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 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 send_evicts
  39
  40 addToPath('../')
  41
  42 from topologies.Cluster import Cluster
  43
  44 if six.PY3:
  45     long = int
  46
  47 class CntrlBase:
  48     _seqs = 0
  49     @classmethod
  50     def seqCount(cls):
  51         # Use SeqCount not class since we need global count
  52         CntrlBase._seqs += 1
  53         return CntrlBase._seqs - 1
  54
  55     _cntrls = 0
  56     @classmethod
  57     def cntrlCount(cls):
  58         # Use CntlCount not class since we need global count
  59         CntrlBase._cntrls += 1
  60         return CntrlBase._cntrls - 1
  61
  62     _version = 0
  63     @classmethod
  64     def versionCount(cls):
  65         cls._version += 1 # Use count for this particular type
  66         return cls._version - 1
  67
  68 #
  69 # Note: the L1 Cache latency is only used by the sequencer on fast path hits
  70 #
  71 class L1Cache(RubyCache):
  72     resourceStalls = False
  73     dataArrayBanks = 2
  74     tagArrayBanks = 2
  75     dataAccessLatency = 1
  76     tagAccessLatency = 1
  77     def create(self, size, assoc, options):
  78         self.size = MemorySize(size)
  79         self.assoc = assoc
  80         self.replacement_policy = TreePLRURP()
  81
  82 class L2Cache(RubyCache):
  83     resourceStalls = False
  84     assoc = 16
  85     dataArrayBanks = 16
  86     tagArrayBanks = 16
  87     def create(self, size, assoc, options):
  88         self.size = MemorySize(size)
  89         self.assoc = assoc
  90         self.replacement_policy = TreePLRURP()
  91
  92 class CPCntrl(CorePair_Controller, CntrlBase):
  93
  94     def create(self, options, ruby_system, system):
  95         self.version = self.versionCount()
  96
  97         self.L1Icache = L1Cache()
  98         self.L1Icache.create(options.l1i_size, options.l1i_assoc, options)
  99         self.L1D0cache = L1Cache()
 100         self.L1D0cache.create(options.l1d_size, options.l1d_assoc, options)
 101         self.L1D1cache = L1Cache()
 102         self.L1D1cache.create(options.l1d_size, options.l1d_assoc, options)
 103         self.L2cache = L2Cache()
 104         self.L2cache.create(options.l2_size, options.l2_assoc, options)
 105
 106         self.sequencer = RubySequencer()
 107         self.sequencer.version = self.seqCount()
 108         self.sequencer.icache = self.L1Icache
 109         self.sequencer.dcache = self.L1D0cache
 110         self.sequencer.ruby_system = ruby_system
 111         self.sequencer.coreid = 0
 112         self.sequencer.is_cpu_sequencer = True
 113
 114         self.sequencer1 = RubySequencer()
 115         self.sequencer1.version = self.seqCount()
 116         self.sequencer1.icache = self.L1Icache
 117         self.sequencer1.dcache = self.L1D1cache
 118         self.sequencer1.ruby_system = ruby_system
 119         self.sequencer1.coreid = 1
 120         self.sequencer1.is_cpu_sequencer = True
 121
 122         self.issue_latency = 1
 123         self.send_evictions = send_evicts(options)
 124
 125         self.ruby_system = ruby_system
 126
 127         if options.recycle_latency:
 128             self.recycle_latency = options.recycle_latency
 129
 130 class TCPCache(RubyCache):
 131     size = "16kB"
 132     assoc = 16
 133     dataArrayBanks = 16
 134     tagArrayBanks = 16
 135     dataAccessLatency = 4
 136     tagAccessLatency = 1
 137     def create(self, options):
 138         self.size = MemorySize(options.tcp_size)
 139         self.dataArrayBanks = 16
 140         self.tagArrayBanks = 16
 141         self.dataAccessLatency = 4
 142         self.tagAccessLatency = 1
 143         self.resourceStalls = options.no_tcc_resource_stalls
 144         self.replacement_policy = TreePLRURP(num_leaves = self.assoc)
 145
 146 class TCPCntrl(TCP_Controller, CntrlBase):
 147
 148     def create(self, options, ruby_system, system):
 149         self.version = self.versionCount()
 150         self.L1cache = TCPCache(dataAccessLatency = options.TCP_latency)
 151         self.L1cache.create(options)
