| # Copyright (c) 2015 Advanced Micro Devices, Inc. |
| # All rights reserved. |
| # |
| # For use for simulation and test purposes only |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are met: |
| # |
| # 1. Redistributions of source code must retain the above copyright notice, |
| # this list of conditions and the following disclaimer. |
| # |
| # 2. Redistributions in binary form must reproduce the above copyright notice, |
| # this list of conditions and the following disclaimer in the documentation |
| # and/or other materials provided with the distribution. |
| # |
| # 3. Neither the name of the copyright holder nor the names of its |
| # contributors may be used to endorse or promote products derived from this |
| # software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| # POSSIBILITY OF SUCH DAMAGE. |
| # |
| # Authors: Sooraj Puthoor |
| |
| import math |
| import m5 |
| from m5.objects import * |
| from m5.defines import buildEnv |
| from m5.util import addToPath |
| from Ruby import send_evicts |
| |
| addToPath('../') |
| |
| from topologies.Cluster import Cluster |
| |
| class CntrlBase: |
| _seqs = 0 |
| @classmethod |
| def seqCount(cls): |
| # Use SeqCount not class since we need global count |
| CntrlBase._seqs += 1 |
| return CntrlBase._seqs - 1 |
| |
| _cntrls = 0 |
| @classmethod |
| def cntrlCount(cls): |
| # Use CntlCount not class since we need global count |
| CntrlBase._cntrls += 1 |
| return CntrlBase._cntrls - 1 |
| |
| _version = 0 |
| @classmethod |
| def versionCount(cls): |
| cls._version += 1 # Use count for this particular type |
| return cls._version - 1 |
| |
| # |
| # Note: the L1 Cache latency is only used by the sequencer on fast path hits |
| # |
| class L1Cache(RubyCache): |
| resourceStalls = False |
| dataArrayBanks = 2 |
| tagArrayBanks = 2 |
| dataAccessLatency = 1 |
| tagAccessLatency = 1 |
| def create(self, size, assoc, options): |
| self.size = MemorySize(size) |
| self.assoc = assoc |
| self.replacement_policy = PseudoLRUReplacementPolicy() |
| |
| class L2Cache(RubyCache): |
| resourceStalls = False |
| assoc = 16 |
| dataArrayBanks = 16 |
| tagArrayBanks = 16 |
| def create(self, size, assoc, options): |
| self.size = MemorySize(size) |
| self.assoc = assoc |
| self.replacement_policy = PseudoLRUReplacementPolicy() |
| |
| class CPCntrl(CorePair_Controller, CntrlBase): |
| |
| def create(self, options, ruby_system, system): |
| self.version = self.versionCount() |
| |
| self.L1Icache = L1Cache() |
| self.L1Icache.create(options.l1i_size, options.l1i_assoc, options) |
| self.L1D0cache = L1Cache() |
| self.L1D0cache.create(options.l1d_size, options.l1d_assoc, options) |
| self.L1D1cache = L1Cache() |
| self.L1D1cache.create(options.l1d_size, options.l1d_assoc, options) |
| self.L2cache = L2Cache() |
| self.L2cache.create(options.l2_size, options.l2_assoc, options) |
| |
| self.sequencer = RubySequencer() |
| self.sequencer.version = self.seqCount() |
| self.sequencer.icache = self.L1Icache |
| self.sequencer.dcache = self.L1D0cache |
| self.sequencer.ruby_system = ruby_system |
| self.sequencer.coreid = 0 |
| self.sequencer.is_cpu_sequencer = True |
| |
| self.sequencer1 = RubySequencer() |
| self.sequencer1.version = self.seqCount() |
| self.sequencer1.icache = self.L1Icache |
| self.sequencer1.dcache = self.L1D1cache |
| self.sequencer1.ruby_system = ruby_system |
| self.sequencer1.coreid = 1 |
| self.sequencer1.is_cpu_sequencer = True |
| |
| self.issue_latency = 1 |
| self.send_evictions = send_evicts(options) |
