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 memory: Directory memory of infinite size which is
 286 # used by directory controller to store the "states" of the
 287 # state machine. The state machine is implemented per cache block
 288 class DirMem(RubyDirectoryMemory, CntrlBase):
 289     def create(self, options, ruby_system, system):
 290         self.version = self.versionCount()
 291         phys_mem_size = AddrRange(options.mem_size).size()
 292         mem_module_size = phys_mem_size / options.num_dirs
 293         dir_size = MemorySize('0B')
 294         dir_size.value = mem_module_size
 295         self.size = dir_size
 296
 297 # Directory controller: Contains directory memory, L3 cache and associated state
 298 # machine which is used to accurately redirect a data request to L3 cache or to
 299 # memory. The permissions requests do not come to this directory for region
 300 # based protocols as they are handled exclusively by the region directory.
 301 # However, region directory controller uses this directory controller for
 302 # sending probe requests and receiving probe responses.
 303 class DirCntrl(Directory_Controller, CntrlBase):
 304     def create(self, options, ruby_system, system):
 305         self.version = self.versionCount()
 306         self.response_latency = 25
 307         self.response_latency_regionDir = 1
 308         self.directory = DirMem()
 309         self.directory.create(options, ruby_system, system)
 310         self.L3CacheMemory = L3Cache()
 311         self.L3CacheMemory.create(options, ruby_system, system)
 312         self.l3_hit_latency = \
 313             max(self.L3CacheMemory.dataAccessLatency,
 314             self.L3CacheMemory.tagAccessLatency)
 315
 316         self.ruby_system = ruby_system
 317         if options.recycle_latency:
 318             self.recycle_latency = options.recycle_latency
 319
 320     def connectWireBuffers(self, req_to_dir, resp_to_dir, l3_unblock_to_dir,
 321                            req_to_l3, probe_to_l3, resp_to_l3):
 322         self.reqToDir = req_to_dir
 323         self.respToDir = resp_to_dir
 324         self.l3UnblockToDir = l3_unblock_to_dir
 325         self.reqToL3 = req_to_l3
 326         self.probeToL3 = probe_to_l3
 327         self.respToL3 = resp_to_l3
 328
 329 # Region directory : Stores region permissions
 330 class RegionDir(RubyCache):
 331
 332     def create(self, options, ruby_system, system):
 333         self.block_size = "%dB" % (64 * options.blocks_per_region)
 334         self.size = options.region_dir_entries * \
 335             self.block_size * options.num_compute_units
 336         self.assoc = 8
 337         self.tagArrayBanks = 8
 338         self.tagAccessLatency = options.dir_tag_latency
 339         self.dataAccessLatency = 1
 340         self.resourceStalls = options.no_resource_stalls
 341         self.start_index_bit = 6 + int(math.log(options.blocks_per_region, 2))
 342         self.replacement_policy = TreePLRURP(num_leaves = self.assoc)
 343 # Region directory controller : Contains region directory and associated state
 344 # machine for dealing with region coherence requests.
