configs/ruby/GPU_VIPER_Region.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 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 send_evicts
  38
  39 addToPath('../')
  40
  41 from topologies.Cluster import Cluster
  42
  43 class CntrlBase:
  44     _seqs = 0
  45     @classmethod
  46     def seqCount(cls):
  47         # Use SeqCount not class since we need global count
  48         CntrlBase._seqs += 1
  49         return CntrlBase._seqs - 1
  50
  51     _cntrls = 0
  52     @classmethod
  53     def cntrlCount(cls):
  54         # Use CntlCount not class since we need global count
  55         CntrlBase._cntrls += 1
  56         return CntrlBase._cntrls - 1
  57
  58     _version = 0
  59     @classmethod
  60     def versionCount(cls):
  61         cls._version += 1 # Use count for this particular type
  62         return cls._version - 1
  63
  64 #
  65 # Note: the L1 Cache latency is only used by the sequencer on fast path hits
  66 #
  67 class L1Cache(RubyCache):
  68     resourceStalls = False
  69     dataArrayBanks = 2
  70     tagArrayBanks = 2
  71     dataAccessLatency = 1
  72     tagAccessLatency = 1
  73     def create(self, size, assoc, options):
  74         self.size = MemorySize(size)
  75         self.assoc = assoc
  76         self.replacement_policy = TreePLRURP()
  77
  78 class L2Cache(RubyCache):
  79     resourceStalls = False
  80     assoc = 16
  81     dataArrayBanks = 16
  82     tagArrayBanks = 16
  83     def create(self, size, assoc, options):
  84         self.size = MemorySize(size)
  85         self.assoc = assoc
  86         self.replacement_policy = TreePLRURP()
  87
  88 class CPCntrl(CorePair_Controller, CntrlBase):
  89
  90     def create(self, options, ruby_system, system):
  91         self.version = self.versionCount()
  92
  93         self.L1Icache = L1Cache()
  94         self.L1Icache.create(options.l1i_size, options.l1i_assoc, options)
  95         self.L1D0cache = L1Cache()
  96         self.L1D0cache.create(options.l1d_size, options.l1d_assoc, options)
  97         self.L1D1cache = L1Cache()
  98         self.L1D1cache.create(options.l1d_size, options.l1d_assoc, options)
  99         self.L2cache = L2Cache()
 100         self.L2cache.create(options.l2_size, options.l2_assoc, options)
 101
 102         self.sequencer = RubySequencer()
 103         self.sequencer.version = self.seqCount()
 104         self.sequencer.icache = self.L1Icache
 105         self.sequencer.dcache = self.L1D0cache
 106         self.sequencer.ruby_system = ruby_system
 107         self.sequencer.coreid = 0
 108         self.sequencer.is_cpu_sequencer = True
 109
 110         self.sequencer1 = RubySequencer()
 111         self.sequencer1.version = self.seqCount()
 112         self.sequencer1.icache = self.L1Icache
 113         self.sequencer1.dcache = self.L1D1cache
 114         self.sequencer1.ruby_system = ruby_system
 115         self.sequencer1.coreid = 1
 116         self.sequencer1.is_cpu_sequencer = True
 117
 118         self.issue_latency = 1
 119         self.send_evictions = send_evicts(options)
 120
 121         self.ruby_system = ruby_system
 122
 123         if options.recycle_latency:
 124             self.recycle_latency = options.recycle_latency
 125
 126 class TCPCache(RubyCache):
 127     size = "16kB"
 128     assoc = 16
 129     dataArrayBanks = 16
 130     tagArrayBanks = 16
 131     dataAccessLatency = 4
 132     tagAccessLatency = 1
 133     def create(self, options):
 134         self.size = MemorySize(options.tcp_size)
 135         self.dataArrayBanks = 16
 136         self.tagArrayBanks = 16
 137         self.dataAccessLatency = 4
 138         self.tagAccessLatency = 1
 139         self.resourceStalls = options.no_tcc_resource_stalls
 140         self.replacement_policy = TreePLRURP(num_leaves = self.assoc)
 141
 142 class TCPCntrl(TCP_Controller, CntrlBase):
 143
 144     def create(self, options, ruby_system, system):
 145         self.version = self.versionCount()
 146         self.L1cache = TCPCache(dataAccessLatency = options.TCP_latency)
 147         self.L1cache.create(options)
 148         self.issue_latency = 1
 149
 150         self.coalescer = VIPERCoalescer()