 152         self.issue_latency = 1
 153
 154         self.coalescer = VIPERCoalescer()
 155         self.coalescer.version = self.seqCount()
 156         self.coalescer.icache = self.L1cache
 157         self.coalescer.dcache = self.L1cache
 158         self.coalescer.ruby_system = ruby_system
 159         self.coalescer.support_inst_reqs = False
 160         self.coalescer.is_cpu_sequencer = False
 161         if options.tcp_deadlock_threshold:
 162           self.coalescer.deadlock_threshold = \
 163             options.tcp_deadlock_threshold
 164         self.coalescer.max_coalesces_per_cycle = \
 165             options.max_coalesces_per_cycle
 166
 167         self.sequencer = RubySequencer()
 168         self.sequencer.version = self.seqCount()
 169         self.sequencer.icache = self.L1cache
 170         self.sequencer.dcache = self.L1cache
 171         self.sequencer.ruby_system = ruby_system
 172         self.sequencer.is_cpu_sequencer = True
 173
 174         self.use_seq_not_coal = False
 175
 176         self.ruby_system = ruby_system
 177         if options.recycle_latency:
 178             self.recycle_latency = options.recycle_latency
 179
 180 class SQCCache(RubyCache):
 181     dataArrayBanks = 8
 182     tagArrayBanks = 8
 183     dataAccessLatency = 1
 184     tagAccessLatency = 1
 185
 186     def create(self, options):
 187         self.size = MemorySize(options.sqc_size)
 188         self.assoc = options.sqc_assoc
 189         self.replacement_policy = TreePLRURP(num_leaves = self.assoc)
 190
 191 class SQCCntrl(SQC_Controller, CntrlBase):
 192
 193     def create(self, options, ruby_system, system):
 194         self.version = self.versionCount()
 195         self.L1cache = SQCCache()
 196         self.L1cache.create(options)
 197         self.L1cache.resourceStalls = False
 198         self.sequencer = RubySequencer()
 199         self.sequencer.version = self.seqCount()
 200         self.sequencer.icache = self.L1cache
 201         self.sequencer.dcache = self.L1cache
 202         self.sequencer.ruby_system = ruby_system
 203         self.sequencer.support_data_reqs = False
 204         self.sequencer.is_cpu_sequencer = False
 205         if options.sqc_deadlock_threshold:
 206           self.sequencer.deadlock_threshold = \
 207             options.sqc_deadlock_threshold
 208
 209         self.ruby_system = ruby_system
 210         if options.recycle_latency:
 211             self.recycle_latency = options.recycle_latency
 212
 213 class TCC(RubyCache):
 214     size = MemorySize("256kB")
 215     assoc = 16
 216     dataAccessLatency = 8
 217     tagAccessLatency = 2
 218     resourceStalls = False
 219     def create(self, options):
 220         self.assoc = options.tcc_assoc
 221         if hasattr(options, 'bw_scalor') and options.bw_scalor > 0:
 222           s = options.num_compute_units
 223           tcc_size = s * 128
 224           tcc_size = str(tcc_size)+'kB'
 225           self.size = MemorySize(tcc_size)
 226           self.dataArrayBanks = 64
 227           self.tagArrayBanks = 64
 228         else:
 229           self.size = MemorySize(options.tcc_size)
 230           self.dataArrayBanks = 256 / options.num_tccs #number of data banks
 231           self.tagArrayBanks = 256 / options.num_tccs #number of tag banks
 232         self.size.value = self.size.value / options.num_tccs
 233         if ((self.size.value / long(self.assoc)) < 128):
 234             self.size.value = long(128 * self.assoc)
 235         self.start_index_bit = math.log(options.cacheline_size, 2) + \
 236                                math.log(options.num_tccs, 2)
 237         self.replacement_policy = TreePLRURP(num_leaves = self.assoc)
 238
 239 class TCCCntrl(TCC_Controller, CntrlBase):
 240     def create(self, options, ruby_system, system):
 241         self.version = self.versionCount()
 242         self.L2cache = TCC()
 243         self.L2cache.create(options)
 244         self.ruby_system = ruby_system
 245         if options.recycle_latency:
 246             self.recycle_latency = options.recycle_latency
 247
 248 class L3Cache(RubyCache):
 249     dataArrayBanks = 16