 345 class RegionCntrl(RegionDir_Controller, CntrlBase):
 346     def create(self, options, ruby_system, system):
 347         self.version = self.versionCount()
 348         self.cacheMemory = RegionDir()
 349         self.cacheMemory.create(options, ruby_system, system)
 350         self.blocksPerRegion = options.blocks_per_region
 351         self.toDirLatency = \
 352             max(self.cacheMemory.dataAccessLatency,
 353             self.cacheMemory.tagAccessLatency)
 354         self.ruby_system = ruby_system
 355         self.always_migrate = options.always_migrate
 356         self.sym_migrate = options.symmetric_migrate
 357         self.asym_migrate = options.asymmetric_migrate
 358         if self.always_migrate:
 359             assert(not self.asym_migrate and not self.sym_migrate)
 360         if self.sym_migrate:
 361             assert(not self.always_migrate and not self.asym_migrate)
 362         if self.asym_migrate:
 363             assert(not self.always_migrate and not self.sym_migrate)
 364         if options.recycle_latency:
 365             self.recycle_latency = options.recycle_latency
 366
 367 # Region Buffer: A region directory cache which avoids some potential
 368 # long latency lookup of region directory for getting region permissions
 369 class RegionBuffer(RubyCache):
 370     assoc = 4
 371     dataArrayBanks = 256
 372     tagArrayBanks = 256
 373     dataAccessLatency = 1
 374     tagAccessLatency = 1
 375     resourceStalls = True
 376
 377 class RBCntrl(RegionBuffer_Controller, CntrlBase):
 378     def create(self, options, ruby_system, system):
 379         self.version = self.versionCount()
 380         self.cacheMemory = RegionBuffer()
 381         self.cacheMemory.resourceStalls = options.no_tcc_resource_stalls
 382         self.cacheMemory.dataArrayBanks = 64
 383         self.cacheMemory.tagArrayBanks = 64
 384         self.blocksPerRegion = options.blocks_per_region
 385         self.cacheMemory.block_size = "%dB" % (64 * self.blocksPerRegion)
 386         self.cacheMemory.start_index_bit = \
 387             6 + int(math.log(self.blocksPerRegion, 2))
 388         self.cacheMemory.size = options.region_buffer_entries * \
 389             self.cacheMemory.block_size * options.num_compute_units
 390         self.toDirLatency = options.gpu_to_dir_latency
 391         self.toRegionDirLatency = options.cpu_to_dir_latency
 392         self.noTCCdir = True
 393         TCC_bits = int(math.log(options.num_tccs, 2))
 394         self.TCC_select_num_bits = TCC_bits
 395         self.ruby_system = ruby_system
 396
 397         if options.recycle_latency:
 398             self.recycle_latency = options.recycle_latency
 399         self.cacheMemory.replacement_policy = \
 400             TreePLRURP(num_leaves = self.cacheMemory.assoc)
 401
 402 def define_options(parser):
 403     parser.add_option("--num-subcaches", type="int", default=4)
 404     parser.add_option("--l3-data-latency", type="int", default=20)
 405     parser.add_option("--l3-tag-latency", type="int", default=15)
 406     parser.add_option("--cpu-to-dir-latency", type="int", default=120)
 407     parser.add_option("--gpu-to-dir-latency", type="int", default=60)
 408     parser.add_option("--no-resource-stalls", action="store_false",
 409                       default=True)
 410     parser.add_option("--no-tcc-resource-stalls", action="store_false",
 411                       default=True)
 412     parser.add_option("--num-tbes", type="int", default=32)
 413     parser.add_option("--l2-latency", type="int", default=50) # load to use
 414     parser.add_option("--num-tccs", type="int", default=1,
 415                       help="number of TCC banks in the GPU")
 416
 417     parser.add_option("--sqc-size", type='string', default='32kB',
 418                       help="SQC cache size")
 419     parser.add_option("--sqc-assoc", type='int', default=8,
 420                       help="SQC cache assoc")
 421     parser.add_option("--sqc-deadlock-threshold", type='int',
 422                       help="Set the SQC deadlock threshold to some value")
 423
 424     parser.add_option("--WB_L1", action="store_true",
 425         default=False, help="L2 Writeback Cache")
 426     parser.add_option("--WB_L2", action="store_true",
 427         default=False, help="L2 Writeback Cache")
 428     parser.add_option("--TCP_latency",
 429         type="int", default=4, help="TCP latency")
 430     parser.add_option("--TCC_latency",
 431         type="int", default=16, help="TCC latency")
 432     parser.add_option("--tcc-size", type='string', default='2MB',
 433                       help="agregate tcc size")
 434     parser.add_option("--tcc-assoc", type='int', default=16,
 435                       help="tcc assoc")
 436     parser.add_option("--tcp-size", type='string', default='16kB',
 437                       help="tcp size")
 438     parser.add_option("--tcp-deadlock-threshold", type='int',
 439                       help="Set the TCP deadlock threshold to some value")
 440     parser.add_option("--max-coalesces-per-cycle", type="int", default=1,
 441                       help="Maximum insts that may coalesce in a cycle");
 442
 443     parser.add_option("--dir-tag-latency", type="int", default=4)
 444     parser.add_option("--dir-tag-banks", type="int", default=4)
 445     parser.add_option("--blocks-per-region", type="int", default=16)
 446     parser.add_option("--dir-entries", type="int", default=8192)
 447
 448     # Region buffer is a cache of region directory. Hence region
 449     # directory is inclusive with respect to region directory.
