configs/ruby/MOESI_AMD_Base.py

   1 # Copyright (c) 2010-2015 Advanced Micro Devices, Inc.
   2 # All rights reserved.
   3 #
   4 # For use for simulation and test purposes only
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions are met:
   8 #
   9 # 1. Redistributions of source code must retain the above copyright notice,
  10 # this list of conditions and the following disclaimer.
  11 #
  12 # 2. Redistributions in binary form must reproduce the above copyright notice,
  13 # this list of conditions and the following disclaimer in the documentation
  14 # and/or other materials provided with the distribution.
  15 #
  16 # 3. Neither the name of the copyright holder nor the names of its
  17 # contributors may be used to endorse or promote products derived from this
  18 # software without specific prior written permission.
  19 #
  20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  21 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23 # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  24 # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30 # POSSIBILITY OF SUCH DAMAGE.
  31
  32 import math
  33 import m5
  34 from m5.objects import *
  35 from m5.defines import buildEnv
  36 from m5.util import addToPath
  37 from Ruby import create_topology
  38 from Ruby import send_evicts
  39 from common import FileSystemConfig
  40
  41 addToPath('../')
  42
  43 from topologies.Cluster import Cluster
  44 from topologies.Crossbar import Crossbar
  45
  46 class CntrlBase:
  47     _seqs = 0
  48     @classmethod
  49     def seqCount(cls):
  50         # Use SeqCount not class since we need global count
  51         CntrlBase._seqs += 1
  52         return CntrlBase._seqs - 1
  53
  54     _cntrls = 0
  55     @classmethod
  56     def cntrlCount(cls):
  57         # Use CntlCount not class since we need global count
  58         CntrlBase._cntrls += 1
  59         return CntrlBase._cntrls - 1
  60
  61     _version = 0
  62     @classmethod
  63     def versionCount(cls):
  64         cls._version += 1 # Use count for this particular type
  65         return cls._version - 1
  66
  67 class L1DCache(RubyCache):
  68     resourceStalls = False
  69     def create(self, options):
  70         self.size = MemorySize(options.l1d_size)
  71         self.assoc = options.l1d_assoc
  72         self.replacement_policy = TreePLRURP()
  73
  74 class L1ICache(RubyCache):
  75     resourceStalls = False
  76     def create(self, options):
  77         self.size = MemorySize(options.l1i_size)
  78         self.assoc = options.l1i_assoc
  79         self.replacement_policy = TreePLRURP()
  80
  81 class L2Cache(RubyCache):
  82     resourceStalls = False
  83     def create(self, options):
  84         self.size = MemorySize(options.l2_size)
  85         self.assoc = options.l2_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 = L1ICache()
  94         self.L1Icache.create(options)
  95         self.L1D0cache = L1DCache()
  96         self.L1D0cache.create(options)
  97         self.L1D1cache = L1DCache()
  98         self.L1D1cache.create(options)
  99         self.L2cache = L2Cache()
 100         self.L2cache.create(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         # Defines icache/dcache hit latency
 119         self.mandatory_queue_latency = 2
 120
 121         self.issue_latency = options.cpu_to_dir_latency
 122         self.send_evictions = send_evicts(options)
 123
 124         self.ruby_system = ruby_system
 125
 126         if options.recycle_latency:
 127             self.recycle_latency = options.recycle_latency
 128
 129 class L3Cache(RubyCache):
 130     assoc = 8
 131     dataArrayBanks = 256
 132     tagArrayBanks = 256
 133
 134     def create(self, options, ruby_system, system):
 135         self.size = MemorySize(options.l3_size)
 136         self.size.value /= options.num_dirs
 137         self.dataArrayBanks /= options.num_dirs
 138         self.tagArrayBanks /= options.num_dirs
 139         self.dataArrayBanks /= options.num_dirs
 140         self.tagArrayBanks /= options.num_dirs
 141         self.dataAccessLatency = options.l3_data_latency
 142         self.tagAccessLatency = options.l3_tag_latency
 143         self.resourceStalls = options.no_resource_stalls
 144         self.replacement_policy = TreePLRURP()
 145
 146 class L3Cntrl(L3Cache_Controller, CntrlBase):
 147     def create(self, options, ruby_system, system):
 148         self.version = self.versionCount()
 149         self.L3cache = L3Cache()
 150         self.L3cache.create(options, ruby_system, system)
 151
 152         self.l3_response_latency = max(self.L3cache.dataAccessLatency,
 153                                        self.L3cache.tagAccessLatency)
 154         self.ruby_system = ruby_system
 155
 156         if options.recycle_latency:
 157             self.recycle_latency = options.recycle_latency
 158
 159     def connectWireBuffers(self, req_to_dir, resp_to_dir, l3_unblock_to_dir,
 160                            req_to_l3, probe_to_l3, resp_to_l3):
 161         self.reqToDir = req_to_dir
 162         self.respToDir = resp_to_dir
 163         self.l3UnblockToDir = l3_unblock_to_dir
 164         self.reqToL3 = req_to_l3
 165         self.probeToL3 = probe_to_l3
 166         self.respToL3 = resp_to_l3
 167
 168 class DirCntrl(Directory_Controller, CntrlBase):