 151         self.coalescer.version = self.seqCount()
 152         self.coalescer.icache = self.L1cache
 153         self.coalescer.dcache = self.L1cache
 154         self.coalescer.ruby_system = ruby_system
 155         self.coalescer.support_inst_reqs = False
 156         self.coalescer.is_cpu_sequencer = False
 157
 158         self.sequencer = RubySequencer()
 159         self.sequencer.version = self.seqCount()
 160         self.sequencer.icache = self.L1cache
 161         self.sequencer.dcache = self.L1cache
 162         self.sequencer.ruby_system = ruby_system
 163         self.sequencer.is_cpu_sequencer = True
 164
 165         self.use_seq_not_coal = False
 166
 167         self.ruby_system = ruby_system
 168         if options.recycle_latency:
 169             self.recycle_latency = options.recycle_latency
 170
 171 class SQCCache(RubyCache):
 172     dataArrayBanks = 8
 173     tagArrayBanks = 8
 174     dataAccessLatency = 1
 175     tagAccessLatency = 1
 176
 177     def create(self, options):
 178         self.size = MemorySize(options.sqc_size)
 179         self.assoc = options.sqc_assoc
 180         self.replacement_policy = TreePLRURP(num_leaves = self.assoc)
 181
 182 class SQCCntrl(SQC_Controller, CntrlBase):
 183
 184     def create(self, options, ruby_system, system):
 185         self.version = self.versionCount()
 186         self.L1cache = SQCCache()
 187         self.L1cache.create(options)
 188         self.L1cache.resourceStalls = False
 189         self.sequencer = RubySequencer()
 190         self.sequencer.version = self.seqCount()
 191         self.sequencer.icache = self.L1cache
 192         self.sequencer.dcache = self.L1cache
 193         self.sequencer.ruby_system = ruby_system
 194         self.sequencer.support_data_reqs = False
 195         self.sequencer.is_cpu_sequencer = False
 196         self.ruby_system = ruby_system
 197         if options.recycle_latency:
 198             self.recycle_latency = options.recycle_latency
 199
 200 class TCC(RubyCache):
 201     size = MemorySize("256kB")
 202     assoc = 16
 203     dataAccessLatency = 8
 204     tagAccessLatency = 2
 205     resourceStalls = False
 206     def create(self, options):
 207         self.assoc = options.tcc_assoc
 208         if hasattr(options, 'bw_scalor') and options.bw_scalor > 0:
 209           s = options.num_compute_units
 210           tcc_size = s * 128
 211           tcc_size = str(tcc_size)+'kB'
 212           self.size = MemorySize(tcc_size)
 213           self.dataArrayBanks = 64
 214           self.tagArrayBanks = 64
 215         else:
 216           self.size = MemorySize(options.tcc_size)
 217           self.dataArrayBanks = 256 / options.num_tccs #number of data banks
 218           self.tagArrayBanks = 256 / options.num_tccs #number of tag banks
 219         self.size.value = self.size.value / options.num_tccs
 220         if ((self.size.value / long(self.assoc)) < 128):
 221             self.size.value = long(128 * self.assoc)
 222         self.start_index_bit = math.log(options.cacheline_size, 2) + \
 223                                math.log(options.num_tccs, 2)
 224         self.replacement_policy = TreePLRURP(num_leaves = self.assoc)
 225
 226 class TCCCntrl(TCC_Controller, CntrlBase):
 227     def create(self, options, ruby_system, system):
 228         self.version = self.versionCount()
 229         self.L2cache = TCC()
 230         self.L2cache.create(options)
 231         self.ruby_system = ruby_system
 232         if options.recycle_latency:
 233             self.recycle_latency = options.recycle_latency
 234
 235 class L3Cache(RubyCache):
 236     dataArrayBanks = 16
 237     tagArrayBanks = 16
 238
 239     def create(self, options, ruby_system, system):
 240         self.size = MemorySize(options.l3_size)
 241         self.size.value /= options.num_dirs
 242         self.assoc = options.l3_assoc
 243         self.dataArrayBanks /= options.num_dirs
 244         self.tagArrayBanks /= options.num_dirs
 245         self.dataArrayBanks /= options.num_dirs
 246         self.tagArrayBanks /= options.num_dirs
 247         self.dataAccessLatency = options.l3_data_latency
 248         self.tagAccessLatency = options.l3_tag_latency