 450     # However, region directory is non-inclusive with respect to
 451     # the caches in the system
 452     parser.add_option("--region-dir-entries", type="int", default=1024)
 453     parser.add_option("--region-buffer-entries", type="int", default=512)
 454
 455     parser.add_option("--always-migrate",
 456         action="store_true", default=False)
 457     parser.add_option("--symmetric-migrate",
 458         action="store_true", default=False)
 459     parser.add_option("--asymmetric-migrate",
 460         action="store_true", default=False)
 461     parser.add_option("--use-L3-on-WT", action="store_true", default=False)
 462
 463 def create_system(options, full_system, system, dma_devices, bootmem,
 464                   ruby_system):
 465     if buildEnv['PROTOCOL'] != 'GPU_VIPER_Region':
 466         panic("This script requires the GPU_VIPER_Region protocol to be built.")
 467
 468     cpu_sequencers = []
 469
 470     #
 471     # The ruby network creation expects the list of nodes in the system to be
 472     # consistent with the NetDest list.  Therefore the l1 controller nodes
 473     # must be listed before the directory nodes and directory nodes before
 474     # dma nodes, etc.
 475     #
 476     dir_cntrl_nodes = []
 477
 478     # For an odd number of CPUs, still create the right number of controllers
 479     TCC_bits = int(math.log(options.num_tccs, 2))
 480
 481     #
 482     # Must create the individual controllers before the network to ensure the
 483     # controller constructors are called before the network constructor
 484     #
 485
 486     # For an odd number of CPUs, still create the right number of controllers
 487     crossbar_bw = 16 * options.num_compute_units #Assuming a 2GHz clock
 488     cpuCluster = Cluster(extBW = (crossbar_bw), intBW=crossbar_bw)
 489     for i in range((options.num_cpus + 1) // 2):
 490
 491         cp_cntrl = CPCntrl()
 492         cp_cntrl.create(options, ruby_system, system)
 493
 494         rb_cntrl = RBCntrl()
 495         rb_cntrl.create(options, ruby_system, system)
 496         rb_cntrl.number_of_TBEs = 256
 497         rb_cntrl.isOnCPU = True
 498
 499         cp_cntrl.regionBufferNum = rb_cntrl.version
 500
 501         exec("system.cp_cntrl%d = cp_cntrl" % i)
 502         exec("system.rb_cntrl%d = rb_cntrl" % i)
 503         #
 504         # Add controllers and sequencers to the appropriate lists
 505         #
 506         cpu_sequencers.extend([cp_cntrl.sequencer, cp_cntrl.sequencer1])
 507
 508         # Connect the CP controllers and the network
 509         cp_cntrl.requestFromCore = MessageBuffer()
 510         cp_cntrl.requestFromCore.master = ruby_system.network.slave
 511
 512         cp_cntrl.responseFromCore = MessageBuffer()
 513         cp_cntrl.responseFromCore.master = ruby_system.network.slave
 514
 515         cp_cntrl.unblockFromCore = MessageBuffer()
 516         cp_cntrl.unblockFromCore.master = ruby_system.network.slave
 517
 518         cp_cntrl.probeToCore = MessageBuffer()
 519         cp_cntrl.probeToCore.slave = ruby_system.network.master
 520
 521         cp_cntrl.responseToCore = MessageBuffer()
 522         cp_cntrl.responseToCore.slave = ruby_system.network.master
 523
 524         cp_cntrl.mandatoryQueue = MessageBuffer()
 525         cp_cntrl.triggerQueue = MessageBuffer(ordered = True)
 526
 527         # Connect the RB controllers to the ruby network
 528         rb_cntrl.requestFromCore = MessageBuffer(ordered = True)