| |
| self.ruby_system = ruby_system |
| |
| if options.recycle_latency: |
| self.recycle_latency = options.recycle_latency |
| |
| class TCPCache(RubyCache): |
| size = "16kB" |
| assoc = 16 |
| dataArrayBanks = 16 |
| tagArrayBanks = 16 |
| dataAccessLatency = 4 |
| tagAccessLatency = 1 |
| def create(self, options): |
| self.size = MemorySize(options.tcp_size) |
| self.dataArrayBanks = 16 |
| self.tagArrayBanks = 16 |
| self.dataAccessLatency = 4 |
| self.tagAccessLatency = 1 |
| self.resourceStalls = options.no_tcc_resource_stalls |
| self.replacement_policy = PseudoLRUReplacementPolicy(assoc = self.assoc) |
| |
| class TCPCntrl(TCP_Controller, CntrlBase): |
| |
| def create(self, options, ruby_system, system): |
| self.version = self.versionCount() |
| self.L1cache = TCPCache(dataAccessLatency = options.TCP_latency) |
| self.L1cache.create(options) |
| self.issue_latency = 1 |
| |
| self.coalescer = VIPERCoalescer() |
| self.coalescer.version = self.seqCount() |
| self.coalescer.icache = self.L1cache |
| self.coalescer.dcache = self.L1cache |
| self.coalescer.ruby_system = ruby_system |
| self.coalescer.support_inst_reqs = False |
| self.coalescer.is_cpu_sequencer = False |
| |
| self.sequencer = RubySequencer() |
| self.sequencer.version = self.seqCount() |
| self.sequencer.icache = self.L1cache |
| self.sequencer.dcache = self.L1cache |
| self.sequencer.ruby_system = ruby_system |
| self.sequencer.is_cpu_sequencer = True |
| |
| self.use_seq_not_coal = False |
| |
| self.ruby_system = ruby_system |
| if options.recycle_latency: |
| self.recycle_latency = options.recycle_latency |
| |
| class SQCCache(RubyCache): |
| dataArrayBanks = 8 |
| tagArrayBanks = 8 |
| dataAccessLatency = 1 |
| tagAccessLatency = 1 |
| |
| def create(self, options): |
| self.size = MemorySize(options.sqc_size) |
| self.assoc = options.sqc_assoc |
| self.replacement_policy = PseudoLRUReplacementPolicy(assoc = self.assoc) |
| |
| class SQCCntrl(SQC_Controller, CntrlBase): |
| |
| def create(self, options, ruby_system, system): |
| self.version = self.versionCount() |
| self.L1cache = SQCCache() |
| self.L1cache.create(options) |
| self.L1cache.resourceStalls = False |
| self.sequencer = RubySequencer() |
| self.sequencer.version = self.seqCount() |
| self.sequencer.icache = self.L1cache |
| self.sequencer.dcache = self.L1cache |
| self.sequencer.ruby_system = ruby_system |
| self.sequencer.support_data_reqs = False |
| self.sequencer.is_cpu_sequencer = False |
| self.ruby_system = ruby_system |
| if options.recycle_latency: |
| self.recycle_latency = options.recycle_latency |
| |
| class TCC(RubyCache): |
| size = MemorySize("256kB") |
| assoc = 16 |
| dataAccessLatency = 8 |
| tagAccessLatency = 2 |
| resourceStalls = False |
| def create(self, options): |
| self.assoc = options.tcc_assoc |
| if hasattr(options, 'bw_scalor') and options.bw_scalor > 0: |
| s = options.num_compute_units |
| tcc_size = s * 128 |
| tcc_size = str(tcc_size)+'kB' |
| self.size = MemorySize(tcc_size) |
| self.dataArrayBanks = 64 |
| self.tagArrayBanks = 64 |
| else: |
| self.size = MemorySize(options.tcc_size) |
| self.dataArrayBanks = 256 / options.num_tccs #number of data banks |
| self.tagArrayBanks = 256 / options.num_tccs #number of tag banks |
| self.size.value = self.size.value / options.num_tccs |
| if ((self.size.value / long(self.assoc)) < 128): |
| self.size.value = long(128 * self.assoc) |
| self.start_index_bit = math.log(options.cacheline_size, 2) + \ |