 249         self.resourceStalls = False
 250         self.replacement_policy = TreePLRURP(num_leaves = self.assoc)
 251
 252 class L3Cntrl(L3Cache_Controller, CntrlBase):
 253     def create(self, options, ruby_system, system):
 254         self.version = self.versionCount()
 255         self.L3cache = L3Cache()
 256         self.L3cache.create(options, ruby_system, system)
 257         self.l3_response_latency = \
 258             max(self.L3cache.dataAccessLatency, self.L3cache.tagAccessLatency)
 259         self.ruby_system = ruby_system
 260         if options.recycle_latency:
 261             self.recycle_latency = options.recycle_latency
 262
 263     def connectWireBuffers(self, req_to_dir, resp_to_dir, l3_unblock_to_dir,
 264                            req_to_l3, probe_to_l3, resp_to_l3):
 265         self.reqToDir = req_to_dir
 266         self.respToDir = resp_to_dir
 267         self.l3UnblockToDir = l3_unblock_to_dir
 268         self.reqToL3 = req_to_l3
 269         self.probeToL3 = probe_to_l3
 270         self.respToL3 = resp_to_l3
 271
 272 # Directory memory: Directory memory of infinite size which is
 273 # used by directory controller to store the "states" of the
 274 # state machine. The state machine is implemented per cache block
 275 class DirMem(RubyDirectoryMemory, CntrlBase):
 276     def create(self, options, ruby_system, system):
 277         self.version = self.versionCount()
 278         phys_mem_size = AddrRange(options.mem_size).size()
 279         mem_module_size = phys_mem_size / options.num_dirs
 280         dir_size = MemorySize('0B')
 281         dir_size.value = mem_module_size
 282         self.size = dir_size
 283
 284 # Directory controller: Contains directory memory, L3 cache and associated state
 285 # machine which is used to accurately redirect a data request to L3 cache or to
 286 # memory. The permissions requests do not come to this directory for region
 287 # based protocols as they are handled exclusively by the region directory.
 288 # However, region directory controller uses this directory controller for
 289 # sending probe requests and receiving probe responses.
 290 class DirCntrl(Directory_Controller, CntrlBase):
 291     def create(self, options, ruby_system, system):
 292         self.version = self.versionCount()
 293         self.response_latency = 25
 294         self.response_latency_regionDir = 1
 295         self.directory = DirMem()
 296         self.directory.create(options, ruby_system, system)
 297         self.L3CacheMemory = L3Cache()
 298         self.L3CacheMemory.create(options, ruby_system, system)
 299         self.l3_hit_latency = \
 300             max(self.L3CacheMemory.dataAccessLatency,
 301             self.L3CacheMemory.tagAccessLatency)
 302
 303         self.ruby_system = ruby_system
 304         if options.recycle_latency:
 305             self.recycle_latency = options.recycle_latency
 306
 307     def connectWireBuffers(self, req_to_dir, resp_to_dir, l3_unblock_to_dir,
 308                            req_to_l3, probe_to_l3, resp_to_l3):
 309         self.reqToDir = req_to_dir
 310         self.respToDir = resp_to_dir
 311         self.l3UnblockToDir = l3_unblock_to_dir
 312         self.reqToL3 = req_to_l3
 313         self.probeToL3 = probe_to_l3
 314         self.respToL3 = resp_to_l3
 315
 316 # Region directory : Stores region permissions
 317 class RegionDir(RubyCache):
 318
 319     def create(self, options, ruby_system, system):
 320         self.block_size = "%dB" % (64 * options.blocks_per_region)
 321         self.size = options.region_dir_entries * \
 322             self.block_size * options.num_compute_units
 323         self.assoc = 8
 324         self.tagArrayBanks = 8
 325         self.tagAccessLatency = options.dir_tag_latency
 326         self.dataAccessLatency = 1
 327         self.resourceStalls = options.no_resource_stalls
 328         self.start_index_bit = 6 + int(math.log(options.blocks_per_region, 2))
 329         self.replacement_policy = TreePLRURP(num_leaves = self.assoc)
 330 # Region directory controller : Contains region directory and associated state
 331 # machine for dealing with region coherence requests.
