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Diffstat (limited to 'src/mem/ruby/network/topologies/MeshDirCorners.py')
| -rw-r--r-- | src/mem/ruby/network/topologies/MeshDirCorners.py | 132 |
1 files changed, 0 insertions, 132 deletions
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 |