 169     def create(self, options, dir_ranges, ruby_system, system):
 170         self.version = self.versionCount()
 171
 172         self.response_latency = 30
 173
 174         self.addr_ranges = dir_ranges
 175         self.directory = RubyDirectoryMemory()
 176
 177         self.L3CacheMemory = L3Cache()
 178         self.L3CacheMemory.create(options, ruby_system, system)
 179
 180         self.l3_hit_latency = max(self.L3CacheMemory.dataAccessLatency,
 181                                   self.L3CacheMemory.tagAccessLatency)
 182
 183         self.number_of_TBEs = options.num_tbes
 184
 185         self.ruby_system = ruby_system
 186
 187         if options.recycle_latency:
 188             self.recycle_latency = options.recycle_latency
 189
 190         self.CPUonly = True
 191
 192     def connectWireBuffers(self, req_to_dir, resp_to_dir, l3_unblock_to_dir,
 193                            req_to_l3, probe_to_l3, resp_to_l3):
 194         self.reqToDir = req_to_dir
 195         self.respToDir = resp_to_dir
 196         self.l3UnblockToDir = l3_unblock_to_dir
 197         self.reqToL3 = req_to_l3
 198         self.probeToL3 = probe_to_l3
 199         self.respToL3 = resp_to_l3
 200
 201 def define_options(parser):
 202     parser.add_option("--num-subcaches", type="int", default=4)
 203     parser.add_option("--l3-data-latency", type="int", default=20)
 204     parser.add_option("--l3-tag-latency", type="int", default=15)
 205     parser.add_option("--cpu-to-dir-latency", type="int", default=15)
 206     parser.add_option("--no-resource-stalls", action="store_false",
 207                       default=True)
 208     parser.add_option("--num-tbes", type="int", default=256)
 209     parser.add_option("--l2-latency", type="int", default=50) # load to use
 210
 211 def create_system(options, full_system, system, dma_devices, bootmem,
 212                   ruby_system):
 213     if buildEnv['PROTOCOL'] != 'MOESI_AMD_Base':
 214         panic("This script requires the MOESI_AMD_Base protocol.")
 215
 216     cpu_sequencers = []
 217
 218     #
 219     # The ruby network creation expects the list of nodes in the system to
 220     # be consistent with the NetDest list.  Therefore the l1 controller
 221     # nodes must be listed before the directory nodes and directory nodes
 222     # before dma nodes, etc.
 223     #
 224     l1_cntrl_nodes = []
 225     l3_cntrl_nodes = []
 226     dir_cntrl_nodes = []
 227
 228     control_count = 0
 229
 230     #
 231     # Must create the individual controllers before the network to ensure
 232     # the controller constructors are called before the network constructor
 233     #
 234
 235     # This is the base crossbar that connects the L3s, Dirs, and cpu
 236     # Cluster
 237     mainCluster = Cluster(extBW = 512, intBW = 512) # 1 TB/s
 238
 239     if options.numa_high_bit:
 240         numa_bit = options.numa_high_bit
 241     else:
 242         # if the numa_bit is not specified, set the directory bits as the
 243         # lowest bits above the block offset bits, and the numa_bit as the
 244         # highest of those directory bits
 245         dir_bits = int(math.log(options.num_dirs, 2))
 246         block_size_bits = int(math.log(options.cacheline_size, 2))
 247         numa_bit = block_size_bits + dir_bits - 1
 248
 249     for i in range(options.num_dirs):
 250         dir_ranges = []
 251         for r in system.mem_ranges:
 252             addr_range = m5.objects.AddrRange(r.start, size = r.size(),
 253                                               intlvHighBit = numa_bit,
 254                                               intlvBits = dir_bits,
 255                                               intlvMatch = i)
 256             dir_ranges.append(addr_range)
 257
 258
 259         dir_cntrl = DirCntrl(TCC_select_num_bits = 0)
 260         dir_cntrl.create(options, dir_ranges, ruby_system, system)
 261
 262         # Connect the Directory controller to the ruby network
 263         dir_cntrl.requestFromCores = MessageBuffer(ordered = True)
 264         dir_cntrl.requestFromCores.slave = ruby_system.network.master
 265
 266         dir_cntrl.responseFromCores = MessageBuffer()
 267         dir_cntrl.responseFromCores.slave = ruby_system.network.master
 268
 269         dir_cntrl.unblockFromCores = MessageBuffer()
 270         dir_cntrl.unblockFromCores.slave = ruby_system.network.master
 271
 272         dir_cntrl.probeToCore = MessageBuffer()
 273         dir_cntrl.probeToCore.master = ruby_system.network.slave
 274
 275         dir_cntrl.responseToCore = MessageBuffer()
 276         dir_cntrl.responseToCore.master = ruby_system.network.slave
 277
 278         dir_cntrl.triggerQueue = MessageBuffer(ordered = True)
 279         dir_cntrl.L3triggerQueue = MessageBuffer(ordered = True)
 280
 281         dir_cntrl.requestToMemory = MessageBuffer()
 282         dir_cntrl.responseFromMemory = MessageBuffer()
 283
 284         exec("system.dir_cntrl%d = dir_cntrl" % i)
 285         dir_cntrl_nodes.append(dir_cntrl)
 286
 287         mainCluster.add(dir_cntrl)
 288
 289     # Technically this config can support an odd number of cpus, but the top
 290     # level config files, such as the ruby_random_tester, will get confused if
 291     # the number of cpus does not equal the number of sequencers.  Thus make
 292     # sure that an even number of cpus is specified.