| math.log(options.num_tccs, 2) |
| self.replacement_policy = PseudoLRUReplacementPolicy(assoc = self.assoc) |
| |
| class TCCCntrl(TCC_Controller, CntrlBase): |
| def create(self, options, ruby_system, system): |
| self.version = self.versionCount() |
| self.L2cache = TCC() |
| self.L2cache.create(options) |
| self.ruby_system = ruby_system |
| if options.recycle_latency: |
| self.recycle_latency = options.recycle_latency |
| |
| class L3Cache(RubyCache): |
| dataArrayBanks = 16 |
| tagArrayBanks = 16 |
| |
| def create(self, options, ruby_system, system): |
| self.size = MemorySize(options.l3_size) |
| self.size.value /= options.num_dirs |
| self.assoc = options.l3_assoc |
| self.dataArrayBanks /= options.num_dirs |
| self.tagArrayBanks /= options.num_dirs |
| self.dataArrayBanks /= options.num_dirs |
| self.tagArrayBanks /= options.num_dirs |
| self.dataAccessLatency = options.l3_data_latency |
| self.tagAccessLatency = options.l3_tag_latency |
| self.resourceStalls = False |
| self.replacement_policy = PseudoLRUReplacementPolicy(assoc = self.assoc) |
| |
| class L3Cntrl(L3Cache_Controller, CntrlBase): |
| def create(self, options, ruby_system, system): |
| self.version = self.versionCount() |
| self.L3cache = L3Cache() |
| self.L3cache.create(options, ruby_system, system) |
| self.l3_response_latency = \ |
| max(self.L3cache.dataAccessLatency, self.L3cache.tagAccessLatency) |
| self.ruby_system = ruby_system |
| if options.recycle_latency: |
| self.recycle_latency = options.recycle_latency |
| |
| def connectWireBuffers(self, req_to_dir, resp_to_dir, l3_unblock_to_dir, |
| req_to_l3, probe_to_l3, resp_to_l3): |
| self.reqToDir = req_to_dir |
| self.respToDir = resp_to_dir |
| self.l3UnblockToDir = l3_unblock_to_dir |
| self.reqToL3 = req_to_l3 |
| self.probeToL3 = probe_to_l3 |
| self.respToL3 = resp_to_l3 |
| |
| # Directory memory: Directory memory of infinite size which is |
| # used by directory controller to store the "states" of the |
| # state machine. The state machine is implemented per cache block |
| class DirMem(RubyDirectoryMemory, CntrlBase): |
| def create(self, options, ruby_system, system): |
| self.version = self.versionCount() |
| phys_mem_size = AddrRange(options.mem_size).size() |
| mem_module_size = phys_mem_size / options.num_dirs |
| dir_size = MemorySize('0B') |
| dir_size.value = mem_module_size |
| self.size = dir_size |
| |
| # Directory controller: Contains directory memory, L3 cache and associated state |
| # machine which is used to accurately redirect a data request to L3 cache or to |
| # memory. The permissions requests do not come to this directory for region |
| # based protocols as they are handled exclusively by the region directory. |
| # However, region directory controller uses this directory controller for |
| # sending probe requests and receiving probe responses. |
| class DirCntrl(Directory_Controller, CntrlBase): |
| def create(self, options, ruby_system, system): |
| self.version = self.versionCount() |
| self.response_latency = 25 |
| self.response_latency_regionDir = 1 |
| self.directory = DirMem() |
| self.directory.create(options, ruby_system, system) |
| self.L3CacheMemory = L3Cache() |
| self.L3CacheMemory.create(options, ruby_system, system) |
| self.l3_hit_latency = \ |
| max(self.L3CacheMemory.dataAccessLatency, |
| self.L3CacheMemory.tagAccessLatency) |
| |
| self.ruby_system = ruby_system |
| if options.recycle_latency: |
| self.recycle_latency = options.recycle_latency |
| |
