diff options
26 files changed, 666 insertions, 434 deletions
diff --git a/configs/example/ruby_direct_test.py b/configs/example/ruby_direct_test.py index f591d47ea..1fcad30a9 100644 --- a/configs/example/ruby_direct_test.py +++ b/configs/example/ruby_direct_test.py @@ -35,6 +35,7 @@ from m5.util import addToPath import os, optparse, sys addToPath('../common') addToPath('../ruby') +addToPath('../topologies') import Options import Ruby diff --git a/configs/example/ruby_fs.py b/configs/example/ruby_fs.py index 35e485c7a..97863a46b 100644 --- a/configs/example/ruby_fs.py +++ b/configs/example/ruby_fs.py @@ -40,6 +40,7 @@ from m5.util import addToPath, fatal addToPath('../common') addToPath('../ruby') +addToPath('../topologies') import Ruby diff --git a/configs/example/ruby_mem_test.py b/configs/example/ruby_mem_test.py index 4d7932b77..e3dab955c 100644 --- a/configs/example/ruby_mem_test.py +++ b/configs/example/ruby_mem_test.py @@ -35,6 +35,7 @@ from m5.util import addToPath import os, optparse, sys addToPath('../common') addToPath('../ruby') +addToPath('../topologies') import Options import Ruby diff --git a/configs/example/ruby_network_test.py b/configs/example/ruby_network_test.py index 1d44813ac..58e8b2e40 100644 --- a/configs/example/ruby_network_test.py +++ b/configs/example/ruby_network_test.py @@ -35,6 +35,7 @@ from m5.util import addToPath import os, optparse, sys addToPath('../common') addToPath('../ruby') +addToPath('../topologies') import Options import Ruby diff --git a/configs/example/ruby_random_test.py b/configs/example/ruby_random_test.py index b4d32b72c..eae3873b7 100644 --- a/configs/example/ruby_random_test.py +++ b/configs/example/ruby_random_test.py @@ -35,6 +35,7 @@ from m5.util import addToPath import os, optparse, sys addToPath('../common') addToPath('../ruby') +addToPath('../topologies') import Options import Ruby diff --git a/configs/example/se.py b/configs/example/se.py index 83abbd2f3..fa20c37db 100644 --- a/configs/example/se.py +++ b/configs/example/se.py @@ -52,6 +52,7 @@ from m5.util import addToPath, fatal addToPath('../common') addToPath('../ruby') +addToPath('../topologies') import Options import Ruby diff --git a/configs/ruby/MESI_CMP_directory.py b/configs/ruby/MESI_CMP_directory.py index cd503ddc9..d877543c0 100644 --- a/configs/ruby/MESI_CMP_directory.py +++ b/configs/ruby/MESI_CMP_directory.py @@ -31,6 +31,7 @@ import math import m5 from m5.objects import * from m5.defines import buildEnv +from Ruby import create_topology # # Note: the L1 Cache latency is only used by the sequencer on fast path hits @@ -185,4 +186,6 @@ def create_system(options, system, piobus, dma_ports, ruby_system): dir_cntrl_nodes + \ dma_cntrl_nodes - return (cpu_sequencers, dir_cntrl_nodes, all_cntrls) + topology = create_topology(all_cntrls, options) + + return (cpu_sequencers, dir_cntrl_nodes, topology) diff --git a/configs/ruby/MI_example.py b/configs/ruby/MI_example.py index de82c38f6..4fb55b89f 100644 --- a/configs/ruby/MI_example.py +++ b/configs/ruby/MI_example.py @@ -31,6 +31,7 @@ import math import m5 from m5.objects import * from m5.defines import buildEnv +from Ruby import create_topology # # Note: the cache latency is only used by the sequencer on fast path hits @@ -155,4 +156,6 @@ def create_system(options, system, piobus, dma_ports, ruby_system): all_cntrls = l1_cntrl_nodes + dir_cntrl_nodes + dma_cntrl_nodes - return (cpu_sequencers, dir_cntrl_nodes, all_cntrls) + topology = create_topology(all_cntrls, options) + + return (cpu_sequencers, dir_cntrl_nodes, topology) diff --git a/configs/ruby/MOESI_CMP_directory.py b/configs/ruby/MOESI_CMP_directory.py index 10eeaf21a..bce7be5d6 100644 --- a/configs/ruby/MOESI_CMP_directory.py +++ b/configs/ruby/MOESI_CMP_directory.py @@ -31,6 +31,7 @@ import math import m5 from m5.objects import * from m5.defines import buildEnv +from Ruby import create_topology # # Note: the L1 Cache latency is only used by the sequencer on fast path hits @@ -182,4 +183,6 @@ def create_system(options, system, piobus, dma_ports, ruby_system): dir_cntrl_nodes + \ dma_cntrl_nodes - return (cpu_sequencers, dir_cntrl_nodes, all_cntrls) + topology = create_topology(all_cntrls, options) + + return (cpu_sequencers, dir_cntrl_nodes, topology) diff --git a/configs/ruby/MOESI_CMP_token.py b/configs/ruby/MOESI_CMP_token.py index 4da7d7adf..51cc5fb92 100644 --- a/configs/ruby/MOESI_CMP_token.py +++ b/configs/ruby/MOESI_CMP_token.py @@ -31,6 +31,7 @@ import math import m5 from m5.objects import * from m5.defines import buildEnv +from Ruby import create_topology # # Note: the L1 Cache latency is only used by the sequencer on fast path hits @@ -206,4 +207,6 @@ def create_system(options, system, piobus, dma_ports, ruby_system): dir_cntrl_nodes + \ dma_cntrl_nodes - return (cpu_sequencers, dir_cntrl_nodes, all_cntrls) + topology = create_topology(all_cntrls, options) + + return (cpu_sequencers, dir_cntrl_nodes, topology) diff --git a/configs/ruby/MOESI_hammer.py b/configs/ruby/MOESI_hammer.py index 622296289..48129c0a4 100644 --- a/configs/ruby/MOESI_hammer.py +++ b/configs/ruby/MOESI_hammer.py @@ -31,6 +31,7 @@ import math import m5 from m5.objects import * from m5.defines import buildEnv +from Ruby import create_topology # # Note: the L1 Cache latency is only used by the sequencer on fast path hits @@ -219,4 +220,6 @@ def create_system(options, system, piobus, dma_ports, ruby_system): all_cntrls = l1_cntrl_nodes + dir_cntrl_nodes + dma_cntrl_nodes - return (cpu_sequencers, dir_cntrl_nodes, all_cntrls) + topology = create_topology(all_cntrls, options) + + return (cpu_sequencers, dir_cntrl_nodes, topology) diff --git a/configs/ruby/Network_test.py b/configs/ruby/Network_test.py index b84fabde6..6eae52e86 100644 --- a/configs/ruby/Network_test.py +++ b/configs/ruby/Network_test.py @@ -31,6 +31,7 @@ import m5 from m5.objects import * from m5.defines import buildEnv from m5.util import addToPath +from Ruby import create_topology # # Note: the cache latency is only used by the sequencer on fast path hits @@ -135,4 +136,6 @@ def create_system(options, system, piobus, dma_ports, ruby_system): all_cntrls = l1_cntrl_nodes + dir_cntrl_nodes - return (cpu_sequencers, dir_cntrl_nodes, all_cntrls) + topology = create_topology(all_cntrls, options) + + return (cpu_sequencers, dir_cntrl_nodes, topology) diff --git a/configs/ruby/Ruby.py b/configs/ruby/Ruby.py index 87939fac8..82b8d0111 100644 --- a/configs/ruby/Ruby.py +++ b/configs/ruby/Ruby.py @@ -79,6 +79,16 @@ def define_options(parser): exec "import %s" % protocol eval("%s.define_options(parser)" % protocol) +def create_topology(controllers, options): + """ Called from create_system in configs/ruby/<protocol>.py + Must return an object which is a subclass of BaseTopology + found in configs/topologies/BaseTopology.py + This is a wrapper for the legacy topologies. + """ + exec "import %s as Topo" % options.topology + topology = eval("Topo.%s(controllers)" % options.topology) + return topology + def create_system(options, system, piobus = None, dma_ports = []): system.ruby = RubySystem(clock = options.clock, @@ -89,7 +99,7 @@ def create_system(options, system, piobus = None, dma_ports = []): protocol = buildEnv['PROTOCOL'] exec "import %s" % protocol try: - (cpu_sequencers, dir_cntrls, all_cntrls) = \ + (cpu_sequencers, dir_cntrls, topology) = \ eval("%s.create_system(options, system, piobus, dma_ports, ruby)" % protocol) except: @@ -128,17 +138,17 @@ def create_system(options, system, piobus = None, dma_ports = []): class RouterClass(BasicRouter): pass # - # Important: the topology must be created before the network and after the - # controllers. + # Important: the topology must be instantiated before the network and after + # the controllers. Hence the separation between topology definition and + # instantiation. TopologyCreator is in src/mem/ruby/network/topologies/. # - exec "import %s" % options.topology + from TopologyCreator import instantiateTopology try: - net_topology = eval("%s.makeTopology(all_cntrls, options, \ - IntLinkClass, ExtLinkClass, \ - RouterClass)" \ - % options.topology) + net_topology = instantiateTopology(topology, options, \ + IntLinkClass, ExtLinkClass, \ + RouterClass) except: - print "Error: could not create topology %s" % options.topology + print "Error: could not make topology %s" % options.topology raise if options.network_fault_model: diff --git a/configs/topologies/BaseTopology.py b/configs/topologies/BaseTopology.py new file mode 100644 index 000000000..114a29f19 --- /dev/null +++ b/configs/topologies/BaseTopology.py @@ -0,0 +1,51 @@ +# Copyright (c) 2012 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: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# 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; +# neither the name of the copyright holders 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 +# OWNER 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: Jason Power + + +class BaseTopology(object): + description = "BaseTopology" + + def __init__(self): + """ When overriding place any objects created in + configs/ruby/<protocol>.py that are needed in + makeTopology (below) here. The minimum is usually + all of the controllers created in the above file. + """ + + def makeTopology(self, options, IntLink, ExtLink, Router): + """ Called from src/mem/ruby/network/topologies/TopologyCreatory.py + The return value is ( list(Router), list(IntLink), list(ExtLink)) + The API of this function cannot change when subclassing!! + Any additional information needed to create this topology should + be passed into the constructor when it's instantiated in + configs/ruby/<protocol>.py + """ + print "BaseTopology should have been overridden in a sub class!!" + import sys + sys.exit(1) + diff --git a/configs/topologies/Cluster.py b/configs/topologies/Cluster.py new file mode 100644 index 000000000..e5c6dac0e --- /dev/null +++ b/configs/topologies/Cluster.py @@ -0,0 +1,117 @@ +# Copyright (c) 2012 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: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# 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; +# neither