 293     assert((options.num_cpus % 2) == 0)
 294
 295     # For an odd number of CPUs, still create the right number of controllers
 296     cpuCluster = Cluster(extBW = 512, intBW = 512)  # 1 TB/s
 297     for i in range((options.num_cpus + 1) // 2):
 298
 299         cp_cntrl = CPCntrl()
 300         cp_cntrl.create(options, ruby_system, system)
 301
 302         exec("system.cp_cntrl%d = cp_cntrl" % i)
 303         #
 304         # Add controllers and sequencers to the appropriate lists
 305         #
 306         cpu_sequencers.extend([cp_cntrl.sequencer, cp_cntrl.sequencer1])
 307
 308         # Connect the CP controllers and the network
 309         cp_cntrl.requestFromCore = MessageBuffer()
 310         cp_cntrl.requestFromCore.master = ruby_system.network.slave
 311
 312         cp_cntrl.responseFromCore = MessageBuffer()
 313         cp_cntrl.responseFromCore.master = ruby_system.network.slave
 314
 315         cp_cntrl.unblockFromCore = MessageBuffer()
 316         cp_cntrl.unblockFromCore.master = ruby_system.network.slave
 317
 318         cp_cntrl.probeToCore = MessageBuffer()
 319         cp_cntrl.probeToCore.slave = ruby_system.network.master
 320
 321         cp_cntrl.responseToCore = MessageBuffer()
 322         cp_cntrl.responseToCore.slave = ruby_system.network.master
 323
 324         cp_cntrl.mandatoryQueue = MessageBuffer()
 325         cp_cntrl.triggerQueue = MessageBuffer(ordered = True)
 326
 327         cpuCluster.add(cp_cntrl)
 328
 329     # Register CPUs and caches for each CorePair and directory (SE mode only)
 330     if not full_system:
 331         for i in xrange((options.num_cpus + 1) // 2):
 332             FileSystemConfig.register_cpu(physical_package_id = 0,
 333                                           core_siblings =
 334                                             xrange(options.num_cpus),
 335                                           core_id = i*2,
 336                                           thread_siblings = [])
 337
 338             FileSystemConfig.register_cpu(physical_package_id = 0,
 339                                           core_siblings =
 340                                             xrange(options.num_cpus),
 341                                           core_id = i*2+1,
 342                                           thread_siblings = [])
 343
 344             FileSystemConfig.register_cache(level = 0,
 345                                             idu_type = 'Instruction',
 346                                             size = options.l1i_size,
 347                                             line_size = options.cacheline_size,
 348                                             assoc = options.l1i_assoc,
 349                                             cpus = [i*2, i*2+1])
 350
 351             FileSystemConfig.register_cache(level = 0,
 352                                             idu_type = 'Data',
 353                                             size = options.l1d_size,
 354                                             line_size = options.cacheline_size,
 355                                             assoc = options.l1d_assoc,
 356                                             cpus = [i*2])
 357
 358             FileSystemConfig.register_cache(level = 0,
 359                                             idu_type = 'Data',
 360                                             size = options.l1d_size,
 361                                             line_size = options.cacheline_size,
 362                                             assoc = options.l1d_assoc,
 363                                             cpus = [i*2+1])
 364
 365             FileSystemConfig.register_cache(level = 1,
 366                                             idu_type = 'Unified',
 367                                             size = options.l2_size,
 368                                             line_size = options.cacheline_size,
 369                                             assoc = options.l2_assoc,
 370                                             cpus = [i*2, i*2+1])
 371
 372         for i in range(options.num_dirs):
 373             FileSystemConfig.register_cache(level = 2,
 374                                             idu_type = 'Unified',
 375                                             size = options.l3_size,
 376                                             line_size = options.cacheline_size,
 377                                             assoc = options.l3_assoc,
 378                                             cpus = [n for n in
 379                                                 xrange(options.num_cpus)])
 380
 381     # Assuming no DMA devices
 382     assert(len(dma_devices) == 0)
 383
 384     # Add cpu/gpu clusters to main cluster
 385     mainCluster.add(cpuCluster)
 386
 387     ruby_system.network.number_of_virtual_networks = 10
 388
 389     return (cpu_sequencers, dir_cntrl_nodes, mainCluster)