| def connectWireBuffers(self, req_to_dir, resp_to_dir, l3_unblock_to_dir, |
| req_to_l3, probe_to_l3, resp_to_l3): |
| self.reqToDir = req_to_dir |
| self.respToDir = resp_to_dir |
| self.l3UnblockToDir = l3_unblock_to_dir |
| self.reqToL3 = req_to_l3 |
| self.probeToL3 = probe_to_l3 |
| self.respToL3 = resp_to_l3 |
| |
| # Region directory : Stores region permissions |
| class RegionDir(RubyCache): |
| |
| def create(self, options, ruby_system, system): |
| self.block_size = "%dB" % (64 * options.blocks_per_region) |
| self.size = options.region_dir_entries * \ |
| self.block_size * options.num_compute_units |
| self.assoc = 8 |
| self.tagArrayBanks = 8 |
| self.tagAccessLatency = options.dir_tag_latency |
| self.dataAccessLatency = 1 |
| self.resourceStalls = options.no_resource_stalls |
| self.start_index_bit = 6 + int(math.log(options.blocks_per_region, 2)) |
| self.replacement_policy = PseudoLRUReplacementPolicy(assoc = self.assoc) |
| # Region directory controller : Contains region directory and associated state |
| # machine for dealing with region coherence requests. |
| class RegionCntrl(RegionDir_Controller, CntrlBase): |
| def create(self, options, ruby_system, system): |
| self.version = self.versionCount() |
| self.cacheMemory = RegionDir() |
| self.cacheMemory.create(options, ruby_system, system) |
| self.blocksPerRegion = options.blocks_per_region |
| self.toDirLatency = \ |
| max(self.cacheMemory.dataAccessLatency, |
| self.cacheMemory.tagAccessLatency) |
| self.ruby_system = ruby_system |
| self.always_migrate = options.always_migrate |
| self.sym_migrate = options.symmetric_migrate |
| self.asym_migrate = options.asymmetric_migrate |
| if self.always_migrate: |
| assert(not self.asym_migrate and not self.sym_migrate) |
| if self.sym_migrate: |
| assert(not self.always_migrate and not self.asym_migrate) |
| if self.asym_migrate: |
| assert(not self.always_migrate and not self.sym_migrate) |
| if options.recycle_latency: |
| self.recycle_latency = options.recycle_latency |
| |
| # Region Buffer: A region directory cache which avoids some potential |
| # long latency lookup of region directory for getting region permissions |
| class RegionBuffer(RubyCache): |
| assoc = 4 |
| dataArrayBanks = 256 |
| tagArrayBanks = 256 |
| dataAccessLatency = 1 |
| tagAccessLatency = 1 |
| resourceStalls = True |
| |
| class RBCntrl(RegionBuffer_Controller, CntrlBase): |
| def create(self, options, ruby_system, system): |
| self.version = self.versionCount() |
| self.cacheMemory = RegionBuffer() |
| self.cacheMemory.resourceStalls = options.no_tcc_resource_stalls |
| self.cacheMemory.dataArrayBanks = 64 |
| self.cacheMemory.tagArrayBanks = 64 |
| self.blocksPerRegion = options.blocks_per_region |
| self.cacheMemory.block_size = "%dB" % (64 * self.blocksPerRegion) |
| self.cacheMemory.start_index_bit = \ |
| 6 + int(math.log(self.blocksPerRegion, 2)) |
| self.cacheMemory.size = options.region_buffer_entries * \ |
| self.cacheMemory.block_size * options.num_compute_units |
| self.toDirLatency = options.gpu_to_dir_latency |
| self.toRegionDirLatency = options.cpu_to_dir_latency |
| self.noTCCdir = True |
| TCC_bits = int(math.log(options.num_tccs, 2)) |
| self.TCC_select_num_bits = TCC_bits |
| self.ruby_system = ruby_system |
| |
| if options.recycle_latency: |
| self.recycle_latency = options.recycle_latency |
| self.cacheMemory.replacement_policy = \ |
| PseudoLRUReplacementPolicy(assoc = self.cacheMemory.assoc) |
| |
| def define_options(parser): |
| parser.add_option("--num-subcaches", type="int", default=4) |