 332 class RegionCntrl(RegionDir_Controller, CntrlBase):
 333     def create(self, options, ruby_system, system):
 334         self.version = self.versionCount()
 335         self.cacheMemory = RegionDir()
 336         self.cacheMemory.create(options, ruby_system, system)
 337         self.blocksPerRegion = options.blocks_per_region
 338         self.toDirLatency = \
 339             max(self.cacheMemory.dataAccessLatency,
 340             self.cacheMemory.tagAccessLatency)
 341         self.ruby_system = ruby_system
 342         self.always_migrate = options.always_migrate
 343         self.sym_migrate = options.symmetric_migrate
 344         self.asym_migrate = options.asymmetric_migrate
 345         if self.always_migrate:
 346             assert(not self.asym_migrate and not self.sym_migrate)
 347         if self.sym_migrate:
 348             assert(not self.always_migrate and not self.asym_migrate)
 349         if self.asym_migrate:
 350             assert(not self.always_migrate and not self.sym_migrate)
 351         if options.recycle_latency:
 352             self.recycle_latency = options.recycle_latency
 353
 354 # Region Buffer: A region directory cache which avoids some potential
 355 # long latency lookup of region directory for getting region permissions
 356 class RegionBuffer(RubyCache):
 357     assoc = 4
 358     dataArrayBanks = 256
 359     tagArrayBanks = 256
 360     dataAccessLatency = 1
 361     tagAccessLatency = 1
 362     resourceStalls = True
 363
 364 class RBCntrl(RegionBuffer_Controller, CntrlBase):
 365     def create(self, options, ruby_system, system):
 366         self.version = self.versionCount()
 367         self.cacheMemory = RegionBuffer()
 368         self.cacheMemory.resourceStalls = options.no_tcc_resource_stalls
 369         self.cacheMemory.dataArrayBanks = 64
 370         self.cacheMemory.tagArrayBanks = 64
 371         self.blocksPerRegion = options.blocks_per_region
 372         self.cacheMemory.block_size = "%dB" % (64 * self.blocksPerRegion)
 373         self.cacheMemory.start_index_bit = \
 374             6 + int(math.log(self.blocksPerRegion, 2))
 375         self.cacheMemory.size = options.region_buffer_entries * \
 376             self.cacheMemory.block_size * options.num_compute_units
 377         self.toDirLatency = options.gpu_to_dir_latency
 378         self.toRegionDirLatency = options.cpu_to_dir_latency
 379         self.noTCCdir = True
 380         TCC_bits = int(math.log(options.num_tccs, 2))
 381         self.TCC_select_num_bits = TCC_bits
 382         self.ruby_system = ruby_system
 383
 384         if options.recycle_latency:
 385             self.recycle_latency = options.recycle_latency
 386         self.cacheMemory.replacement_policy = \
 387             TreePLRURP(num_leaves = self.cacheMemory.assoc)
 388
 389 def define_options(parser):
 390     parser.add_option("--num-subcaches", type="int", default=4)
 391     parser.add_option("--l3-data-latency", type="int", default=20)
 392     parser.add_option("--l3-tag-latency", type="int", default=15)
 393     parser.add_option("--cpu-to-dir-latency", type="int", default=120)
 394     parser.add_option("--gpu-to-dir-latency", type="int", default=60)
 395     parser.add_option("--no-resource-stalls", action="store_false",
 396                       default=True)
 397     parser.add_option("--no-tcc-resource-stalls", action="store_false",
 398                       default=True)
 399     parser.add_option("--num-tbes", type="int", default=32)
 400     parser.add_option("--l2-latency", type="int", default=50) # load to use
 401     parser.add_option("--num-tccs", type="int", default=1,
 402                       help="number of TCC banks in the GPU")
 403
 404     parser.add_option("--sqc-size", type='string', default='32kB',
 405                       help="SQC cache size")
 406     parser.add_option("--sqc-assoc", type='int', default=8,
 407                       help="SQC cache assoc")
 408
 409     parser.add_option("--WB_L1", action="store_true",
 410         default=False, help="L2 Writeback Cache")
 411     parser.add_option("--WB_L2", action="store_true",
 412         default=False, help="L2 Writeback Cache")
 413     parser.add_option("--TCP_latency",
 414         type="int", default=4, help="TCP latency")
 415     parser.add_option("--TCC_latency",
 416         type="int", default=16, help="TCC latency")
 417     parser.add_option("--tcc-size", type='string', default='2MB',
 418                       help="agregate tcc size")
 419     parser.add_option("--tcc-assoc", type='int', default=16,
 420                       help="tcc assoc")
 421     parser.add_option("--tcp-size", type='string', default='16kB',
 422                       help="tcp size")
 423
 424     parser.add_option("--dir-tag-latency", type="int", default=4)
 425     parser.add_option("--dir-tag-banks", type="int", default=4)
 426     parser.add_option("--blocks-per-region", type="int", default=16)
 427     parser.add_option("--dir-entries", type="int", default=8192)
 428
 429     # Region buffer is a cache of region directory. Hence region
 430     # directory is inclusive with respect to region directory.