 529         rb_cntrl.requestFromCore.slave = ruby_system.network.master
 530
 531         rb_cntrl.responseFromCore = MessageBuffer()
 532         rb_cntrl.responseFromCore.slave = ruby_system.network.master
 533
 534         rb_cntrl.requestToNetwork = MessageBuffer()
 535         rb_cntrl.requestToNetwork.master = ruby_system.network.slave
 536
 537         rb_cntrl.notifyFromRegionDir = MessageBuffer()
 538         rb_cntrl.notifyFromRegionDir.slave = ruby_system.network.master
 539
 540         rb_cntrl.probeFromRegionDir = MessageBuffer()
 541         rb_cntrl.probeFromRegionDir.slave = ruby_system.network.master
 542
 543         rb_cntrl.unblockFromDir = MessageBuffer()
 544         rb_cntrl.unblockFromDir.slave = ruby_system.network.master
 545
 546         rb_cntrl.responseToRegDir = MessageBuffer()
 547         rb_cntrl.responseToRegDir.master = ruby_system.network.slave
 548
 549         rb_cntrl.triggerQueue = MessageBuffer(ordered = True)
 550
 551         cpuCluster.add(cp_cntrl)
 552         cpuCluster.add(rb_cntrl)
 553
 554     gpuCluster = Cluster(extBW = (crossbar_bw), intBW = crossbar_bw)
 555     for i in range(options.num_compute_units):
 556
 557         tcp_cntrl = TCPCntrl(TCC_select_num_bits = TCC_bits,
 558                              issue_latency = 1,
 559                              number_of_TBEs = 2560)
 560         # TBEs set to max outstanding requests
 561         tcp_cntrl.create(options, ruby_system, system)
 562         tcp_cntrl.WB = options.WB_L1
 563         tcp_cntrl.disableL1 = False
 564
 565         exec("system.tcp_cntrl%d = tcp_cntrl" % i)
 566         #
 567         # Add controllers and sequencers to the appropriate lists
 568         #
 569         cpu_sequencers.append(tcp_cntrl.coalescer)
 570
 571         # Connect the CP (TCP) controllers to the ruby network
 572         tcp_cntrl.requestFromTCP = MessageBuffer(ordered = True)
 573         tcp_cntrl.requestFromTCP.master = ruby_system.network.slave
 574
 575         tcp_cntrl.responseFromTCP = MessageBuffer(ordered = True)
 576         tcp_cntrl.responseFromTCP.master = ruby_system.network.slave
 577
 578         tcp_cntrl.unblockFromCore = MessageBuffer()
 579         tcp_cntrl.unblockFromCore.master = ruby_system.network.slave
 580
 581         tcp_cntrl.probeToTCP = MessageBuffer(ordered = True)
 582         tcp_cntrl.probeToTCP.slave = ruby_system.network.master
 583
 584         tcp_cntrl.responseToTCP = MessageBuffer(ordered = True)
 585         tcp_cntrl.responseToTCP.slave = ruby_system.network.master
 586
 587         tcp_cntrl.mandatoryQueue = MessageBuffer()
 588
 589         gpuCluster.add(tcp_cntrl)
 590
 591     for i in range(options.num_sqc):
 592
 593         sqc_cntrl = SQCCntrl(TCC_select_num_bits = TCC_bits)
 594         sqc_cntrl.create(options, ruby_system, system)
 595
 596         exec("system.sqc_cntrl%d = sqc_cntrl" % i)
 597         #
 598         # Add controllers and sequencers to the appropriate lists
 599         #
 600         cpu_sequencers.append(sqc_cntrl.sequencer)
 601
 602         # Connect the SQC controller to the ruby network
 603         sqc_cntrl.requestFromSQC = MessageBuffer(ordered = True)
 604         sqc_cntrl.requestFromSQC.master = ruby_system.network.slave
 605
 606         sqc_cntrl.probeToSQC = MessageBuffer(ordered = True)
 607         sqc_cntrl.probeToSQC.slave = ruby_system.network.master
 608
 609         sqc_cntrl.responseToSQC = MessageBuffer(ordered = True)
 610         sqc_cntrl.responseToSQC.slave = ruby_system.network.master