| parser.add_option("--l3-data-latency", type="int", default=20) |
| parser.add_option("--l3-tag-latency", type="int", default=15) |
| parser.add_option("--cpu-to-dir-latency", type="int", default=120) |
| parser.add_option("--gpu-to-dir-latency", type="int", default=60) |
| parser.add_option("--no-resource-stalls", action="store_false", |
| default=True) |
| parser.add_option("--no-tcc-resource-stalls", action="store_false", |
| default=True) |
| parser.add_option("--num-tbes", type="int", default=32) |
| parser.add_option("--l2-latency", type="int", default=50) # load to use |
| parser.add_option("--num-tccs", type="int", default=1, |
| help="number of TCC banks in the GPU") |
| |
| parser.add_option("--sqc-size", type='string', default='32kB', |
| help="SQC cache size") |
| parser.add_option("--sqc-assoc", type='int', default=8, |
| help="SQC cache assoc") |
| |
| parser.add_option("--WB_L1", action="store_true", |
| default=False, help="L2 Writeback Cache") |
| parser.add_option("--WB_L2", action="store_true", |
| default=False, help="L2 Writeback Cache") |
| parser.add_option("--TCP_latency", |
| type="int", default=4, help="TCP latency") |
| parser.add_option("--TCC_latency", |
| type="int", default=16, help="TCC latency") |
| parser.add_option("--tcc-size", type='string', default='2MB', |
| help="agregate tcc size") |
| parser.add_option("--tcc-assoc", type='int', default=16, |
| help="tcc assoc") |
| parser.add_option("--tcp-size", type='string', default='16kB', |
| help="tcp size") |
| |
| parser.add_option("--dir-tag-latency", type="int", default=4) |
| parser.add_option("--dir-tag-banks", type="int", default=4) |
| parser.add_option("--blocks-per-region", type="int", default=16) |
| parser.add_option("--dir-entries", type="int", default=8192) |
| |
| # Region buffer is a cache of region directory. Hence region |
| # directory is inclusive with respect to region directory. |
| # However, region directory is non-inclusive with respect to |
| # the caches in the system |
| parser.add_option("--region-dir-entries", type="int", default=1024) |
| parser.add_option("--region-buffer-entries", type="int", default=512) |
| |
| parser.add_option("--always-migrate", |
| action="store_true", default=False) |
| parser.add_option("--symmetric-migrate", |
| action="store_true", default=False) |
| parser.add_option("--asymmetric-migrate", |
| action="store_true", default=False) |
| parser.add_option("--use-L3-on-WT", action="store_true", default=False) |
| |
| def create_system(options, full_system, system, dma_devices, bootmem, |
| ruby_system): |
| if buildEnv['PROTOCOL'] != 'GPU_VIPER_Region': |
| panic("This script requires the GPU_VIPER_Region protocol to be built.") |
| |
| cpu_sequencers = [] |
| |
| # |
| # The ruby network creation expects the list of nodes in the system to be |
| # consistent with the NetDest list. Therefore the l1 controller nodes |
| # must be listed before the directory nodes and directory nodes before |
| # dma nodes, etc. |
| # |
| dir_cntrl_nodes = [] |
| |
| # For an odd number of CPUs, still create the right number of controllers |
| TCC_bits = int(math.log(options.num_tccs, 2)) |
| |
| # |
| # Must create the individual controllers before the network to ensure the |
| # controller constructors are called before the network constructor |
| # |
| |
| # For an odd number of CPUs, still create the right number of controllers |
| crossbar_bw = 16 * options.num_compute_units #Assuming a 2GHz clock |