the name of the copyright holders 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 +# OWNER 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: Jason Power + + +from BaseTopology import BaseTopology + +class Cluster(BaseTopology): + """ A cluster is a group of nodes which are all one hop from eachother + Clusters can also contain other clusters + When creating this kind of topology, return a single cluster (usually + the root cluster) from create_system in configs/ruby/<protocol>.py + """ + + _num_int_links = 0 + _num_ext_links = 0 + _num_routers = 0 + + # Below methods for auto counting + @classmethod + def num_int_links(cls): + cls._num_int_links += 1 + return cls._num_int_links - 1 + @classmethod + def num_ext_links(cls): + cls._num_ext_links += 1 + return cls._num_ext_links - 1 + @classmethod + def num_routers(cls): + cls._num_routers += 1 + return cls._num_routers - 1 + + def __init__(self, intBW=0, extBW=0, intLatency=0, extLatency=0): + """ internalBandwidth is bandwidth of all links within the cluster + externalBandwidth is bandwidth from this cluster to any cluster + connecting to it. + internal/externalLatency are similar + **** When creating a cluster with sub-clusters, the sub-cluster + external bandwidth overrides the internal bandwidth of the + super cluster + """ + self.nodes = [] + self.router = None # created in makeTopology + self.intBW = intBW + self.extBW = extBW + self.intLatency = intLatency + self.extLatency = extLatency + + def add(self, node): + self.nodes.append(node) + + def makeTopology(self, options, IntLink, ExtLink, Router): + """ Recursively make all of the links and routers + """ + routers = [] + int_links = [] + ext_links = [] + + # make a router to connect all of the nodes + self.router = Router(router_id=self.num_routers()) + routers.append(self.router) + for node in self.nodes: + if type(node) == Cluster: + subRouters, subIntLinks, subExtLinks = node.makeTopology(options, IntLink, ExtLink, Router) + routers += subRouters + int_links += subIntLinks + ext_links += subExtLinks + + # connect this cluster to the router + link = IntLink(link_id=self.num_int_links(), node_a=self.router, node_b=node.router) + if node.extBW: + link.bandwidth_factor = node.extBW + elif self.intBW: # if there is an interanl b/w for this node and no ext b/w to override + link.bandwidth_factor = self.intBW + + if node.extLatency: + link.latency = node.extLatency + elif self.intLatency: + link.latency = self.intLatency + + int_links.append(link) + else: + # node is just a controller connect it to the router via a ext_link + link = ExtLink(link_id=self.num_ext_links(), ext_node=node, int_node=self.router) + if self.intBW: + link.bandwidth_factor = self.intBW + if self.intLatency: + link.latency = self.intLatency + + ext_links.append(link) + + return routers, int_links, ext_links + diff --git a/src/mem/ruby/network/topologies/Crossbar.py b/configs/topologies/Crossbar.py index 04e01ee1c..e66492922 100644 --- a/src/mem/ruby/network/topologies/Crossbar.py +++ b/configs/topologies/Crossbar.py @@ -29,23 +29,28 @@ from m5.params import * from m5.objects import * -class Crossbar(Topology): +from BaseTopology import BaseTopology + +class Crossbar(BaseTopology): description='Crossbar' -def makeTopology(nodes, options, IntLink, ExtLink, Router): - # Create an individual router for each controller plus one more for the - # centralized crossbar. The large numbers of routers are needed because - # external links do not model outgoing bandwidth in the simple network, but - # internal links do. - cb = Crossbar() - cb.routers = [Router(router_id=i) for i in range(len(nodes)+1)] - cb.ext_links = [ExtLink(link_id=i, ext_node=n, int_node=cb.routers[i]) - for (i, n) in enumerate(nodes)] - link_count = len(nodes) - xbar = cb.routers[len(nodes)] # the crossbar router is the last router created - cb.int_links = [IntLink(link_id=(link_count+i), - node_a=cb.routers[i], node_b=xbar) - for i in range(len(nodes))] - return cb + def __init__(self, controllers): + self.nodes = controllers + + def makeTopology(self, options, IntLink, ExtLink, Router): + # Create an individual router for each controller plus one more for the + # centralized crossbar. The large numbers of routers are needed because + # external links do not model outgoing bandwidth in the simple network, but + # internal links do. + + routers = [Router(router_id=i) for i in range(len(self.nodes)+1)] + ext_links = [ExtLink(link_id=i, ext_node=n, int_node=routers[i]) + for (i, n) in enumerate(self.nodes)] + link_count = len(self.nodes) + xbar = routers[len(self.nodes)] # the crossbar router is the last router created + int_links = [IntLink(link_id=(link_count+i), + node_a=routers[i], node_b=xbar) + for i in range(len(self.nodes))] + return routers, int_links, ext_links diff --git a/configs/topologies/Mesh.py b/configs/topologies/Mesh.py new file mode 100644 index 000000000..b1f2e6751 --- /dev/null +++ b/configs/topologies/Mesh.py @@ -0,0 +1,114 @@ +# Copyright (c) 2010 