 431     # However, region directory is non-inclusive with respect to
 432     # the caches in the system
 433     parser.add_option("--region-dir-entries", type="int", default=1024)
 434     parser.add_option("--region-buffer-entries", type="int", default=512)
 435
 436     parser.add_option("--always-migrate",
 437         action="store_true", default=False)
 438     parser.add_option("--symmetric-migrate",
 439         action="store_true", default=False)
 440     parser.add_option("--asymmetric-migrate",
 441         action="store_true", default=False)
 442     parser.add_option("--use-L3-on-WT", action="store_true", default=False)
 443
 444 def create_system(options, full_system, system, dma_devices, bootmem,
 445                   ruby_system):
 446     if buildEnv['PROTOCOL'] != 'GPU_VIPER_Region':
 447         panic("This script requires the GPU_VIPER_Region protocol to be built.")
 448
 449     cpu_sequencers = []
 450
 451     #
 452     # The ruby network creation expects the list of nodes in the system to be
 453     # consistent with the NetDest list.  Therefore the l1 controller nodes
 454     # must be listed before the directory nodes and directory nodes before
 455     # dma nodes, etc.
 456     #
 457     dir_cntrl_nodes = []
 458
 459     # For an odd number of CPUs, still create the right number of controllers
 460     TCC_bits = int(math.log(options.num_tccs, 2))
 461
 462     #
 463     # Must create the individual controllers before the network to ensure the
 464     # controller constructors are called before the network constructor
 465     #
 466
 467     # For an odd number of CPUs, still create the right number of controllers
 468     crossbar_bw = 16 * options.num_compute_units #Assuming a 2GHz clock
 469     cpuCluster = Cluster(extBW = (crossbar_bw), intBW=crossbar_bw)
 470     for i in range((options.num_cpus + 1) // 2):
 471
 472         cp_cntrl = CPCntrl()
 473         cp_cntrl.create(options, ruby_system, system)
 474
 475         rb_cntrl = RBCntrl()
 476         rb_cntrl.create(options, ruby_system, system)
 477         rb_cntrl.number_of_TBEs = 256
 478         rb_cntrl.isOnCPU = True
 479
 480         cp_cntrl.regionBufferNum = rb_cntrl.version
 481
 482         exec("system.cp_cntrl%d = cp_cntrl" % i)
 483         exec("system.rb_cntrl%d = rb_cntrl" % i)
 484         #
 485         # Add controllers and sequencers to the appropriate lists
 486         #
 487         cpu_sequencers.extend([cp_cntrl.sequencer, cp_cntrl.sequencer1])
 488
 489         # Connect the CP controllers and the network
 490         cp_cntrl.requestFromCore = MessageBuffer()
 491         cp_cntrl.requestFromCore.master = ruby_system.network.slave
 492
 493         cp_cntrl.responseFromCore = MessageBuffer()
 494         cp_cntrl.responseFromCore.master = ruby_system.network.slave
 495
 496         cp_cntrl.unblockFromCore = MessageBuffer()
 497         cp_cntrl.unblockFromCore.master = ruby_system.network.slave
 498
 499         cp_cntrl.probeToCore = MessageBuffer()
 500         cp_cntrl.probeToCore.slave = ruby_system.network.master
 501
 502         cp_cntrl.responseToCore = MessageBuffer()
 503         cp_cntrl.responseToCore.slave = ruby_system.network.master
 504
 505         cp_cntrl.mandatoryQueue = MessageBuffer()
 506         cp_cntrl.triggerQueue = MessageBuffer(ordered = True)
 507
 508         # Connect the RB controllers to the ruby network
 509         rb_cntrl.requestFromCore = MessageBuffer(ordered = True)