| cpuCluster = Cluster(extBW = (crossbar_bw), intBW=crossbar_bw) |
| for i in range((options.num_cpus + 1) // 2): |
| |
| cp_cntrl = CPCntrl() |
| cp_cntrl.create(options, ruby_system, system) |
| |
| rb_cntrl = RBCntrl() |
| rb_cntrl.create(options, ruby_system, system) |
| rb_cntrl.number_of_TBEs = 256 |
| rb_cntrl.isOnCPU = True |
| |
| cp_cntrl.regionBufferNum = rb_cntrl.version |
| |
| exec("system.cp_cntrl%d = cp_cntrl" % i) |
| exec("system.rb_cntrl%d = rb_cntrl" % i) |
| # |
| # Add controllers and sequencers to the appropriate lists |
| # |
| cpu_sequencers.extend([cp_cntrl.sequencer, cp_cntrl.sequencer1]) |
| |
| # Connect the CP controllers and the network |
| cp_cntrl.requestFromCore = MessageBuffer() |
| cp_cntrl.requestFromCore.master = ruby_system.network.slave |
| |
| cp_cntrl.responseFromCore = MessageBuffer() |
| cp_cntrl.responseFromCore.master = ruby_system.network.slave |
| |
| cp_cntrl.unblockFromCore = MessageBuffer() |
| cp_cntrl.unblockFromCore.master = ruby_system.network.slave |
| |
| cp_cntrl.probeToCore = MessageBuffer() |
| cp_cntrl.probeToCore.slave = ruby_system.network.master |
| |
| cp_cntrl.responseToCore = MessageBuffer() |
| cp_cntrl.responseToCore.slave = ruby_system.network.master |
| |
| cp_cntrl.mandatoryQueue = MessageBuffer() |
| cp_cntrl.triggerQueue = MessageBuffer(ordered = True) |
| |
| # Connect the RB controllers to the ruby network |
| rb_cntrl.requestFromCore = MessageBuffer(ordered = True) |
| rb_cntrl.requestFromCore.slave = ruby_system.network.master |
| |
| rb_cntrl.responseFromCore = MessageBuffer() |
| rb_cntrl.responseFromCore.slave = ruby_system.network.master |
| |
| rb_cntrl.requestToNetwork = MessageBuffer() |
| rb_cntrl.requestToNetwork.master = ruby_system.network.slave |
| |
| rb_cntrl.notifyFromRegionDir = MessageBuffer() |
| rb_cntrl.notifyFromRegionDir.slave = ruby_system.network.master |
| |
| rb_cntrl.probeFromRegionDir = MessageBuffer() |
| rb_cntrl.probeFromRegionDir.slave = ruby_system.network.master |
| |
| rb_cntrl.unblockFromDir = MessageBuffer() |
| rb_cntrl.unblockFromDir.slave = ruby_system.network.master |
| |
| rb_cntrl.responseToRegDir = MessageBuffer() |
| rb_cntrl.responseToRegDir.master = ruby_system.network.slave |
| |
| rb_cntrl.triggerQueue = MessageBuffer(ordered = True) |
| |
| cpuCluster.add(cp_cntrl) |
| cpuCluster.add(rb_cntrl) |
| |
| gpuCluster = Cluster(extBW = (crossbar_bw), intBW = crossbar_bw) |
| for i in range(options.num_compute_units): |
| |
| tcp_cntrl = TCPCntrl(TCC_select_num_bits = TCC_bits, |
| issue_latency = 1, |
| number_of_TBEs = 2560) |
| # TBEs set to max outstanding requests |
| tcp_cntrl.create(options, ruby_system, system) |
| tcp_cntrl.WB = options.WB_L1 |
| tcp_cntrl.disableL1 = False |
| |
| exec("system.tcp_cntrl%d = tcp_cntrl" % i) |
| # |
| # Add controllers and sequencers to the appropriate lists |
| # |
| cpu_sequencers.append(tcp_cntrl.coalescer) |
| |
| # Connect the CP (TCP) controllers to the ruby network |
| tcp_cntrl.requestFromTCP = MessageBuffer(ordered = True) |
| tcp_cntrl.requestFromTCP.master = ruby_system.network.slave |
| |
| tcp_cntrl.responseFromTCP = MessageBuffer(ordered = True) |
| tcp_cntrl.responseFromTCP.master = ruby_system.network.slave |
| |
| tcp_cntrl.unblockFromCore = MessageBuffer() |
| tcp_cntrl.unblockFromCore.master = ruby_system.network.slave |
| |
| tcp_cntrl.probeToTCP = MessageBuffer(ordered = True) |
| tcp_cntrl.probeToTCP.slave = ruby_system.network.master |
| |
| tcp_cntrl.responseToTCP = MessageBuffer(ordered = True) |