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: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# 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; +# neither the name of the copyright holders 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 +# OWNER 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: Brad Beckmann + +from m5.params import * +from m5.objects import * + +from BaseTopology import BaseTopology + +class Mesh(BaseTopology): + description='Mesh' + + def __init__(self, controllers): + self.nodes = controllers + + # Makes a generic mesh assuming an equal number of cache and directory cntrls + + def makeTopology(self, options, IntLink, ExtLink, Router): + nodes = self.nodes + + num_routers = options.num_cpus + num_rows = options.mesh_rows + + # There must be an evenly divisible number of cntrls to routers + # Also, obviously the number or rows must be <= the number of routers + cntrls_per_router, remainder = divmod(len(nodes), num_routers) + assert(num_rows <= num_routers) + num_columns = int(num_routers / num_rows) + assert(num_columns * num_rows == num_routers) + + # Create the routers in the mesh + routers = [Router(router_id=i) for i in range(num_routers)] + + # link counter to set unique link ids + link_count = 0 + + # Add all but the remainder nodes to the list of nodes to be uniformly + # distributed across the network. + network_nodes = [] + remainder_nodes = [] + for node_index in xrange(len(nodes)): + if node_index < (len(nodes) - remainder): + network_nodes.append(nodes[node_index]) + else: + remainder_nodes.append(nodes[node_index]) + + # Connect each node to the appropriate router + ext_links = [] + for (i, n) in enumerate(network_nodes): + cntrl_level, router_id = divmod(i, num_routers) + assert(cntrl_level < cntrls_per_router) + ext_links.append(ExtLink(link_id=link_count, ext_node=n, + int_node=routers[router_id])) + link_count += 1 + + # Connect the remainding nodes to router 0. These should only be + # DMA nodes. + for (i, node) in enumerate(remainder_nodes): + assert(node.type == 'DMA_Controller') + assert(i < remainder) + ext_links.append(ExtLink(link_id=link_count, ext_node=node, + int_node=routers[0])) + link_count += 1 + + # Create the mesh links. First row (east-west) links then column + # (north-south) links + int_links = [] + for row in xrange(num_rows): + for col in xrange(num_columns): + if (col + 1 < num_columns): + east_id = col + (row * num_columns) + west_id = (col + 1) + (row * num_columns) + int_links.append(IntLink(link_id=link_count, + node_a=routers[east_id], + node_b=routers[west_id], + weight=1)) + link_count += 1 + + for col in xrange(num_columns): + for row in xrange(num_rows): + if (row + 1 < num_rows): + north_id = col + (row * num_columns) + south_id = col + ((row + 1) * num_columns) + int_links.append(IntLink(link_id=link_count, + node_a=routers[north_id], + node_b=routers[south_id], + weight=2)) + link_count += 1 + + return routers, int_links, ext_links diff --git a/configs/topologies/MeshDirCorners.py b/configs/topologies/MeshDirCorners.py new file mode 100644 index 000000000..23bcde5a6 --- /dev/null +++ b/configs/topologies/MeshDirCorners.py @@ -0,0 +1,134 @@ +# Copyright (c) 2010 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: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# 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; +# neither the name of the copyright holders 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 +# OWNER 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: Brad Beckmann + +from m5.params import * +from m5.objects import * + +from BaseTopology import BaseTopology + +class MeshDirCorners(BaseTopology): + description='MeshDirCorners' + + def __init__(self, controllers): + self.nodes = controllers + + # This file contains a special network creation function. This + # networks is not general and will only work with specific system + # configurations. The network specified is similar to GEMS old file + # specified network. + + def makeTopology(self, options, IntLink, ExtLink, Router): + nodes = self.nodes + + num_routers = options.num_cpus + num_rows = options.mesh_rows + + # First determine which nodes are cache cntrls vs. dirs vs. dma + cache_nodes = [] + dir_nodes = [] + dma_nodes = [] + for node in nodes: + if node.type == 'L1Cache_Controller' or \ + node.type == 'L2Cache_Controller': + cache_nodes.append(node) + elif node.type == 'Directory_Controller': + dir_nodes.append(node) + elif node.type == 'DMA_Controller': + dma_nodes.append(node) + + # Obviously the number or rows must be <= the number of routers + # and evenly divisible. Also the number of caches must be a + # multiple of the number of routers and the number of directories + # must be four. + assert(num_rows <= num_routers) + num_columns = int(num_routers / num_rows) + assert(num_columns * num_rows == num_routers) + caches_per_router, remainder = divmod(len(cache_nodes), num_routers) + assert(remainder == 0) + assert(len(dir_nodes) == 4) + + # Create the routers in the mesh + routers = [Router(router_id=i) for i in range(num_routers)] + + # link