# Copyright (c) 2011-2015 Advanced Micro Devices, Inc. # All rights reserved. # # 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. import math import m5 from m5.objects import * from m5.defines import buildEnv from m5.util import addToPath from .Ruby import create_topology from .Ruby import send_evicts from common import ObjectList from common import MemConfig from common import FileSystemConfig addToPath('../') from topologies.Cluster import Cluster from topologies.Crossbar import Crossbar 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 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 = TreePLRURP() 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 = TreePLRURP() 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.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.dcache = self.L1D1cache self.sequencer1.ruby_system = ruby_system self.sequencer1.coreid = 1 self.sequencer1.is_cpu_sequencer = True self.issue_latency = options.cpu_to_dir_latency 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 #number of data banks tagArrayBanks = 16 #number of tag banks dataAccessLatency = 4 tagAccessLatency = 1 def create(self, options): self.size = MemorySize(options.tcp_size) self.assoc = options.tcp_assoc self.resourceStalls = options.no_tcc_resource_stalls self.replacement_policy = TreePLRURP() class TCPCntrl(TCP_Controller, CntrlBase): def create(self, options, ruby_system, system): self.version = self.versionCount() self.L1cache = TCPCache(tagAccessLatency = options.TCP_latency, dataAccessLatency = options.TCP_latency) self.L1cache.resourceStalls = options.no_resource_stalls 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 if options.tcp_deadlock_threshold: self.coalescer.deadlock_threshold = \ options.tcp_deadlock_threshold self.coalescer.max_coalesces_per_cycle = \ options.max_coalesces_per_cycle self.sequencer = RubySequencer() self.sequencer.version = self.seqCount() 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 def createCP(self, options, ruby_system, system): self.version = self.versionCount() self.L1cache = TCPCache(tagAccessLatency = options.TCP_latency, dataAccessLatency = options.TCP_latency) self.L1cache.resourceStalls = options.no_resource_stalls 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.dcache = self.L1cache self.sequencer.ruby_system = ruby_system self.sequencer.is_cpu_sequencer = True self.use_seq_not_coal = True 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 = TreePLRURP() 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 = options.no_resource_stalls self.sequencer = RubySequencer() self.sequencer.version = self.seqCount() self.sequencer.dcache = self.L1cache self.sequencer.ruby_system = ruby_system self.sequencer.support_data_reqs = False self.sequencer.is_cpu_sequencer = False if options.sqc_deadlock_threshold: self.sequencer.deadlock_threshold = \ options.sqc_deadlock_threshold 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 = True 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 / int(self.assoc)) < 128): self.size.value = int(128 * self.assoc) self.start_index_bit = math.log(options.cacheline_size, 2) + \ math.log(options.num_tccs, 2) self.replacement_policy = TreePLRURP() class TCCCntrl(TCC_Controller, CntrlBase): def create(self, options, ruby_system, system): self.version = self.versionCount() self.L2cache = TCC() self.L2cache.create(options) self.L2cache.resourceStalls = options.no_tcc_resource_stalls 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 = TreePLRURP() 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 class DirCntrl(Directory_Controller, CntrlBase): def create(self, options, dir_ranges, ruby_system, system): self.version = self.versionCount() self.response_latency = 30 self.addr_ranges = dir_ranges self.directory = RubyDirectoryMemory() self.L3CacheMemory = L3Cache() self.L3CacheMemory.create(options, ruby_system, system) self.l3_hit_latency = max(self.L3CacheMemory.dataAccessLatency, self.L3CacheMemory.tagAccessLatency) self.number_of_TBEs = options.num_tbes 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 def define_options(parser): parser.add_argument("--num-subcaches", type=int, default=4) parser.add_argument("--l3-data-latency", type=int, default=20) parser.add_argument("--l3-tag-latency", type=int, default=15) parser.add_argument("--cpu-to-dir-latency", type=int, default=120) parser.add_argument("--gpu-to-dir-latency", type=int, default=120) parser.add_argument("--no-resource-stalls", action="store_false", default=True) parser.add_argument("--no-tcc-resource-stalls", action="store_false", default=True) parser.add_argument("--use-L3-on-WT", action="store_true", default=False) parser.add_argument("--num-tbes", type=int, default=256) parser.add_argument("--l2-latency", type=int, default=50) # load to use parser.add_argument("--num-tccs", type=int, default=1, help="number of TCC banks in the GPU") parser.add_argument("--sqc-size", type=str, default='32kB', help="SQC cache size") parser.add_argument("--sqc-assoc", type=int, default=8, help="SQC cache assoc") parser.add_argument("--sqc-deadlock-threshold", type=int, help="Set the SQC deadlock threshold to some value") parser.add_argument("--WB_L1", action="store_true", default=False, help="writeback L1") parser.add_argument("--WB_L2", action="store_true", default=False, help="writeback L2") parser.add_argument("--TCP_latency", type=int, default=4, help="In combination with the number of banks for the " "TCP, this determines how many requests can happen " "per cycle (i.e., the bandwidth)") parser.add_argument("--TCC_latency", type=int, default=16, help="TCC latency") parser.add_argument("--tcc-size", type=str, default='256kB', help="agregate tcc size") parser.add_argument("--tcc-assoc", type=int, default=16, help="tcc assoc") parser.add_argument("--tcp-size", type=str, default='16kB', help="tcp size") parser.add_argument("--tcp-assoc", type=int, default=16, help="tcp assoc") parser.add_argument("--tcp-deadlock-threshold", type=int, help="Set the TCP deadlock threshold to some value") parser.add_argument("--max-coalesces-per-cycle", type=int, default=1, help="Maximum insts that may coalesce in a cycle") parser.add_argument("--noL1", action="store_true", default=False, help="bypassL1") parser.add_argument("--scalar-buffer-size", type=int, default=128, help="Size of the mandatory queue in the GPU scalar " "cache controller") def construct_dirs(options, system, ruby_system, network): 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)) if options.numa_high_bit: numa_bit = options.numa_high_bit else: # if the numa_bit is not specified, set the directory bits as the # lowest bits above the block offset bits, and the numa_bit as the # highest of those directory bits dir_bits = int(math.log(options.num_dirs, 2)) block_size_bits = int(math.log(options.cacheline_size, 2)) numa_bit = block_size_bits + dir_bits - 1 for i in range(options.num_dirs): dir_ranges = [] for r in system.mem_ranges: addr_range = m5.objects.AddrRange(r.start, size = r.size(), intlvHighBit = numa_bit, intlvBits = dir_bits, intlvMatch = i) dir_ranges.append(addr_range) dir_cntrl = DirCntrl(noTCCdir = True, TCC_select_num_bits = TCC_bits) dir_cntrl.create(options, dir_ranges, ruby_system, system) dir_cntrl.number_of_TBEs = options.num_tbes dir_cntrl.useL3OnWT = options.use_L3_on_WT # the number_of_TBEs is inclusive of TBEs below # Connect the Directory controller to the ruby network dir_cntrl.requestFromCores = MessageBuffer(ordered = True) dir_cntrl.requestFromCores.in_port = network.out_port dir_cntrl.responseFromCores = MessageBuffer() dir_cntrl.responseFromCores.in_port = network.out_port dir_cntrl.unblockFromCores = MessageBuffer() dir_cntrl.unblockFromCores.in_port = network.out_port