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# 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)