 510         rb_cntrl.requestFromCore.slave = ruby_system.network.master
 511
 512         rb_cntrl.responseFromCore = MessageBuffer()
 513         rb_cntrl.responseFromCore.slave = ruby_system.network.master
 514
 515         rb_cntrl.requestToNetwork = MessageBuffer()
 516         rb_cntrl.requestToNetwork.master = ruby_system.network.slave
 517
 518         rb_cntrl.notifyFromRegionDir = MessageBuffer()
 519         rb_cntrl.notifyFromRegionDir.slave = ruby_system.network.master
 520
 521         rb_cntrl.probeFromRegionDir = MessageBuffer()
 522         rb_cntrl.probeFromRegionDir.slave = ruby_system.network.master
 523
 524         rb_cntrl.unblockFromDir = MessageBuffer()
 525         rb_cntrl.unblockFromDir.slave = ruby_system.network.master
 526
 527         rb_cntrl.responseToRegDir = MessageBuffer()
 528         rb_cntrl.responseToRegDir.master = ruby_system.network.slave
 529
 530         rb_cntrl.triggerQueue = MessageBuffer(ordered = True)
 531
 532         cpuCluster.add(cp_cntrl)
 533         cpuCluster.add(rb_cntrl)
 534
 535     gpuCluster = Cluster(extBW = (crossbar_bw), intBW = crossbar_bw)
 536     for i in range(options.num_compute_units):
 537
 538         tcp_cntrl = TCPCntrl(TCC_select_num_bits = TCC_bits,
 539                              issue_latency = 1,
 540                              number_of_TBEs = 2560)
 541         # TBEs set to max outstanding requests
 542         tcp_cntrl.create(options, ruby_system, system)
 543         tcp_cntrl.WB = options.WB_L1
 544         tcp_cntrl.disableL1 = False
 545
 546         exec("system.tcp_cntrl%d = tcp_cntrl" % i)
 547         #
 548         # Add controllers and sequencers to the appropriate lists
 549         #
 550         cpu_sequencers.append(tcp_cntrl.coalescer)
 551
 552         # Connect the CP (TCP) controllers to the ruby network
 553         tcp_cntrl.requestFromTCP = MessageBuffer(ordered = True)
 554         tcp_cntrl.requestFromTCP.master = ruby_system.network.slave
 555
 556         tcp_cntrl.responseFromTCP = MessageBuffer(ordered = True)
 557         tcp_cntrl.responseFromTCP.master = ruby_system.network.slave
 558
 559         tcp_cntrl.unblockFromCore = MessageBuffer()
 560         tcp_cntrl.unblockFromCore.master = ruby_system.network.slave
 561
 562         tcp_cntrl.probeToTCP = MessageBuffer(ordered = True)
 563         tcp_cntrl.probeToTCP.slave = ruby_system.network.master
 564
 565         tcp_cntrl.responseToTCP = MessageBuffer(ordered = True)
 566         tcp_cntrl.responseToTCP.slave = ruby_system.network.master
 567
 568         tcp_cntrl.mandatoryQueue = MessageBuffer()
 569
 570         gpuCluster.add(tcp_cntrl)
 571
 572     for i in range(options.num_sqc):
 573
 574         sqc_cntrl = SQCCntrl(TCC_select_num_bits = TCC_bits)
 575         sqc_cntrl.create(options, ruby_system, system)
 576
 577         exec("system.sqc_cntrl%d = sqc_cntrl" % i)
 578         #
 579         # Add controllers and sequencers to the appropriate lists
 580         #
 581         cpu_sequencers.append(sqc_cntrl.sequencer)
 582
 583         # Connect the SQC controller to the ruby network
 584         sqc_cntrl.requestFromSQC = MessageBuffer(ordered = True)
 585         sqc_cntrl.requestFromSQC.master = ruby_system.network.slave
 586
 587         sqc_cntrl.probeToSQC = MessageBuffer(ordered = True)
 588         sqc_cntrl.probeToSQC.slave = ruby_system.network.master
 589
 590         sqc_cntrl.responseToSQC = MessageBuffer(ordered = True)