dir_cntrl.probeToCore = MessageBuffer() dir_cntrl.probeToCore.out_port = network.in_port dir_cntrl.responseToCore = MessageBuffer() dir_cntrl.responseToCore.out_port = network.in_port dir_cntrl.triggerQueue = MessageBuffer(ordered = True) dir_cntrl.L3triggerQueue = MessageBuffer(ordered = True) dir_cntrl.requestToMemory = MessageBuffer(ordered = True) dir_cntrl.responseFromMemory = MessageBuffer(ordered = True) dir_cntrl.requestFromDMA = MessageBuffer(ordered=True) dir_cntrl.requestFromDMA.in_port = network.out_port dir_cntrl.responseToDMA = MessageBuffer() dir_cntrl.responseToDMA.out_port = network.in_port exec("ruby_system.dir_cntrl%d = dir_cntrl" % i) dir_cntrl_nodes.append(dir_cntrl) return dir_cntrl_nodes def construct_gpudirs(options, system, ruby_system, network): dir_cntrl_nodes = [] mem_ctrls = [] xor_low_bit = 0 # For an odd number of CPUs, still create the right number of controllers TCC_bits = int(math.log(options.num_tccs, 2)) dir_bits = int(math.log(options.dgpu_num_dirs, 2)) block_size_bits = int(math.log(options.cacheline_size, 2)) numa_bit = block_size_bits + dir_bits - 1 gpu_mem_range = AddrRange(0, size = options.dgpu_mem_size) for i in range(options.dgpu_num_dirs): addr_range = m5.objects.AddrRange(gpu_mem_range.start, size = gpu_mem_range.size(), intlvHighBit = numa_bit, intlvBits = dir_bits, intlvMatch = i, xorHighBit = xor_low_bit) dir_cntrl = DirCntrl(noTCCdir = True, TCC_select_num_bits = TCC_bits) dir_cntrl.create(options, [addr_range], ruby_system, system) dir_cntrl.number_of_TBEs = options.num_tbes dir_cntrl.useL3OnWT = False # Connect the Directory controller to the ruby network dir_cntrl.requestFromCores = MessageBuffer(ordered = True) dir_cntrl.requestFromCores.in_port = network.out_port dir_cntrl.responseFromCores = MessageBuffer() dir_cntrl.responseFromCores.in_port = network.out_port dir_cntrl.unblockFromCores = MessageBuffer() dir_cntrl.unblockFromCores.in_port = network.out_port dir_cntrl.probeToCore = MessageBuffer() dir_cntrl.probeToCore.out_port = network.in_port dir_cntrl.responseToCore = MessageBuffer() dir_cntrl.responseToCore.out_port = network.in_port dir_cntrl.triggerQueue = MessageBuffer(ordered = True) dir_cntrl.L3triggerQueue = MessageBuffer(ordered = True) dir_cntrl.requestToMemory = MessageBuffer() dir_cntrl.responseFromMemory = MessageBuffer() dir_cntrl.requestFromDMA = MessageBuffer(ordered=True) dir_cntrl.requestFromDMA.in_port = network.out_port dir_cntrl.responseToDMA = MessageBuffer() dir_cntrl.responseToDMA.out_port = network.in_port dir_cntrl.requestToMemory = MessageBuffer() dir_cntrl.responseFromMemory = MessageBuffer() # Create memory controllers too mem_type = ObjectList.mem_list.get(options.dgpu_mem_type) dram_intf = MemConfig.create_mem_intf(mem_type, gpu_mem_range, i, int(math.log(options.dgpu_num_dirs, 2)), options.cacheline_size, xor_low_bit) if issubclass(mem_type, DRAMInterface): mem_ctrl = m5.objects.MemCtrl(dram = dram_intf) else: mem_ctrl = dram_intf mem_ctrl.port = dir_cntrl.memory_out_port mem_ctrl.dram.enable_dram_powerdown = False dir_cntrl.addr_ranges = dram_intf.range # Append exec("system.ruby.gpu_dir_cntrl%d = dir_cntrl" % i) dir_cntrl_nodes.append(dir_cntrl) mem_ctrls.append(mem_ctrl) system.gpu_mem_ctrls = mem_ctrls return dir_cntrl_nodes, mem_ctrls def construct_corepairs(options, system, ruby_system, network): cpu_sequencers = [] cp_cntrl_nodes = [] for i in range((options.num_cpus + 1) // 2): cp_cntrl = CPCntrl() cp_cntrl.create(options, ruby_system, system) exec("ruby_system.cp_cntrl%d = cp_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.out_port = network.in_port cp_cntrl.responseFromCore = MessageBuffer() cp_cntrl.responseFromCore.out_port = network.in_port cp_cntrl.unblockFromCore = MessageBuffer() cp_cntrl.unblockFromCore.out_port = network.in_port cp_cntrl.probeToCore = MessageBuffer() cp_cntrl.probeToCore.in_port = network.out_port