 250     tagArrayBanks = 16
 251
 252     def create(self, options, ruby_system, system):
 253         self.size = MemorySize(options.l3_size)
 254         self.size.value /= options.num_dirs
 255         self.assoc = options.l3_assoc
 256         self.dataArrayBanks /= options.num_dirs
 257         self.tagArrayBanks /= options.num_dirs
 258         self.dataArrayBanks /= options.num_dirs
 259         self.tagArrayBanks /= options.num_dirs
 260         self.dataAccessLatency = options.l3_data_latency
 261         self.tagAccessLatency = options.l3_tag_latency
 262         self.resourceStalls = False
 263         self.replacement_policy = TreePLRURP(num_leaves = self.assoc)
 264
 265 class L3Cntrl(L3Cache_Controller, CntrlBase):
 266     def create(self, options, ruby_system, system):
 267         self.version = self.versionCount()
 268         self.L3cache = L3Cache()
 269         self.L3cache.create(options, ruby_system, system)
 270         self.l3_response_latency = \
 271             max(self.L3cache.dataAccessLatency, self.L3cache.tagAccessLatency)
 272         self.ruby_system = ruby_system
 273         if options.recycle_latency:
 274             self.recycle_latency = options.recycle_latency
 275
 276     def connectWireBuffers(self, req_to_dir, resp_to_dir, l3_unblock_to_dir,
 277                            req_to_l3, probe_to_l3, resp_to_l3):
 278         self.reqToDir = req_to_dir
 279         self.respToDir = resp_to_dir
 280         self.l3UnblockToDir = l3_unblock_to_dir
 281         self.reqToL3 = req_to_l3
 282         self.probeToL3 = probe_to_l3
 283         self.respToL3 = resp_to_l3
 284
 285 # Directory controller: Contains directory memory, L3 cache and associated
 286 # state machine which is used to accurately redirect a data request to L3 cache
 287 # or memory. The permissions requests do not come to this directory for region
 288 # based protocols as they are handled exclusively by the region directory.
 289 # However, region directory controller uses this directory controller for
 290 # sending probe requests and receiving probe responses.
 291 class DirCntrl(Directory_Controller, CntrlBase):
 292     def create(self, options, dir_ranges, ruby_system, system):
 293         self.version = self.versionCount()
 294         self.response_latency = 25
 295         self.response_latency_regionDir = 1
 296         self.addr_ranges = dir_ranges
 297         self.directory = RubyDirectoryMemory()
 298         self.L3CacheMemory = L3Cache()
 299         self.L3CacheMemory.create(options, ruby_system, system)
 300         self.l3_hit_latency = \
 301             max(self.L3CacheMemory.dataAccessLatency,
 302             self.L3CacheMemory.tagAccessLatency)
 303
 304         self.ruby_system = ruby_system
 305         if options.recycle_latency:
 306             self.recycle_latency = options.recycle_latency
 307
 308     def connectWireBuffers(self, req_to_dir, resp_to_dir, l3_unblock_to_dir,
 309                            req_to_l3, probe_to_l3, resp_to_l3):
 310         self.reqToDir = req_to_dir
 311         self.respToDir = resp_to_dir
 312         self.l3UnblockToDir = l3_unblock_to_dir
 313         self.reqToL3 = req_to_l3
 314         self.probeToL3 = probe_to_l3
 315         self.respToL3 = resp_to_l3
 316
 317 # Region directory : Stores region permissions
 318 class RegionDir(RubyCache):
 319
 320     def create(self, options, ruby_system, system):
 321         self.block_size = "%dB" % (64 * options.blocks_per_region)
 322         self.size = options.region_dir_entries * \
 323             self.block_size * options.num_compute_units
 324         self.assoc = 8
 325         self.tagArrayBanks = 8
 326         self.tagAccessLatency = options.dir_tag_latency
 327         self.dataAccessLatency = 1
 328         self.resourceStalls = options.no_resource_stalls
 329         self.start_index_bit = 6 + int(math.log(options.blocks_per_region, 2))
 330         self.replacement_policy = TreePLRURP(num_leaves = self.assoc)
 331 # Region directory controller : Contains region directory and associated state
 332 # machine for dealing with region coherence requests.