 591         sqc_cntrl.responseToSQC.slave = ruby_system.network.master
 592
 593         sqc_cntrl.mandatoryQueue = MessageBuffer()
 594
 595         # SQC also in GPU cluster
 596         gpuCluster.add(sqc_cntrl)
 597
 598     numa_bit = 6
 599
 600     for i in range(options.num_tccs):
 601
 602         tcc_cntrl = TCCCntrl()
 603         tcc_cntrl.create(options, ruby_system, system)
 604         tcc_cntrl.l2_request_latency = 1
 605         tcc_cntrl.l2_response_latency = options.TCC_latency
 606         tcc_cntrl.WB = options.WB_L2
 607         tcc_cntrl.number_of_TBEs = 2560 * options.num_compute_units
 608
 609         # Connect the TCC controllers to the ruby network
 610         tcc_cntrl.requestFromTCP = MessageBuffer(ordered = True)
 611         tcc_cntrl.requestFromTCP.slave = ruby_system.network.master
 612
 613         tcc_cntrl.responseToCore = MessageBuffer(ordered = True)
 614         tcc_cntrl.responseToCore.master = ruby_system.network.slave
 615
 616         tcc_cntrl.probeFromNB = MessageBuffer()
 617         tcc_cntrl.probeFromNB.slave = ruby_system.network.master
 618
 619         tcc_cntrl.responseFromNB = MessageBuffer()
 620         tcc_cntrl.responseFromNB.slave = ruby_system.network.master
 621
 622         tcc_cntrl.requestToNB = MessageBuffer(ordered = True)
 623         tcc_cntrl.requestToNB.master = ruby_system.network.slave
 624
 625         tcc_cntrl.responseToNB = MessageBuffer()
 626         tcc_cntrl.responseToNB.master = ruby_system.network.slave
 627
 628         tcc_cntrl.unblockToNB = MessageBuffer()
 629         tcc_cntrl.unblockToNB.master = ruby_system.network.slave
 630
 631         tcc_cntrl.triggerQueue = MessageBuffer(ordered = True)
 632
 633         rb_cntrl = RBCntrl()
 634         rb_cntrl.create(options, ruby_system, system)
 635         rb_cntrl.number_of_TBEs = 2560 * options.num_compute_units
 636         rb_cntrl.isOnCPU = False
 637
 638         # Connect the RB controllers to the ruby network
 639         rb_cntrl.requestFromCore = MessageBuffer(ordered = True)
 640         rb_cntrl.requestFromCore.slave = ruby_system.network.master
 641
 642         rb_cntrl.responseFromCore = MessageBuffer()
 643         rb_cntrl.responseFromCore.slave = ruby_system.network.master
 644
 645         rb_cntrl.requestToNetwork = MessageBuffer()
 646         rb_cntrl.requestToNetwork.master = ruby_system.network.slave
 647
 648         rb_cntrl.notifyFromRegionDir = MessageBuffer()
 649         rb_cntrl.notifyFromRegionDir.slave = ruby_system.network.master
 650
 651         rb_cntrl.probeFromRegionDir = MessageBuffer()
 652         rb_cntrl.probeFromRegionDir.slave = ruby_system.network.master
 653
 654         rb_cntrl.unblockFromDir = MessageBuffer()
 655         rb_cntrl.unblockFromDir.slave = ruby_system.network.master
 656
 657         rb_cntrl.responseToRegDir = MessageBuffer()
 658         rb_cntrl.responseToRegDir.master = ruby_system.network.slave
 659
 660         rb_cntrl.triggerQueue = MessageBuffer(ordered = True)
 661
 662         tcc_cntrl.regionBufferNum = rb_cntrl.version
 663
 664         exec("system.tcc_cntrl%d = tcc_cntrl" % i)
 665         exec("system.tcc_rb_cntrl%d = rb_cntrl" % i)
 666
 667         # TCC cntrls added to the GPU cluster
 668         gpuCluster.add(tcc_cntrl)
 669         gpuCluster.add(rb_cntrl)
 670
 671     # Because of wire buffers, num_l3caches must equal num_dirs
 672     # Region coherence only works with 1 dir
 673     assert(options.num_l3caches == options.num_dirs == 1)