cp_cntrl.responseToCore = MessageBuffer() cp_cntrl.responseToCore.in_port = network.out_port cp_cntrl.mandatoryQueue = MessageBuffer() cp_cntrl.triggerQueue = MessageBuffer(ordered = True) cp_cntrl_nodes.append(cp_cntrl) return (cpu_sequencers, cp_cntrl_nodes) def construct_tcps(options, system, ruby_system, network): tcp_sequencers = [] tcp_cntrl_nodes = [] # For an odd number of CPUs, still create the right number of controllers TCC_bits = int(math.log(options.num_tccs, 2)) 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 = options.noL1 tcp_cntrl.L1cache.tagAccessLatency = options.TCP_latency tcp_cntrl.L1cache.dataAccessLatency = options.TCP_latency exec("ruby_system.tcp_cntrl%d = tcp_cntrl" % i) # # Add controllers and sequencers to the appropriate lists # tcp_sequencers.append(tcp_cntrl.coalescer) tcp_cntrl_nodes.append(tcp_cntrl) # Connect the TCP controller to the ruby network tcp_cntrl.requestFromTCP = MessageBuffer(ordered = True) tcp_cntrl.requestFromTCP.out_port = network.in_port tcp_cntrl.responseFromTCP = MessageBuffer(ordered = True) tcp_cntrl.responseFromTCP.out_port = network.in_port tcp_cntrl.unblockFromCore = MessageBuffer() tcp_cntrl.unblockFromCore.out_port = network.in_port tcp_cntrl.probeToTCP = MessageBuffer(ordered = True) tcp_cntrl.probeToTCP.in_port = network.out_port tcp_cntrl.responseToTCP = MessageBuffer(ordered = True) tcp_cntrl.responseToTCP.in_port = network.out_port tcp_cntrl.mandatoryQueue = MessageBuffer() return (tcp_sequencers, tcp_cntrl_nodes) def construct_sqcs(options, system, ruby_system, network): sqc_sequencers = [] sqc_cntrl_nodes = [] # For an odd number of CPUs, still create the right number of controllers TCC_bits = int(math.log(options.num_tccs, 2)) for i in range(options.num_sqc): sqc_cntrl = SQCCntrl(TCC_select_num_bits = TCC_bits) sqc_cntrl.create(options, ruby_system, system) exec("ruby_system.sqc_cntrl%d = sqc_cntrl" % i) # # Add controllers and sequencers to the appropriate lists # sqc_sequencers.append(sqc_cntrl.sequencer) sqc_cntrl_nodes.append(sqc_cntrl) # Connect the SQC controller to the ruby network sqc_cntrl.requestFromSQC = MessageBuffer(ordered = True) sqc_cntrl.requestFromSQC.out_port = network.in_port sqc_cntrl.probeToSQC = MessageBuffer(ordered = True) sqc_cntrl.probeToSQC.in_port = network.out_port sqc_cntrl.responseToSQC = MessageBuffer(ordered = True) sqc_cntrl.responseToSQC.in_port = network.out_port sqc_cntrl.mandatoryQueue = MessageBuffer() return (sqc_sequencers, sqc_cntrl_nodes) def construct_scalars(options, system, ruby_system, network): scalar_sequencers = [] scalar_cntrl_nodes = [] # For an odd number of CPUs, still create the right number of controllers TCC_bits = int(math.log(options.num_tccs, 2)) for i in range(options.num_scalar_cache): scalar_cntrl = SQCCntrl(TCC_select_num_bits = TCC_bits) scalar_cntrl.create(options, ruby_system, system) exec('ruby_system.scalar_cntrl%d = scalar_cntrl' % i) scalar_sequencers.append(scalar_cntrl.sequencer) scalar_cntrl_nodes.append(scalar_cntrl) scalar_cntrl.requestFromSQC = MessageBuffer(ordered = True) scalar_cntrl.requestFromSQC.out_port = network.in_port scalar_cntrl.probeToSQC = MessageBuffer(ordered = True) scalar_cntrl.probeToSQC.in_port = network.out_port scalar_cntrl.responseToSQC = MessageBuffer(ordered = True) scalar_cntrl.responseToSQC.in_port = network.out_port scalar_cntrl.mandatoryQueue = \ MessageBuffer(buffer_size=options.scalar_buffer_size) return (scalar_sequencers, scalar_cntrl_nodes) def construct_cmdprocs(options, system, ruby_system, network): cmdproc_sequencers = [] cmdproc_cntrl_nodes = [] # For an odd number of CPUs, still create the right number of controllers TCC_bits = int(math.log(options.num_tccs, 2)) for i in range(options.num_cp): tcp_ID = options.num_compute_units + i sqc_ID = options.num_sqc + i tcp_cntrl = TCPCntrl(TCC_select_num_bits = TCC_bits, issue_latency = 1, number_of_TBEs = 2560) # TBEs set to max outstanding requests tcp_cntrl.createCP(options, ruby_system, system) tcp_cntrl.WB = options.WB_L1 tcp_cntrl.disableL1 = options.noL1 tcp_cntrl.L1cache.tagAccessLatency = options.TCP_latency tcp_cntrl.L1cache.dataAccessLatency = options.TCP_latency exec("ruby_system.tcp_cntrl%d = tcp_cntrl" % tcp_ID) # # Add controllers and sequencers to the appropriate lists # cmdproc_sequencers.append(tcp_cntrl.sequencer) cmdproc_cntrl_nodes.append(tcp_cntrl) # Connect the CP (TCP) controllers to the ruby network tcp_cntrl.requestFromTCP = MessageBuffer(ordered = True) tcp_cntrl.requestFromTCP.out_port = network.in_port tcp_cntrl.responseFromTCP = MessageBuffer(ordered = True) tcp_cntrl.responseFromTCP.out_port = network.in_port tcp_cntrl.unblockFromCore = MessageBuffer(ordered = True) tcp_cntrl.unblockFromCore.out_port = network.in_port tcp_cntrl.probeToTCP = MessageBuffer(ordered = True) tcp_cntrl.probeToTCP.in_port = network.out_port tcp_cntrl.responseToTCP = MessageBuffer(ordered = True) tcp_cntrl.responseToTCP.in_port = network.out_port tcp_cntrl.mandatoryQueue = MessageBuffer() sqc_cntrl = SQCCntrl(TCC_select_num_bits = TCC_bits) sqc_cntrl.create(options, ruby_system, system) exec("ruby_system.sqc_cntrl%d = sqc_cntrl" % sqc_ID) # # Add controllers and sequencers to the appropriate lists # cmdproc_sequencers.append(sqc_cntrl.sequencer) cmdproc_cntrl_nodes.append(sqc_cntrl) return (cmdproc_sequencers, cmdproc_cntrl_nodes) def construct_tccs(options, system, ruby_system, network): tcc_cntrl_nodes = [] for i in range(options.num_tccs): tcc_cntrl = TCCCntrl(l2_response_latency = options.TCC_latency) tcc_cntrl.create(options, ruby_system, system) tcc_cntrl.l2_request_latency = options.gpu_to_dir_latency tcc_cntrl.l2_response_latency = options.TCC_latency tcc_cntrl_nodes.append(tcc_cntrl) tcc_cntrl.WB = options.WB_L2 tcc_cntrl.number_of_TBEs = 2560 * options.num_compute_units # the number_of_TBEs is inclusive of TBEs below # Connect the TCC controllers to the ruby network tcc_cntrl.requestFromTCP = MessageBuffer(ordered = True) tcc_cntrl.requestFromTCP.in_port = network.out_port tcc_cntrl.responseToCore = MessageBuffer(ordered = True) tcc_cntrl.responseToCore.out_port = network.in_port tcc_cntrl.probeFromNB = MessageBuffer() tcc_cntrl.probeFromNB.in_port = network.out_port tcc_cntrl.responseFromNB = MessageBuffer() tcc_cntrl.responseFromNB.in_port = network.out_port tcc_cntrl.requestToNB = MessageBuffer(ordered = True) tcc_cntrl.requestToNB.out_port = network.in_port tcc_cntrl.responseToNB = MessageBuffer() tcc_cntrl.responseToNB.out_port = network.in_port tcc_cntrl.unblockToNB = MessageBuffer() tcc_cntrl.unblockToNB.out_port = network.in_port tcc_cntrl.triggerQueue = MessageBuffer(ordered = True) exec("ruby_system.tcc_cntrl%d = tcc_cntrl" % i) return tcc_cntrl_nodes def create_system(options, full_system, system, dma_devices, bootmem, ruby_system, cpus): if buildEnv['PROTOCOL'] != 'GPU_VIPER': panic("This script requires the GPU_VIPER protocol to be built.") cpu_sequencers = [] # # Must create the individual controllers before the network to ensure the # controller constructors are called before the network constructor # # This is the base crossbar that connects the L3s, Dirs, and cpu/gpu # Clusters crossbar_bw = None mainCluster = None cpuCluster = None gpuCluster = None if hasattr(options, 'bw_scalor') and options.bw_scalor > 0: #Assuming a 2GHz clock crossbar_bw = 16 * options.num_compute_units * options.bw_scalor mainCluster = Cluster(intBW = crossbar_bw) cpuCluster = Cluster(extBW = crossbar_bw, intBW = crossbar_bw) gpuCluster = Cluster(extBW = crossbar_bw, intBW = crossbar_bw) else: mainCluster = Cluster(intBW = 8) # 16 GB/s cpuCluster = Cluster(extBW = 8, intBW = 8) # 16 GB/s gpuCluster = Cluster(extBW = 8, intBW = 8) # 16 GB/s # Create CPU directory controllers