 333 class RegionCntrl(RegionDir_Controller, CntrlBase):
 334     def create(self, options, ruby_system, system):
 335         self.version = self.versionCount()
 336         self.cacheMemory = RegionDir()
 337         self.cacheMemory.create(options, ruby_system, system)
 338         self.blocksPerRegion = options.blocks_per_region
 339         self.toDirLatency = \
 340             max(self.cacheMemory.dataAccessLatency,
 341             self.cacheMemory.tagAccessLatency)
 342         self.ruby_system = ruby_system
 343         self.always_migrate = options.always_migrate
 344         self.sym_migrate = options.symmetric_migrate
 345         self.asym_migrate = options.asymmetric_migrate
 346         if self.always_migrate:
 347             assert(not self.asym_migrate and not self.sym_migrate)
 348         if self.sym_migrate:
 349             assert(not self.always_migrate and not self.asym_migrate)
 350         if self.asym_migrate:
 351             assert(not self.always_migrate and not self.sym_migrate)
 352         if options.recycle_latency:
 353             self.recycle_latency = options.recycle_latency
 354
 355 # Region Buffer: A region directory cache which avoids some potential
 356 # long latency lookup of region directory for getting region permissions
 357 class RegionBuffer(RubyCache):
 358     assoc = 4
 359     dataArrayBanks = 256
 360     tagArrayBanks = 256
 361     dataAccessLatency = 1
 362     tagAccessLatency = 1
 363     resourceStalls = True
 364
 365 class RBCntrl(RegionBuffer_Controller, CntrlBase):
 366     def create(self, options, ruby_system, system):
 367         self.version = self.versionCount()
 368         self.cacheMemory = RegionBuffer()
 369         self.cacheMemory.resourceStalls = options.no_tcc_resource_stalls
 370         self.cacheMemory.dataArrayBanks = 64
 371         self.cacheMemory.tagArrayBanks = 64
 372         self.blocksPerRegion = options.blocks_per_region
 373         self.cacheMemory.block_size = "%dB" % (64 * self.blocksPerRegion)
 374         self.cacheMemory.start_index_bit = \
 375             6 + int(math.log(self.blocksPerRegion, 2))
 376         self.cacheMemory.size = options.region_buffer_entries * \
 377             self.cacheMemory.block_size * options.num_compute_units
 378         self.toDirLatency = options.gpu_to_dir_latency
 379         self.toRegionDirLatency = options.cpu_to_dir_latency
 380         self.noTCCdir = True
 381         TCC_bits = int(math.log(options.num_tccs, 2))
 382         self.TCC_select_num_bits = TCC_bits
 383         self.ruby_system = ruby_system
 384
 385         if options.recycle_latency:
 386             self.recycle_latency = options.recycle_latency
 387         self.cacheMemory.replacement_policy = \
 388             TreePLRURP(num_leaves = self.cacheMemory.assoc)
 389
 390 def define_options(parser):
 391     parser.add_option("--num-subcaches", type="int", default=4)
 392     parser.add_option("--l3-data-latency", type="int", default=20)
 393     parser.add_option("--l3-tag-latency", type="int", default=15)
 394     parser.add_option("--cpu-to-dir-latency", type="int", default=120)
 395     parser.add_option("--gpu-to-dir-latency", type="int", default=60)
 396     parser.add_option("--no-resource-stalls", action="store_false",
 397                       default=True)
 398     parser.add_option("--no-tcc-resource-stalls", action="store_false",
 399                       default=True)
 400     parser.add_option("--num-tbes", type="int", default=32)
 401     parser.add_option("--l2-latency", type="int", default=50) # load to use
 402     parser.add_option("--num-tccs", type="int", default=1,
 403                       help="number of TCC banks in the GPU")
 404
 405     parser.add_option("--sqc-size", type='string', default='32kB',
 406                       help="SQC cache size")
 407     parser.add_option("--sqc-assoc", type='int', default=8,
 408                       help="SQC cache assoc")
 409     parser.add_option("--sqc-deadlock-threshold", type='int',
 410                       help="Set the SQC deadlock threshold to some value")
 411
 412     parser.add_option("--WB_L1", action="store_true",
 413         default=False, help="L2 Writeback Cache")
 414     parser.add_option("--WB_L2", action="store_true",
 415         default=False, help="L2 Writeback Cache")
 416     parser.add_option("--TCP_latency",
 417         type="int", default=4, help="TCP latency")
 418     parser.add_option("--TCC_latency",
 419         type="int", default=16, help="TCC latency")
 420     parser.add_option("--tcc-size", type='string', default='2MB',
 421                       help="agregate tcc size")
 422     parser.add_option("--tcc-assoc", type='int', default=16,
 423                       help="tcc assoc")
 424     parser.add_option("--tcp-size", type='string', default='16kB',
 425                       help="tcp size")
 426     parser.add_option("--tcp-deadlock-threshold", type='int',
 427                       help="Set the TCP deadlock threshold to some value")
 428     parser.add_option("--max-coalesces-per-cycle", type="int", default=1,
 429                       help="Maximum insts that may coalesce in a cycle");
 430
 431     parser.add_option("--dir-tag-latency", type="int", default=4)
 432     parser.add_option("--dir-tag-banks", type="int", default=4)
 433     parser.add_option("--blocks-per-region", type="int", default=16)
 434     parser.add_option("--dir-entries", type="int", default=8192)
 435
 436     # Region buffer is a cache of region directory. Hence region
 437     # directory is inclusive with respect to region directory.