| tcp_cntrl.responseToTCP.slave = ruby_system.network.master |
| |
| tcp_cntrl.mandatoryQueue = MessageBuffer() |
| |
| gpuCluster.add(tcp_cntrl) |
| |
| for i in range(options.num_sqc): |
| |
| sqc_cntrl = SQCCntrl(TCC_select_num_bits = TCC_bits) |
| sqc_cntrl.create(options, ruby_system, system) |
| |
| exec("system.sqc_cntrl%d = sqc_cntrl" % i) |
| # |
| # Add controllers and sequencers to the appropriate lists |
| # |
| cpu_sequencers.append(sqc_cntrl.sequencer) |
| |
| # Connect the SQC controller to the ruby network |
| sqc_cntrl.requestFromSQC = MessageBuffer(ordered = True) |
| sqc_cntrl.requestFromSQC.master = ruby_system.network.slave |
| |
| sqc_cntrl.probeToSQC = MessageBuffer(ordered = True) |
| sqc_cntrl.probeToSQC.slave = ruby_system.network.master |
| |
| sqc_cntrl.responseToSQC = MessageBuffer(ordered = True) |
| sqc_cntrl.responseToSQC.slave = ruby_system.network.master |
| |
| sqc_cntrl.mandatoryQueue = MessageBuffer() |
| |
| # SQC also in GPU cluster |
| gpuCluster.add(sqc_cntrl) |
| |
| numa_bit = 6 |
| |
| for i in range(options.num_tccs): |
| |
| tcc_cntrl = TCCCntrl() |
| tcc_cntrl.create(options, ruby_system, system) |
| tcc_cntrl.l2_request_latency = 1 |
| tcc_cntrl.l2_response_latency = options.TCC_latency |
| tcc_cntrl.WB = options.WB_L2 |
| tcc_cntrl.number_of_TBEs = 2560 * options.num_compute_units |
| |
| # Connect the TCC controllers to the ruby network |
| tcc_cntrl.requestFromTCP = MessageBuffer(ordered = True) |
| tcc_cntrl.requestFromTCP.slave = ruby_system.network.master |
| |
| tcc_cntrl.responseToCore = MessageBuffer(ordered = True) |
| tcc_cntrl.responseToCore.master = ruby_system.network.slave |
| |
| tcc_cntrl.probeFromNB = MessageBuffer() |
| tcc_cntrl.probeFromNB.slave = ruby_system.network.master |
| |
| tcc_cntrl.responseFromNB = MessageBuffer() |
| tcc_cntrl.responseFromNB.slave = ruby_system.network.master |
| |
| tcc_cntrl.requestToNB = MessageBuffer(ordered = True) |
| tcc_cntrl.requestToNB.master = ruby_system.network.slave |
| |
| tcc_cntrl.responseToNB = MessageBuffer() |
| tcc_cntrl.responseToNB.master = ruby_system.network.slave |
| |
| tcc_cntrl.unblockToNB = MessageBuffer() |
| tcc_cntrl.unblockToNB.master = ruby_system.network.slave |
| |
| tcc_cntrl.triggerQueue = MessageBuffer(ordered = True) |
| |
| rb_cntrl = RBCntrl() |
| rb_cntrl.create(options, ruby_system, system) |
| rb_cntrl.number_of_TBEs = 2560 * options.num_compute_units |
| rb_cntrl.isOnCPU = False |
| |
| # Connect the RB controllers to the ruby network |
| rb_cntrl.requestFromCore = MessageBuffer(ordered = True) |
| rb_cntrl.requestFromCore.slave = ruby_system.network.master |
| |
| rb_cntrl.responseFromCore = MessageBuffer() |
| rb_cntrl.responseFromCore.slave = ruby_system.network.master |
| |
| rb_cntrl.requestToNetwork = MessageBuffer() |
| rb_cntrl.requestToNetwork.master = ruby_system.network.slave |
| |
| rb_cntrl.notifyFromRegionDir = MessageBuffer() |
| rb_cntrl.notifyFromRegionDir.slave = ruby_system.network.master |
| |
| rb_cntrl.probeFromRegionDir = MessageBuffer() |
| rb_cntrl.probeFromRegionDir.slave = ruby_system.network.master |
| |
| rb_cntrl.unblockFromDir = MessageBuffer() |
| rb_cntrl.unblockFromDir.slave = ruby_system.network.master |
| |
| rb_cntrl.responseToRegDir = MessageBuffer() |
| rb_cntrl.responseToRegDir.master = ruby_system.network.slave |
| |
| rb_cntrl.triggerQueue = MessageBuffer(ordered = True) |
| |
| tcc_cntrl.regionBufferNum = rb_cntrl.version |
| |