dir_cntrl_nodes = \ construct_dirs(options, system, ruby_system, ruby_system.network) for dir_cntrl in dir_cntrl_nodes: mainCluster.add(dir_cntrl) # Create CPU core pairs (cp_sequencers, cp_cntrl_nodes) = \ construct_corepairs(options, system, ruby_system, ruby_system.network) cpu_sequencers.extend(cp_sequencers) for cp_cntrl in cp_cntrl_nodes: cpuCluster.add(cp_cntrl) # Register CPUs and caches for each CorePair and directory (SE mode only) if not full_system: for i in range((options.num_cpus + 1) // 2): FileSystemConfig.register_cpu(physical_package_id = 0, core_siblings = \ range(options.num_cpus), core_id = i*2, thread_siblings = []) FileSystemConfig.register_cpu(physical_package_id = 0, core_siblings = \ range(options.num_cpus), core_id = i*2+1, thread_siblings = []) FileSystemConfig.register_cache(level = 0, idu_type = 'Instruction', size = options.l1i_size, line_size = options.cacheline_size, assoc = options.l1i_assoc, cpus = [i*2, i*2+1]) FileSystemConfig.register_cache(level = 0, idu_type = 'Data', size = options.l1d_size, line_size = options.cacheline_size, assoc = options.l1d_assoc, cpus = [i*2]) FileSystemConfig.register_cache(level = 0, idu_type = 'Data', size = options.l1d_size, line_size = options.cacheline_size, assoc = options.l1d_assoc, cpus = [i*2+1]) FileSystemConfig.register_cache(level = 1, idu_type = 'Unified', size = options.l2_size, line_size = options.cacheline_size, assoc = options.l2_assoc, cpus = [i*2, i*2+1]) for i in range(options.num_dirs): FileSystemConfig.register_cache(level = 2, idu_type = 'Unified', size = options.l3_size, line_size = options.cacheline_size, assoc = options.l3_assoc, cpus = [n for n in range(options.num_cpus)]) # Create TCPs (tcp_sequencers, tcp_cntrl_nodes) = \ construct_tcps(options, system, ruby_system, ruby_system.network) cpu_sequencers.extend(tcp_sequencers) for tcp_cntrl in tcp_cntrl_nodes: gpuCluster.add(tcp_cntrl) # Create SQCs (sqc_sequencers, sqc_cntrl_nodes) = \ construct_sqcs(options, system, ruby_system, ruby_system.network) cpu_sequencers.extend(sqc_sequencers) for sqc_cntrl in sqc_cntrl_nodes: gpuCluster.add(sqc_cntrl) # Create Scalars (scalar_sequencers, scalar_cntrl_nodes) = \ construct_scalars(options, system, ruby_system, ruby_system.network) cpu_sequencers.extend(scalar_sequencers) for scalar_cntrl in scalar_cntrl_nodes: gpuCluster.add(scalar_cntrl) # Create command processors (cmdproc_sequencers, cmdproc_cntrl_nodes) = \ construct_cmdprocs(options, system, ruby_system, ruby_system.network) cpu_sequencers.extend(cmdproc_sequencers) for cmdproc_cntrl in cmdproc_cntrl_nodes: gpuCluster.add(cmdproc_cntrl) # Create TCCs tcc_cntrl_nodes = \ construct_tccs(options, system, ruby_system, ruby_system.network) for tcc_cntrl in tcc_cntrl_nodes: gpuCluster.add(tcc_cntrl) for i, dma_device in enumerate(dma_devices): dma_seq = DMASequencer(version=i, ruby_system=ruby_system) dma_cntrl = DMA_Controller(version=i, dma_sequencer=dma_seq, ruby_system=ruby_system) exec('system.dma_cntrl%d = dma_cntrl' % i) # IDE doesn't have a .type but seems like everything else does. if not hasattr(dma_device, 'type'): exec('system.dma_cntrl%d.dma_sequencer.in_ports = dma_device' % i) elif dma_device.type == 'MemTest': exec('system.dma_cntrl%d.dma_sequencer.in_ports = dma_devices.test' % i) else: exec('system.dma_cntrl%d.dma_sequencer.in_ports = dma_device.dma' % i) dma_cntrl.requestToDir = MessageBuffer(buffer_size=0) dma_cntrl.requestToDir.out_port = ruby_system.network.in_port dma_cntrl.responseFromDir = MessageBuffer(buffer_size=0) dma_cntrl.responseFromDir.in_port = ruby_system.network.out_port dma_cntrl.mandatoryQueue = MessageBuffer(buffer_size = 0) gpuCluster.add(dma_cntrl) # Add cpu/gpu clusters to main cluster mainCluster.add(cpuCluster) mainCluster.add(gpuCluster) ruby_system.network.number_of_virtual_networks = 11 return (cpu_sequencers, dir_cntrl_nodes, mainCluster)