 438     # However, region directory is non-inclusive with respect to
 439     # the caches in the system
 440     parser.add_option("--region-dir-entries", type="int", default=1024)
 441     parser.add_option("--region-buffer-entries", type="int", default=512)
 442
 443     parser.add_option("--always-migrate",
 444         action="store_true", default=False)
 445     parser.add_option("--symmetric-migrate",
 446         action="store_true", default=False)
 447     parser.add_option("--asymmetric-migrate",
 448         action="store_true", default=False)
 449     parser.add_option("--use-L3-on-WT", action="store_true", default=False)
 450
 451 def create_system(options, full_system, system, dma_devices, bootmem,
 452                   ruby_system):
 453     if buildEnv['PROTOCOL'] != 'GPU_VIPER_Region':
 454         panic("This script requires the GPU_VIPER_Region protocol to be built.")
 455
 456     cpu_sequencers = []
 457
 458     #
 459     # The ruby network creation expects the list of nodes in the system to be
 460     # consistent with the NetDest list.  Therefore the l1 controller nodes
 461     # must be listed before the directory nodes and directory nodes before
 462     # dma nodes, etc.
 463     #
 464     dir_cntrl_nodes = []
 465
 466     # For an odd number of CPUs, still create the right number of controllers
 467     TCC_bits = int(math.log(options.num_tccs, 2))
 468
 469     #
 470     # Must create the individual controllers before the network to ensure the
 471     # controller constructors are called before the network constructor
 472     #
 473
 474     # For an odd number of CPUs, still create the right number of controllers
 475     crossbar_bw = 16 * options.num_compute_units #Assuming a 2GHz clock
 476     cpuCluster = Cluster(extBW = (crossbar_bw), intBW=crossbar_bw)
 477     for i in range((options.num_cpus + 1) // 2):
 478
 479         cp_cntrl = CPCntrl()
 480         cp_cntrl.create(options, ruby_system, system)
 481
 482         rb_cntrl = RBCntrl()
 483         rb_cntrl.create(options, ruby_system, system)
 484         rb_cntrl.number_of_TBEs = 256
 485         rb_cntrl.isOnCPU = True
 486
 487         cp_cntrl.regionBufferNum = rb_cntrl.version
 488
 489         exec("system.cp_cntrl%d = cp_cntrl" % i)
 490         exec("system.rb_cntrl%d = rb_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         # Connect the RB controllers to the ruby network
 516         rb_cntrl.requestFromCore = MessageBuffer(ordered = True)
 517         rb_cntrl.requestFromCore.slave = ruby_system.network.master
 518
 519         rb_cntrl.responseFromCore = MessageBuffer()
 520         rb_cntrl.responseFromCore.slave = ruby_system.network.master
 521
 522         rb_cntrl.requestToNetwork = MessageBuffer()
 523         rb_cntrl.requestToNetwork.master = ruby_system.network.slave
 524
 525         rb_cntrl.notifyFromRegionDir = MessageBuffer()
 526         rb_cntrl.notifyFromRegionDir.slave = ruby_system.network.master
 527
 528         rb_cntrl.probeFromRegionDir = MessageBuffer()
 529         rb_cntrl.probeFromRegionDir.slave = ruby_system.network.master
 530
 531         rb_cntrl.unblockFromDir = MessageBuffer()
 532         rb_cntrl.unblockFromDir.slave = ruby_system.network.master
 533
 534         rb_cntrl.responseToRegDir = MessageBuffer()
 535         rb_cntrl.responseToRegDir.master = ruby_system.network.slave
 536
 537         rb_cntrl.triggerQueue = MessageBuffer(ordered = True)
 538