counter to set unique link ids + link_count = 0 + + # Connect each cache controller to the appropriate router + ext_links = [] + for (i, n) in enumerate(cache_nodes): + cntrl_level, router_id = divmod(i, num_routers) + assert(cntrl_level < caches_per_router) + ext_links.append(ExtLink(link_id=link_count, ext_node=n, + int_node=routers[router_id])) + link_count += 1 + + # Connect the dir nodes to the corners. + ext_links.append(ExtLink(link_id=link_count, ext_node=dir_nodes[0], + int_node=routers[0])) + link_count += 1 + ext_links.append(ExtLink(link_id=link_count, ext_node=dir_nodes[1], + int_node=routers[num_columns - 1])) + link_count += 1 + ext_links.append(ExtLink(link_id=link_count, ext_node=dir_nodes[2], + int_node=routers[num_routers - num_columns])) + link_count += 1 + ext_links.append(ExtLink(link_id=link_count, ext_node=dir_nodes[3], + int_node=routers[num_routers - 1])) + link_count += 1 + + # Connect the dma nodes to router 0. These should only be DMA nodes. + for (i, node) in enumerate(dma_nodes): + assert(node.type == 'DMA_Controller') + ext_links.append(ExtLink(link_id=link_count, ext_node=node, int_node=routers[0])) + + # Create the mesh links. First row (east-west) links then column + # (north-south) links + int_links = [] + for row in xrange(num_rows): + for col in xrange(num_columns): + if (col + 1 < num_columns): + east_id = col + (row * num_columns) + west_id = (col + 1) + (row * num_columns) + int_links.append(IntLink(link_id=link_count, + node_a=routers[east_id], + node_b=routers[west_id], + weight=1)) + link_count += 1 + + for col in xrange(num_columns): + for row in xrange(num_rows): + if (row + 1 < num_rows): + north_id = col + (row * num_columns) + south_id = col + ((row + 1) * num_columns) + int_links.append(IntLink(link_id=link_count, + node_a=routers[north_id], + node_b=routers[south_id], + weight=2)) + link_count += 1 + + return routers, int_links, ext_links diff --git a/src/mem/ruby/network/topologies/Pt2Pt.py b/configs/topologies/Pt2Pt.py index f6ca13626..360811272 100644 --- a/src/mem/ruby/network/topologies/Pt2Pt.py +++ b/configs/topologies/Pt2Pt.py @@ -31,27 +31,30 @@ from m5.params import * from m5.objects import * -class Pt2Pt(Topology): +from BaseTopology import BaseTopology + +class Pt2Pt(BaseTopology): description='Pt2Pt' -def makeTopology(nodes, options, IntLink, ExtLink, Router): - # Create an individual router for each controller, and connect all to all. - pt2pt = Pt2Pt() - pt2pt.routers = [Router(router_id=i) for i in range(len(nodes))] - ext_links = [ExtLink(link_id=i, ext_node=n, int_node=pt2pt.routers[i]) - for (i, n) in enumerate(nodes)] - link_count = len(nodes) - - int_links = [] - for i in xrange(len(nodes)): - for j in xrange(len(nodes)): - if (i != j): - link_count += 1 - int_links.append(IntLink(link_id=link_count, - node_a=pt2pt.routers[i], - node_b=pt2pt.routers[j])) - - pt2pt.ext_links = ext_links - pt2pt.int_links = int_links - - return pt2pt + def __init__(self, controllers): + self.nodes = controllers + + def makeTopology(self, options, IntLink, ExtLink, Router): + nodes = self.nodes + # Create an individual router for each controller, and connect all to all. + + routers = [Router(router_id=i) for i in range(len(nodes))] + ext_links = [ExtLink(link_id=i, ext_node=n, int_node=routers[i]) + for (i, n) in enumerate(nodes)] + link_count = len(nodes) + + int_links = [] + for i in xrange(len(nodes)): + for j in xrange(len(nodes)): + if (i != j): + link_count += 1 + int_links.append(IntLink(link_id=link_count, + node_a=routers[i], + node_b=routers[j])) + + return routers, int_links, ext_links diff --git a/configs/topologies/Torus.py b/configs/topologies/Torus.py new file mode 100644 index 000000000..7fbcbf55b --- /dev/null +++ b/configs/topologies/Torus.py @@ -0,0 +1,126 @@ +# Copyright (c) 2011 Advanced Micro Devices, Inc. +# 2011 Massachusetts Institute of Technology +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# 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; +# neither the name of the copyright holders 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 +# OWNER 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: Brad Beckmann +# Tushar Krishna + +from m5.params import * +from m5.objects import * + +from BaseTopology import BaseTopology + +class Torus(BaseTopology): + description='Torus' + + def __init__(self, controllers): + self.nodes = controllers + + # Makes a generic torus assuming an equal number of cache and directory cntrls + # Assuming a folded-torus on-chip layout (as shown on gem5 wiki). + # All links (including the wrap-around ones) are of equal length, double that + # of a mesh. Thus, each link is assigned a latency of 2 cycles. + + def makeTopology(self, options, IntLink, ExtLink, Router): + nodes = self.nodes + + num_routers = options.num_cpus + num_rows = options.mesh_rows + + # There must be an evenly divisible number of cntrls to routers + # Also, obviously the number or rows must be <= the number of routers + cntrls_per_router, remainder = divmod(len(nodes), num_routers) + assert(num_rows <= num_routers) + num_columns = int(num_routers / num_rows) + assert(num_columns * num_rows == num_routers) + + # Create the routers in the torus + routers = [Router(router_id=i) for i in range(num_routers)] + + # link counter to set unique link ids + link_count = 0 + + # Add all but the remainder nodes to the list of nodes to be uniformly + # distributed across the network. + network_nodes = [] + remainder_nodes = [] + for node_index in xrange(len(nodes)): + if node_index < (len(nodes) - remainder): + network_nodes.append(nodes[node_index]) + else: + remainder_nodes.append(nodes[node_index]) + + # Connect each node to the appropriate router + ext_links = [] + for (i, n) in enumerate(network_nodes): + cntrl_level, router_id = divmod(i, num_routers) + assert(cntrl_level < cntrls_per_router) + ext_links.append(ExtLink(link_id=link_count, ext_node=n, + int_node=routers[router_id])) + link_count += 1 + + # Connect the remainding nodes to router 0. These should only be + # DMA nodes. + for (i, node) in enumerate(remainder_nodes): + assert(node.type == 'DMA_Controller') + assert(i < remainder) + ext_links.append(ExtLink(link_id=link_count, ext_node=node, + int_node=routers[0])) + link_count += 1 + + # Create the torus links. First row (east-west) links then column + # (north-south) links + # column links are given higher weights to implement XY routing + int_links = [] + for row in xrange(num_rows): + for col in xrange(num_columns): + west_id = col + (row * num_columns) + if (col + 1 < num_columns): + east_id = (col + 1) + (row * num_columns) + else: + east_id = (row * num_columns) + int_links.append(IntLink(link_id=link_count, + node_a=routers[east_id], + node_b=routers[west_id], + latency=2, + weight=1)) + link_count += 1 + + for col in xrange(num_columns): + for row in xrange(num_rows): + north_id = col + (row * num_columns) + if (row + 1 < num_rows): + south_id = col + ((row + 1) * num_columns) + else: + south_id = col + int_links.append(IntLink(link_id=link_count, + node_a=routers[north_id], + node_b=routers[south_id], + latency=2, + weight=2)) + link_count += 1 + + return routers, int_links, ext_links diff --git a/src/mem/ruby/network/topologies/Mesh.py b/src/mem/ruby/network/topologies/Mesh.py deleted file mode 100644 index fa6e63354..000000000 --- a/src/mem/ruby/network/topologies/Mesh.py +++ /dev/null @@ -1,114 +0,0 @@ -# Copyright (c) 2010 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: redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer; -# 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; -# neither the name of the copyright holders 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 -# OWNER 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: Brad Beckmann - -from m5.params import * -from m5.objects import * - -class Mesh(Topology): - description='Mesh' - -# Makes a generic mesh assuming an equal number of cache and directory cntrls - -def makeTopology(nodes, options, IntLink, ExtLink, Router): - - num_routers = options.num_cpus - num_rows = options.mesh_rows - - # There must be an evenly divisible number of cntrls to routers - # Also, obviously the number or rows must be <= the number of routers - cntrls_per_router, remainder = divmod(len(nodes), num_routers) - assert(num_rows <= num_routers) - num_columns = int(num_routers / num_rows) - assert(num_columns * num_rows == num_routers) - - # Create the mesh object - mesh = Mesh() - - # Create the routers in the mesh - mesh.routers = [Router(router_id=i) for i in range(num_routers)] - - # link counter to set unique link ids - link_count = 0 - - # Add all but the remainder nodes to the list of nodes to be uniformly - # distributed across the network. - network_nodes = [] - remainder_nodes = [] - for node_index in xrange(len(nodes)): - if node_index < (len(nodes) - remainder): - network_nodes.append(nodes[node_index]) - else: - remainder_nodes.append(nodes[node_index]) - - # Connect each node to the appropriate router - ext_links = [] - for (i, n) in enumerate(network_nodes): - cntrl_level, router_id = divmod(i, num_routers) - assert(cntrl_level < cntrls_per_router) - ext_links.append(ExtLink(link_id=link_count, ext_node=n, - int_node=mesh.routers[router_id])) - link_count += 1 - - # Connect the remainding nodes to router 0. These should only be - # DMA nodes. - for (i, node) in enumerate(remainder_nodes): - assert(node.type == 'DMA_Controller') - assert(i < remainder) - ext_links.append(ExtLink(link_id=link_count, ext_node=node, - int_node=mesh.routers[0])) - link_count += 1 - - # Create the mesh links. First row (east-west) links then column - # (north-south) links - int_links = [] - for row in xrange(num_rows): - for col in xrange(num_columns): - if (col + 1 < num_columns): - east_id = col + (row * num_columns) - west_id = (col + 1) + (row * num_columns) - int_links.append(IntLink(link_id=link_count, - node_a=mesh.routers[east_id], - node_b=mesh.routers[west_id], - weight=1)) - link_count += 1 - - for col in xrange(num_columns): - for row in xrange(num_rows): - if (row + 1 < num_rows): - north_id = col + (row * num_columns) - south_id = col + ((row + 1) * num_columns) - int_links.append(IntLink(link_id=link_count, - node_a=mesh.routers[north_id], - node_b=mesh.routers[south_id], - weight=2)) - link_count += 1 - - mesh.int_links = int_links - mesh.ext_links = ext_links - - return mesh diff --git a/src/mem/ruby/network/topologies/MeshDirCorners.py b/src/mem/ruby/network/topologies/MeshDirCorners.py deleted file mode 100644 index 7be8b9101..000000000 --- a/src/mem/ruby/network/topologies/MeshDirCorners.py +++ /dev/null @@ -1,132 +0,0 @@ -# Copyright (c) 2010 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: redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer; -# 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; -# neither the name of the copyright holders 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 -# OWNER 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: Brad Beckmann - -from m5.params import * -from m5.objects import * - -class MeshDirCorners(Topology): - description='MeshDirCorners' - -# This file contains a special network creation function. This -# networks is not general and will only work with specific system -# configurations. The network specified is similar to GEMS old file -# specified network. - -def makeTopology(nodes, options, IntLink, ExtLink, Router): - num_routers = options.num_cpus - num_rows = options.mesh_rows - - # First determine which nodes are cache cntrls vs. dirs vs. dma - cache_nodes = [] - dir_nodes = [] - dma_nodes = [] - for node in nodes: - if node.type == 'L1Cache_Controller' or \ - node.type == 'L2Cache_Controller': - cache_nodes.append(node) - elif node.type == 'Directory_Controller': - dir_nodes.append(node) - elif node.type == 'DMA_Controller': - dma_nodes.append(node) - - # Obviously the number or rows must be <= the number of routers - # and evenly divisible. Also the number of caches must be a - # multiple of the number of routers and the number of directories - # must be four. - assert(num_rows <= num_routers) - num_columns = int(num_routers / num_rows) - assert(num_columns * num_rows == num_routers) - caches_per_router, remainder = divmod(len(cache_nodes), num_routers) - assert(remainder == 0) - assert(len(dir_nodes) == 4) - - mesh = MeshDirCorners() - - # Create the routers in the mesh - mesh.routers = [Router(router_id=i) for i in range(num_routers)] - - # link counter to set unique link ids - link_count = 0 - - # Connect each cache controller to the appropriate router - ext_links = [] - for (i, n) in enumerate(cache_nodes): - cntrl_level, router_id = divmod(i, num_routers) - assert(cntrl_level < caches_per_router) - ext_links.append(ExtLink(link_id=link_count, ext_node=n, - int_node=mesh.routers[router_id])) - link_count += 1 - - # Connect the dir nodes to the corners. - ext_links.append(ExtLink(link_id=link_count, ext_node=dir_nodes[0], - int_node=mesh.routers[0])) - link_count += 1 - ext_links.append(ExtLink(link_id=link_count, ext_node=dir_nodes[1], - int_node=mesh.routers[num_columns - 1])) - link_count += 1 - ext_links.append(ExtLink(link_id=link_count, ext_node=dir_nodes[2], - int_node=mesh.routers[num_routers - num_columns])) - link_count += 1 - ext_links.append(ExtLink(link_id=link_count, ext_node=dir_nodes[3], - int_node=mesh.routers[num_routers - 1])) - link_count += 1 - - # Connect the dma nodes to router 0. These should only be DMA nodes. - for (i, node) in enumerate(dma_nodes): - assert(node.type == 'DMA_Controller') - ext_links.append(ExtLink(link_id=link_count, ext_node=node, int_node=mesh.routers[0])) - - # Create the mesh links. First row (east-west) links then column - # (north-south) links - int_links = [] - for row in xrange(num_rows): - for col in xrange(num_columns): - if (col + 1 < num_columns): - east_id = col + (row * num_columns) - west_id = (col + 1) + (row * num_columns) - int_links.append(IntLink(link_id=link_count, - node_a=mesh.routers[east_id], - node_b=mesh.routers[west_id], - weight=1)) - link_count += 1 - - for col in xrange(num_columns): - for row in xrange(num_rows): - if (row + 1 < num_rows): - north_id = col + (row * num_columns) - south_id = col + ((row + 1) * num_columns) - int_links.append(IntLink(link_id=link_count, - node_a=mesh.routers[north_id], - node_b=mesh.routers[south_id], - weight=2)) - link_count += 1 - - mesh.ext_links = ext_links - mesh.int_links = int_links - - return mesh diff --git a/src/mem/ruby/network/topologies/SConscript b/src/mem/ruby/network/topologies/SConscript index a3c41a6d3..3d61f6dd1 100644 --- a/src/mem/ruby/network/topologies/SConscript +++ b/src/mem/ruby/network/topologies/SConscript @@ -33,8 +33,4 @@ Import('*') if env['PROTOCOL'] == 'None': Return() -PySource('', 'Crossbar.py') -PySource('', 'Mesh.py') -PySource('', 'MeshDirCorners.py') -PySource('', 'Pt2Pt.py') -PySource('', 'Torus.py') +PySource('', 'TopologyCreator.py') diff --git a/src/mem/ruby/network/topologies/TopologyCreator.py b/src/mem/ruby/network/topologies/TopologyCreator.py new file mode 100644 index 000000000..d9b989e77 --- /dev/null +++ b/src/mem/ruby/network/topologies/TopologyCreator.py @@ -0,0 +1,19 @@ + + + + +from m5.params import * +from m5.objects import * + +def instantiateTopology(topology, options, IntLink, ExtLink, Router): + + topo = Topology() + topo.description = topology.description + + routers, int_links, ext_links = topology.makeTopology(options, IntLink, ExtLink, Router) + + topo.routers = routers + topo.int_links = int_links + topo.ext_links = ext_links + + return topo diff --git a/src/mem/ruby/network/topologies/Torus.py b/src/mem/ruby/network/topologies/Torus.py deleted file mode 100644 index f3583bfc1..000000000 --- a/src/mem/ruby/network/topologies/Torus.py +++ /dev/null @@ -1,126 +0,0 @@ -# Copyright (c) 2011 Advanced Micro Devices, Inc. -# 2011 Massachusetts Institute of Technology -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are -# met: redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer; -# 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; -# neither the name of the copyright holders 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 -# OWNER 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: Brad Beckmann -# Tushar Krishna - -from m5.params import * -from m5.objects import * - -class Torus(Topology): - description='Torus' - -# Makes a generic torus assuming an equal number of cache and directory cntrls -# Assuming a folded-torus on-chip layout (as shown on gem5 wiki). -# All links (including the wrap-around ones) are of equal length, double that -# of a mesh. Thus, each link is assigned a latency of 2 cycles. - -def makeTopology(nodes, options, IntLink, ExtLink, Router): - - num_routers = options.num_cpus - num_rows = options.mesh_rows - - # There must be an evenly divisible number of cntrls to routers - # Also, obviously the number or rows must be <= the number of routers - cntrls_per_router, remainder = divmod(len(nodes), num_routers) - assert(num_rows <= num_routers) - num_columns = int(num_routers / num_rows) - assert(num_columns * num_rows == num_routers) - - # Create the torus object - torus = Torus() - - # Create the routers in the torus - torus.routers = [Router(router_id=i) for i in range(num_routers)] - - # link counter to set unique link ids - link_count = 0 - - # Add all but the remainder nodes to the list of nodes to be uniformly - # distributed across the network. - network_nodes = [] - remainder_nodes = [] - for node_index in xrange(len(nodes)): - if node_index < (len(nodes) - remainder): - network_nodes.append(nodes[node_index]) - else: - remainder_nodes.append(nodes[node_index]) - - # Connect each node to the appropriate router - ext_links = [] - for (i, n) in enumerate(network_nodes): - cntrl_level, router_id = divmod(i, num_routers) - assert(cntrl_level < cntrls_per_router) - ext_links.append(ExtLink(link_id=link_count, ext_node=n, - int_node=torus.routers[router_id])) - link_count += 1 - - # Connect the remainding nodes to router 0. These should only be - # DMA nodes. - for (i, node) in enumerate(remainder_nodes): - assert(node.type == 'DMA_Controller') - assert(i < remainder) - ext_links.append(ExtLink(link_id=link_count, ext_node=node, - int_node=torus.routers[0])) - link_count += 1 - - # Create the torus links. First row (east-west) links then column - # (north-south) links - # column links are given higher weights to implement XY routing - int_links = [] - for row in xrange(num_rows): - for col in xrange(num_columns): - west_id = col + (row * num_columns) - if (col + 1 < num_columns): - east_id = (col + 1) + (row * num_columns) - else: - east_id = (row * num_columns) - int_links.append(IntLink(link_id=link_count, - node_a=torus.routers[east_id], - node_b=torus.routers[west_id], - latency=2, - weight=1)) - link_count += 1 - - for col in xrange(num_columns): - for row in xrange(num_rows): - north_id = col + (row * num_columns) - if (row + 1 < num_rows): - south_id = col + ((row + 1) * num_columns) - else: - south_id = col - int_links.append(IntLink(link_id=link_count, - node_a=torus.routers[north_id], - node_b=torus.routers[south_id], - latency=2, - weight=2)) - link_count += 1 - - torus.ext_links = ext_links - torus.int_links = int_links - - return torus diff --git a/src/python/m5/SimObject.py b/src/python/m5/SimObject.py index fe0f1f606..0f742a3a2 100644 --- a/src/python/m5/SimObject.py +++ b/src/python/m5/SimObject.py @@ -168,10 +168,15 @@ class MetaSimObject(type): cls._port_refs = multidict() # port ref objects cls._instantiated = False # really instantiated, cloned, or subclassed - # We don't support multiple inheritance. If you want to, you - # must fix multidict to deal with it properly. - if len(bases) > 1: - raise TypeError, "SimObjects do not support multiple inheritance" + # We don't support multiple inheritance of sim objects. If you want + # to, you must fix multidict to deal with it properly. Non sim-objects + # are ok, though + bTotal = 0 + for c in bases: + if isinstance(c, MetaSimObject): + bTotal += 1 + if bTotal > 1: + raise TypeError, "SimObjects do not support multiple inheritance" base = bases[0] |