| exec("system.tcc_cntrl%d = tcc_cntrl" % i) |
| exec("system.tcc_rb_cntrl%d = rb_cntrl" % i) |
| |
| # TCC cntrls added to the GPU cluster |
| gpuCluster.add(tcc_cntrl) |
| gpuCluster.add(rb_cntrl) |
| |
| # Because of wire buffers, num_l3caches must equal num_dirs |
| # Region coherence only works with 1 dir |
| assert(options.num_l3caches == options.num_dirs == 1) |
| |
| # This is the base crossbar that connects the L3s, Dirs, and cpu/gpu |
| # Clusters |
| mainCluster = Cluster(intBW = crossbar_bw) |
| |
| dir_cntrl = DirCntrl() |
| dir_cntrl.create(options, ruby_system, system) |
| dir_cntrl.number_of_TBEs = 2560 * options.num_compute_units |
| dir_cntrl.useL3OnWT = options.use_L3_on_WT |
| |
| # Connect the Directory controller to the ruby network |
| dir_cntrl.requestFromCores = MessageBuffer() |
| dir_cntrl.requestFromCores.slave = ruby_system.network.master |
| |
| dir_cntrl.responseFromCores = MessageBuffer() |
| dir_cntrl.responseFromCores.slave = ruby_system.network.master |
| |
| dir_cntrl.unblockFromCores = MessageBuffer() |
| dir_cntrl.unblockFromCores.slave = ruby_system.network.master |
| |
| dir_cntrl.probeToCore = MessageBuffer() |
| dir_cntrl.probeToCore.master = ruby_system.network.slave |
| |
| dir_cntrl.responseToCore = MessageBuffer() |
| dir_cntrl.responseToCore.master = ruby_system.network.slave |
| |
| dir_cntrl.reqFromRegBuf = MessageBuffer() |
| dir_cntrl.reqFromRegBuf.slave = ruby_system.network.master |
| |
| dir_cntrl.reqToRegDir = MessageBuffer(ordered = True) |
| dir_cntrl.reqToRegDir.master = ruby_system.network.slave |
| |
| dir_cntrl.reqFromRegDir = MessageBuffer(ordered = True) |
| dir_cntrl.reqFromRegDir.slave = ruby_system.network.master |
| |
| dir_cntrl.unblockToRegDir = MessageBuffer() |
| dir_cntrl.unblockToRegDir.master = ruby_system.network.slave |
| |
| dir_cntrl.triggerQueue = MessageBuffer(ordered = True) |
| dir_cntrl.L3triggerQueue = MessageBuffer(ordered = True) |
| dir_cntrl.responseFromMemory = MessageBuffer() |
| |
| exec("system.dir_cntrl%d = dir_cntrl" % i) |
| dir_cntrl_nodes.append(dir_cntrl) |
| |
| mainCluster.add(dir_cntrl) |
| |
| reg_cntrl = RegionCntrl(noTCCdir=True,TCC_select_num_bits = TCC_bits) |
| reg_cntrl.create(options, ruby_system, system) |
| reg_cntrl.number_of_TBEs = options.num_tbes |
| reg_cntrl.cpuRegionBufferNum = system.rb_cntrl0.version |
| reg_cntrl.gpuRegionBufferNum = system.tcc_rb_cntrl0.version |
| |
| # Connect the Region Dir controllers to the ruby network |
| reg_cntrl.requestToDir = MessageBuffer(ordered = True) |
| reg_cntrl.requestToDir.master = ruby_system.network.slave |
| |
| reg_cntrl.notifyToRBuffer = MessageBuffer() |
| reg_cntrl.notifyToRBuffer.master = ruby_system.network.slave |
| |
| reg_cntrl.probeToRBuffer = MessageBuffer() |
| reg_cntrl.probeToRBuffer.master = ruby_system.network.slave |
| |
| reg_cntrl.responseFromRBuffer = MessageBuffer() |
| reg_cntrl.responseFromRBuffer.slave = ruby_system.network.master |
| |
| reg_cntrl.requestFromRegBuf = MessageBuffer() |
| reg_cntrl.requestFromRegBuf.slave = ruby_system.network.master |
| |
| reg_cntrl.triggerQueue = MessageBuffer(ordered = True) |
| |
| exec("system.reg_cntrl%d = reg_cntrl" % i) |
| |
| mainCluster.add(reg_cntrl) |
| |
| # Assuming no DMA devices |
| assert(len(dma_devices) == 0) |
| |
| # Add cpu/gpu clusters to main cluster |
| mainCluster.add(cpuCluster) |
| mainCluster.add(gpuCluster) |
| |
| ruby_system.network.number_of_virtual_networks = 10 |
| |
| return (cpu_sequencers, dir_cntrl_nodes, mainCluster) |