 539         cpuCluster.add(cp_cntrl)
 540         cpuCluster.add(rb_cntrl)
 541
 542     gpuCluster = Cluster(extBW = (crossbar_bw), intBW = crossbar_bw)
 543     for i in range(options.num_compute_units):
 544
 545         tcp_cntrl = TCPCntrl(TCC_select_num_bits = TCC_bits,
 546                              issue_latency = 1,
 547                              number_of_TBEs = 2560)
 548         # TBEs set to max outstanding requests
 549         tcp_cntrl.create(options, ruby_system, system)
 550         tcp_cntrl.WB = options.WB_L1
 551         tcp_cntrl.disableL1 = False
 552
 553         exec("system.tcp_cntrl%d = tcp_cntrl" % i)
 554         #
 555         # Add controllers and sequencers to the appropriate lists
 556         #
 557         cpu_sequencers.append(tcp_cntrl.coalescer)
 558
 559         # Connect the CP (TCP) controllers to the ruby network
 560         tcp_cntrl.requestFromTCP = MessageBuffer(ordered = True)
 561         tcp_cntrl.requestFromTCP.master = ruby_system.network.slave
 562
 563         tcp_cntrl.responseFromTCP = MessageBuffer(ordered = True)
 564         tcp_cntrl.responseFromTCP.master = ruby_system.network.slave
 565
 566         tcp_cntrl.unblockFromCore = MessageBuffer()
 567         tcp_cntrl.unblockFromCore.master = ruby_system.network.slave
 568
 569         tcp_cntrl.probeToTCP = MessageBuffer(ordered = True)
 570         tcp_cntrl.probeToTCP.slave = ruby_system.network.master
 571
 572         tcp_cntrl.responseToTCP = MessageBuffer(ordered = True)
 573         tcp_cntrl.responseToTCP.slave = ruby_system.network.master
 574
 575         tcp_cntrl.mandatoryQueue = MessageBuffer()
 576
 577         gpuCluster.add(tcp_cntrl)
 578
 579     for i in range(options.num_sqc):
 580
 581         sqc_cntrl = SQCCntrl(TCC_select_num_bits = TCC_bits)
 582         sqc_cntrl.create(options, ruby_system, system)
 583
 584         exec("system.sqc_cntrl%d = sqc_cntrl" % i)
 585         #
 586         # Add controllers and sequencers to the appropriate lists
 587         #
 588         cpu_sequencers.append(sqc_cntrl.sequencer)
 589
 590         # Connect the SQC controller to the ruby network
 591         sqc_cntrl.requestFromSQC = MessageBuffer(ordered = True)
 592         sqc_cntrl.requestFromSQC.master = ruby_system.network.slave
 593
 594         sqc_cntrl.probeToSQC = MessageBuffer(ordered = True)
 595         sqc_cntrl.probeToSQC.slave = ruby_system.network.master
 596
 597         sqc_cntrl.responseToSQC = MessageBuffer(ordered = True)
 598         sqc_cntrl.responseToSQC.slave = ruby_system.network.master
 599
 600         sqc_cntrl.mandatoryQueue = MessageBuffer()
 601
 602         # SQC also in GPU cluster
 603         gpuCluster.add(sqc_cntrl)
 604
 605     numa_bit = 6
 606
 607     for i in range(options.num_tccs):
 608
 609         tcc_cntrl = TCCCntrl()
 610         tcc_cntrl.create(options, ruby_system, system)
 611         tcc_cntrl.l2_request_latency = 1
 612         tcc_cntrl.l2_response_latency = options.TCC_latency
 613         tcc_cntrl.WB = options.WB_L2
 614         tcc_cntrl.number_of_TBEs = 2560 * options.num_compute_units
 615
 616         # Connect the TCC controllers to the ruby network
 617         tcc_cntrl.requestFromTCP = MessageBuffer(ordered = True)
 618         tcc_cntrl.requestFromTCP.slave = ruby_system.network.master
 619
 620         tcc_cntrl.responseToCore = MessageBuffer(ordered = True)
 621         tcc_cntrl.responseToCore.master = ruby_system.network.slave
 622