 611
 612         sqc_cntrl.mandatoryQueue = MessageBuffer()
 613
 614         # SQC also in GPU cluster
 615         gpuCluster.add(sqc_cntrl)
 616
 617     numa_bit = 6
 618
 619     for i in range(options.num_tccs):
 620
 621         tcc_cntrl = TCCCntrl()
 622         tcc_cntrl.create(options, ruby_system, system)
 623         tcc_cntrl.l2_request_latency = 1
 624         tcc_cntrl.l2_response_latency = options.TCC_latency
 625         tcc_cntrl.WB = options.WB_L2
 626         tcc_cntrl.number_of_TBEs = 2560 * options.num_compute_units
 627
 628         # Connect the TCC controllers to the ruby network
 629         tcc_cntrl.requestFromTCP = MessageBuffer(ordered = True)
 630         tcc_cntrl.requestFromTCP.slave = ruby_system.network.master
 631
 632         tcc_cntrl.responseToCore = MessageBuffer(ordered = True)
 633         tcc_cntrl.responseToCore.master = ruby_system.network.slave
 634
 635         tcc_cntrl.probeFromNB = MessageBuffer()
 636         tcc_cntrl.probeFromNB.slave = ruby_system.network.master
 637
 638         tcc_cntrl.responseFromNB = MessageBuffer()
 639         tcc_cntrl.responseFromNB.slave = ruby_system.network.master
 640
 641         tcc_cntrl.requestToNB = MessageBuffer(ordered = True)
 642         tcc_cntrl.requestToNB.master = ruby_system.network.slave
 643
 644         tcc_cntrl.responseToNB = MessageBuffer()
 645         tcc_cntrl.responseToNB.master = ruby_system.network.slave
 646
 647         tcc_cntrl.unblockToNB = MessageBuffer()
 648         tcc_cntrl.unblockToNB.master = ruby_system.network.slave
 649
 650         tcc_cntrl.triggerQueue = MessageBuffer(ordered = True)
 651
 652         rb_cntrl = RBCntrl()
 653         rb_cntrl.create(options, ruby_system, system)
 654         rb_cntrl.number_of_TBEs = 2560 * options.num_compute_units
 655         rb_cntrl.isOnCPU = False
 656
 657         # Connect the RB controllers to the ruby network
 658         rb_cntrl.requestFromCore = MessageBuffer(ordered = True)
 659         rb_cntrl.requestFromCore.slave = ruby_system.network.master
 660
 661         rb_cntrl.responseFromCore = MessageBuffer()
 662         rb_cntrl.responseFromCore.slave = ruby_system.network.master
 663
 664         rb_cntrl.requestToNetwork = MessageBuffer()
 665         rb_cntrl.requestToNetwork.master = ruby_system.network.slave
 666
 667         rb_cntrl.notifyFromRegionDir = MessageBuffer()
 668         rb_cntrl.notifyFromRegionDir.slave = ruby_system.network.master
 669
 670         rb_cntrl.probeFromRegionDir = MessageBuffer()
 671         rb_cntrl.probeFromRegionDir.slave = ruby_system.network.master
 672
 673         rb_cntrl.unblockFromDir = MessageBuffer()
 674         rb_cntrl.unblockFromDir.slave = ruby_system.network.master
 675
 676         rb_cntrl.responseToRegDir = MessageBuffer()
 677         rb_cntrl.responseToRegDir.master = ruby_system.network.slave
 678
 679         rb_cntrl.triggerQueue = MessageBuffer(ordered = True)
 680
 681         tcc_cntrl.regionBufferNum = rb_cntrl.version
 682
 683         exec("system.tcc_cntrl%d = tcc_cntrl" % i)
 684         exec("system.tcc_rb_cntrl%d = rb_cntrl" % i)
 685
 686         # TCC cntrls added to the GPU cluster
 687         gpuCluster.add(tcc_cntrl)
 688         gpuCluster.add(rb_cntrl)
 689
 690     # Because of wire buffers, num_l3caches must equal num_dirs
 691     # Region coherence only works with 1 dir
 692     assert(options.num_l3caches == options.num_dirs == 1)
 693
