToSQC.slave = ruby_system.network.master
 633
 634         sqc_cntrl.mandatoryQueue = MessageBuffer()
 635
 636         # SQC also in GPU cluster
 637         gpuCluster.add(sqc_cntrl)
 638
 639     for i in range(options.num_cp):
 640
 641         tcp_ID = options.num_compute_units + i
 642         sqc_ID = options.num_sqc + i
 643
 644         tcp_cntrl = TCPCntrl(TCC_select_num_bits = TCC_bits,
 645                              issue_latency = 1,
 646                              number_of_TBEs = 2560)
 647         # TBEs set to max outstanding requests
 648         tcp_cntrl.createCP(options, ruby_system, system)
 649         tcp_cntrl.WB = options.WB_L1
 650         tcp_cntrl.disableL1 = options.noL1
 651         tcp_cntrl.L1cache.tagAccessLatency = options.TCP_latency
 652         tcp_cntrl.L1cache.dataAccessLatency = options.TCP_latency
 653
 654         exec("ruby_system.tcp_cntrl%d = tcp_cntrl" % tcp_ID)
 655         #
 656         # Add controllers and sequencers to the appropriate lists
 657         #
 658         cpu_sequencers.append(tcp_cntrl.sequencer)
 659         tcp_cntrl_nodes.append(tcp_cntrl)
 660
 661         # Connect the CP (TCP) controllers to the ruby network
 662         tcp_cntrl.requestFromTCP = MessageBuffer(ordered = True)
 663         tcp_cntrl.requestFromTCP.master = ruby_system.network.slave
 664
 665         tcp_cntrl.responseFromTCP = MessageBuffer(ordered = True)
 666         tcp_cntrl.responseFromTCP.master = ruby_system.network.slave
 667
 668         tcp_cntrl.unblockFromCore = MessageBuffer(ordered = True)
 669         tcp_cntrl.unblockFromCore.master = ruby_system.network.slave
 670
 671         tcp_cntrl.probeToTCP = MessageBuffer(ordered = True)
 672         tcp_cntrl.probeToTCP.slave = ruby_system.network.master
 673
 674         tcp_cntrl.responseToTCP = MessageBuffer(ordered = True)
 675         tcp_cntrl.responseToTCP.slave = ruby_system.network.master
 676
 677         tcp_cntrl.mandatoryQueue = MessageBuffer()
 678
 679         gpuCluster.add(tcp_cntrl)
 680
 681         sqc_cntrl = SQCCntrl(TCC_select_num_bits = TCC_bits)
 682         sqc_cntrl.create(options, ruby_system, system)
 683
 684         exec("ruby_system.sqc_cntrl%d = sqc_cntrl" % sqc_ID)
 685         #
 686         # Add controllers and sequencers to the appropriate lists
 687         #
 688         cpu_sequencers.append(sqc_cntrl.sequencer)
 689
 690         # SQC also in GPU cluster
 691         gpuCluster.add(sqc_cntrl)
 692
 693     for i in range(options.num_tccs):
 694
 695         tcc_cntrl = TCCCntrl(l2_response_latency = options.TCC_latency)
 696         tcc_cntrl.create(options, ruby_system, system)
 697         tcc_cntrl.l2_request_latency = options.gpu_to_dir_latency
 698         tcc_cntrl.l2_response_latency = options.TCC_latency
 699         tcc_cntrl_nodes.append(tcc_cntrl)
 700         tcc_cntrl.WB = options.WB_L2
 701         tcc_cntrl.number_of_TBEs = 2560 * options.num_compute_units
 702         # the number_of_TBEs is inclusive of TBEs below
 703
 704         # Connect the TCC controllers to the ruby network
 705         tcc_cntrl.requestFromTCP = MessageBuffer(ordered = True)
 706         tcc_cntrl.requestFromTCP.slave = ruby_system.network.master
 707
 708         tcc_cntrl.responseToCore = MessageBuffer(ordered = True)
 709         tcc_cntrl.responseToCore.master = ruby_system.network.slave
 710
 711         tcc_cntrl.probeFromNB = MessageBuffer()
 712         tcc_cntrl.probeFromNB.slave = ruby_system.network.master
 713
 714         tcc_cntrl.responseFromNB = MessageBuffer()
 715         tcc_cntrl.responseFromNB.slave = ruby_system.network.master
 716
 717         tcc_cntrl.requestToNB = MessageBuffer(ordered = True)
 718         tcc_cntrl.requestToNB.master = ruby_system.network.slave
 719
 720         tcc_cntrl.responseToNB = MessageBuffer()
 721         tcc_cntrl.responseToNB.master = ruby_system.network.slave
 722
 723         tcc_cntrl.unblockToNB = MessageBuffer()
 724         tcc_cntrl.unblockToNB.master = ruby_system.network.slave
 725
 726         tcc_cntrl.triggerQueue = MessageBuffer(ordered = True)
 727
 728         exec("ruby_system.tcc_cntrl%d = tcc_cntrl" % i)
 729
 730         # connect all of the wire buffers between L3 and dirs up
 731         # TCC cntrls added to the GPU cluster
 732         gpuCluster.add(tcc_cntrl)
 733
 734     # Assuming no DMA devices
 735     assert(len(dma_devices) == 0)
 736
 737     # Add cpu/gpu clusters to main cluster
 738     mainCluster.add(cpuCluster)
 739     mainCluster.add(gpuCluster)
 740
 741     ruby_system.network.number_of_virtual_networks = 10
 742
 743     return (cpu_sequencers, dir_cntrl_nodes, mainCluster)