 623         tcc_cntrl.probeFromNB = MessageBuffer()
 624         tcc_cntrl.probeFromNB.slave = ruby_system.network.master
 625
 626         tcc_cntrl.responseFromNB = MessageBuffer()
 627         tcc_cntrl.responseFromNB.slave = ruby_system.network.master
 628
 629         tcc_cntrl.requestToNB = MessageBuffer(ordered = True)
 630         tcc_cntrl.requestToNB.master = ruby_system.network.slave
 631
 632         tcc_cntrl.responseToNB = MessageBuffer()
 633         tcc_cntrl.responseToNB.master = ruby_system.network.slave
 634
 635         tcc_cntrl.unblockToNB = MessageBuffer()
 636         tcc_cntrl.unblockToNB.master = ruby_system.network.slave
 637
 638         tcc_cntrl.triggerQueue = MessageBuffer(ordered = True)
 639
 640         rb_cntrl = RBCntrl()
 641         rb_cntrl.create(options, ruby_system, system)
 642         rb_cntrl.number_of_TBEs = 2560 * options.num_compute_units
 643         rb_cntrl.isOnCPU = False
 644
 645         # Connect the RB controllers to the ruby network
 646         rb_cntrl.requestFromCore = MessageBuffer(ordered = True)
 647         rb_cntrl.requestFromCore.slave = ruby_system.network.master
 648
 649         rb_cntrl.responseFromCore = MessageBuffer()
 650         rb_cntrl.responseFromCore.slave = ruby_system.network.master
 651
 652         rb_cntrl.requestToNetwork = MessageBuffer()
 653         rb_cntrl.requestToNetwork.master = ruby_system.network.slave
 654
 655         rb_cntrl.notifyFromRegionDir = MessageBuffer()
 656         rb_cntrl.notifyFromRegionDir.slave = ruby_system.network.master
 657
 658         rb_cntrl.probeFromRegionDir = MessageBuffer()
 659         rb_cntrl.probeFromRegionDir.slave = ruby_system.network.master
 660
 661         rb_cntrl.unblockFromDir = MessageBuffer()
 662         rb_cntrl.unblockFromDir.slave = ruby_system.network.master
 663
 664         rb_cntrl.responseToRegDir = MessageBuffer()
 665         rb_cntrl.responseToRegDir.master = ruby_system.network.slave
 666
 667         rb_cntrl.triggerQueue = MessageBuffer(ordered = True)
 668
 669         tcc_cntrl.regionBufferNum = rb_cntrl.version
 670
 671         exec("system.tcc_cntrl%d = tcc_cntrl" % i)
 672         exec("system.tcc_rb_cntrl%d = rb_cntrl" % i)
 673
 674         # TCC cntrls added to the GPU cluster
 675         gpuCluster.add(tcc_cntrl)
 676         gpuCluster.add(rb_cntrl)
 677
 678     # Because of wire buffers, num_l3caches must equal num_dirs
 679     # Region coherence only works with 1 dir
 680     assert(options.num_l3caches == options.num_dirs == 1)
 681
 682     # This is the base crossbar that connects the L3s, Dirs, and cpu/gpu
 683     # Clusters
 684     mainCluster = Cluster(intBW = crossbar_bw)
 685
 686     if options.numa_high_bit:
 687         numa_bit = options.numa_high_bit
 688     else:
 689         # if the numa_bit is not specified, set the directory bits as the
 690         # lowest bits above the block offset bits, and the numa_bit as the
 691         # highest of those directory bits
 692         dir_bits = int(math.log(options.num_dirs, 2))
 693         block_size_bits = int(math.log(options.cacheline_size, 2))
 694         numa_bit = block_size_bits + dir_bits - 1
 695
 696     dir_ranges = []
 697     for r in system.mem_ranges:
 698         addr_range = m5.objects.AddrRange(r.start, size = r.size(),
 699                                           intlvHighBit = numa_bit,
 700                                           intlvBits = dir_bits,