 674
 675     # This is the base crossbar that connects the L3s, Dirs, and cpu/gpu
 676     # Clusters
 677     mainCluster = Cluster(intBW = crossbar_bw)
 678
 679     dir_cntrl = DirCntrl()
 680     dir_cntrl.create(options, ruby_system, system)
 681     dir_cntrl.number_of_TBEs = 2560 * options.num_compute_units
 682     dir_cntrl.useL3OnWT = options.use_L3_on_WT
 683
 684     # Connect the Directory controller to the ruby network
 685     dir_cntrl.requestFromCores = MessageBuffer()
 686     dir_cntrl.requestFromCores.slave = ruby_system.network.master
 687
 688     dir_cntrl.responseFromCores = MessageBuffer()
 689     dir_cntrl.responseFromCores.slave = ruby_system.network.master
 690
 691     dir_cntrl.unblockFromCores = MessageBuffer()
 692     dir_cntrl.unblockFromCores.slave = ruby_system.network.master
 693
 694     dir_cntrl.probeToCore = MessageBuffer()
 695     dir_cntrl.probeToCore.master = ruby_system.network.slave
 696
 697     dir_cntrl.responseToCore = MessageBuffer()
 698     dir_cntrl.responseToCore.master = ruby_system.network.slave
 699
 700     dir_cntrl.reqFromRegBuf = MessageBuffer()
 701     dir_cntrl.reqFromRegBuf.slave = ruby_system.network.master
 702
 703     dir_cntrl.reqToRegDir = MessageBuffer(ordered = True)
 704     dir_cntrl.reqToRegDir.master = ruby_system.network.slave
 705
 706     dir_cntrl.reqFromRegDir = MessageBuffer(ordered = True)
 707     dir_cntrl.reqFromRegDir.slave = ruby_system.network.master
 708
 709     dir_cntrl.unblockToRegDir = MessageBuffer()
 710     dir_cntrl.unblockToRegDir.master = ruby_system.network.slave
 711
 712     dir_cntrl.triggerQueue = MessageBuffer(ordered = True)
 713     dir_cntrl.L3triggerQueue = MessageBuffer(ordered = True)
 714     dir_cntrl.responseFromMemory = MessageBuffer()
 715
 716     exec("system.dir_cntrl%d = dir_cntrl" % i)
 717     dir_cntrl_nodes.append(dir_cntrl)
 718
 719     mainCluster.add(dir_cntrl)
 720
 721     reg_cntrl = RegionCntrl(noTCCdir=True,TCC_select_num_bits = TCC_bits)
 722     reg_cntrl.create(options, ruby_system, system)
 723     reg_cntrl.number_of_TBEs = options.num_tbes
 724     reg_cntrl.cpuRegionBufferNum = system.rb_cntrl0.version
 725     reg_cntrl.gpuRegionBufferNum = system.tcc_rb_cntrl0.version
 726
 727     # Connect the Region Dir controllers to the ruby network
 728     reg_cntrl.requestToDir = MessageBuffer(ordered = True)
 729     reg_cntrl.requestToDir.master = ruby_system.network.slave
 730
 731     reg_cntrl.notifyToRBuffer = MessageBuffer()
 732     reg_cntrl.notifyToRBuffer.master = ruby_system.network.slave
 733
 734     reg_cntrl.probeToRBuffer = MessageBuffer()
 735     reg_cntrl.probeToRBuffer.master = ruby_system.network.slave
 736
 737     reg_cntrl.responseFromRBuffer = MessageBuffer()
 738     reg_cntrl.responseFromRBuffer.slave = ruby_system.network.master
 739
 740     reg_cntrl.requestFromRegBuf = MessageBuffer()
 741     reg_cntrl.requestFromRegBuf.slave = ruby_system.network.master
 742
 743     reg_cntrl.triggerQueue = MessageBuffer(ordered = True)
 744
 745     exec("system.reg_cntrl%d = reg_cntrl" % i)
 746
 747     mainCluster.add(reg_cntrl)
 748
 749     # Assuming no DMA devices
 750     assert(len(dma_devices) == 0)
 751
 752     # Add cpu/gpu clusters to main cluster
 753     mainCluster.add(cpuCluster)
 754     mainCluster.add(gpuCluster)
 755
 756     ruby_system.network.number_of_virtual_networks = 10
 757
 758     return (cpu_sequencers, dir_cntrl_nodes, mainCluster)