 694     # This is the base crossbar that connects the L3s, Dirs, and cpu/gpu
 695     # Clusters
 696     mainCluster = Cluster(intBW = crossbar_bw)
 697
 698     dir_cntrl = DirCntrl()
 699     dir_cntrl.create(options, ruby_system, system)
 700     dir_cntrl.number_of_TBEs = 2560 * options.num_compute_units
 701     dir_cntrl.useL3OnWT = options.use_L3_on_WT
 702
 703     # Connect the Directory controller to the ruby network
 704     dir_cntrl.requestFromCores = MessageBuffer()
 705     dir_cntrl.requestFromCores.slave = ruby_system.network.master
 706
 707     dir_cntrl.responseFromCores = MessageBuffer()
 708     dir_cntrl.responseFromCores.slave = ruby_system.network.master
 709
 710     dir_cntrl.unblockFromCores = MessageBuffer()
 711     dir_cntrl.unblockFromCores.slave = ruby_system.network.master
 712
 713     dir_cntrl.probeToCore = MessageBuffer()
 714     dir_cntrl.probeToCore.master = ruby_system.network.slave
 715
 716     dir_cntrl.responseToCore = MessageBuffer()
 717     dir_cntrl.responseToCore.master = ruby_system.network.slave
 718
 719     dir_cntrl.reqFromRegBuf = MessageBuffer()
 720     dir_cntrl.reqFromRegBuf.slave = ruby_system.network.master
 721
 722     dir_cntrl.reqToRegDir = MessageBuffer(ordered = True)
 723     dir_cntrl.reqToRegDir.master = ruby_system.network.slave
 724
 725     dir_cntrl.reqFromRegDir = MessageBuffer(ordered = True)
 726     dir_cntrl.reqFromRegDir.slave = ruby_system.network.master
 727
 728     dir_cntrl.unblockToRegDir = MessageBuffer()
 729     dir_cntrl.unblockToRegDir.master = ruby_system.network.slave
 730
 731     dir_cntrl.triggerQueue = MessageBuffer(ordered = True)
 732     dir_cntrl.L3triggerQueue = MessageBuffer(ordered = True)
 733     dir_cntrl.requestToMemory = MessageBuffer()
 734     dir_cntrl.responseFromMemory = MessageBuffer()
 735
 736     exec("system.dir_cntrl%d = dir_cntrl" % i)
 737     dir_cntrl_nodes.append(dir_cntrl)
 738
 739     mainCluster.add(dir_cntrl)
 740
 741     reg_cntrl = RegionCntrl(noTCCdir=True,TCC_select_num_bits = TCC_bits)
 742     reg_cntrl.create(options, ruby_system, system)
 743     reg_cntrl.number_of_TBEs = options.num_tbes
 744     reg_cntrl.cpuRegionBufferNum = system.rb_cntrl0.version
 745     reg_cntrl.gpuRegionBufferNum = system.tcc_rb_cntrl0.version
 746
 747     # Connect the Region Dir controllers to the ruby network
 748     reg_cntrl.requestToDir = MessageBuffer(ordered = True)
 749     reg_cntrl.requestToDir.master = ruby_system.network.slave
 750
 751     reg_cntrl.notifyToRBuffer = MessageBuffer()
 752     reg_cntrl.notifyToRBuffer.master = ruby_system.network.slave
 753
 754     reg_cntrl.probeToRBuffer = MessageBuffer()
 755     reg_cntrl.probeToRBuffer.master = ruby_system.network.slave
 756
 757     reg_cntrl.responseFromRBuffer = MessageBuffer()
 758     reg_cntrl.responseFromRBuffer.slave = ruby_system.network.master
 759
 760     reg_cntrl.requestFromRegBuf = MessageBuffer()
 761     reg_cntrl.requestFromRegBuf.slave = ruby_system.network.master
 762
 763     reg_cntrl.triggerQueue = MessageBuffer(ordered = True)
 764
 765     exec("system.reg_cntrl%d = reg_cntrl" % i)
 766
 767     mainCluster.add(reg_cntrl)
 768
 769     # Assuming no DMA devices
 770     assert(len(dma_devices) == 0)
 771
 772     # Add cpu/gpu clusters to main cluster
 773     mainCluster.add(cpuCluster)
 774     mainCluster.add(gpuCluster)
 775
 776     ruby_system.network.number_of_virtual_networks = 10
 777
 778     return (cpu_sequencers, dir_cntrl_nodes, mainCluster)