 701                                           intlvMatch = i)
 702         dir_ranges.append(addr_range)
 703
 704     dir_cntrl = DirCntrl()
 705     dir_cntrl.create(options, dir_ranges, ruby_system, system)
 706     dir_cntrl.number_of_TBEs = 2560 * options.num_compute_units
 707     dir_cntrl.useL3OnWT = options.use_L3_on_WT
 708
 709     # Connect the Directory controller to the ruby network
 710     dir_cntrl.requestFromCores = MessageBuffer()
 711     dir_cntrl.requestFromCores.slave = ruby_system.network.master
 712
 713     dir_cntrl.responseFromCores = MessageBuffer()
 714     dir_cntrl.responseFromCores.slave = ruby_system.network.master
 715
 716     dir_cntrl.unblockFromCores = MessageBuffer()
 717     dir_cntrl.unblockFromCores.slave = ruby_system.network.master
 718
 719     dir_cntrl.probeToCore = MessageBuffer()
 720     dir_cntrl.probeToCore.master = ruby_system.network.slave
 721
 722     dir_cntrl.responseToCore = MessageBuffer()
 723     dir_cntrl.responseToCore.master = ruby_system.network.slave
 724
 725     dir_cntrl.reqFromRegBuf = MessageBuffer()
 726     dir_cntrl.reqFromRegBuf.slave = ruby_system.network.master
 727
 728     dir_cntrl.reqToRegDir = MessageBuffer(ordered = True)
 729     dir_cntrl.reqToRegDir.master = ruby_system.network.slave
 730
 731     dir_cntrl.reqFromRegDir = MessageBuffer(ordered = True)
 732     dir_cntrl.reqFromRegDir.slave = ruby_system.network.master
 733
 734     dir_cntrl.unblockToRegDir = MessageBuffer()
 735     dir_cntrl.unblockToRegDir.master = ruby_system.network.slave
 736
 737     dir_cntrl.triggerQueue = MessageBuffer(ordered = True)
 738     dir_cntrl.L3triggerQueue = MessageBuffer(ordered = True)
 739     dir_cntrl.requestToMemory = MessageBuffer()
 740     dir_cntrl.responseFromMemory = MessageBuffer()
 741
 742     exec("system.dir_cntrl%d = dir_cntrl" % i)
 743     dir_cntrl_nodes.append(dir_cntrl)
 744
 745     mainCluster.add(dir_cntrl)
 746
 747     reg_cntrl = RegionCntrl(noTCCdir=True,TCC_select_num_bits = TCC_bits)
 748     reg_cntrl.create(options, ruby_system, system)
 749     reg_cntrl.number_of_TBEs = options.num_tbes
 750     reg_cntrl.cpuRegionBufferNum = system.rb_cntrl0.version
 751     reg_cntrl.gpuRegionBufferNum = system.tcc_rb_cntrl0.version
 752
 753     # Connect the Region Dir controllers to the ruby network
 754     reg_cntrl.requestToDir = MessageBuffer(ordered = True)
 755     reg_cntrl.requestToDir.master = ruby_system.network.slave
 756
 757     reg_cntrl.notifyToRBuffer = MessageBuffer()
 758     reg_cntrl.notifyToRBuffer.master = ruby_system.network.slave
 759
 760     reg_cntrl.probeToRBuffer = MessageBuffer()
 761     reg_cntrl.probeToRBuffer.master = ruby_system.network.slave
 762
 763     reg_cntrl.responseFromRBuffer = MessageBuffer()
 764     reg_cntrl.responseFromRBuffer.slave = ruby_system.network.master
 765
 766     reg_cntrl.requestFromRegBuf = MessageBuffer()
 767     reg_cntrl.requestFromRegBuf.slave = ruby_system.network.master
 768
 769     reg_cntrl.triggerQueue = MessageBuffer(ordered = True)
 770
 771     exec("system.reg_cntrl%d = reg_cntrl" % i)
 772
 773     mainCluster.add(reg_cntrl)
 774
 775     # Assuming no DMA devices
 776     assert(len(dma_devices) == 0)
 777
 778     # Add cpu/gpu clusters to main cluster
 779     mainCluster.add(cpuCluster)
 780     mainCluster.add(gpuCluster)
 781
 782     ruby_system.network.number_of_virtual_networks = 10
 783
 784     return (cpu_sequencers, dir_cntrl_nodes, mainCluster)