Network.py revision 6879
16876Ssteve.reinhardt@amd.com# Copyright (c) 2009 Advanced Micro Devices, Inc. 26876Ssteve.reinhardt@amd.com# All rights reserved. 36876Ssteve.reinhardt@amd.com# 46876Ssteve.reinhardt@amd.com# Redistribution and use in source and binary forms, with or without 56876Ssteve.reinhardt@amd.com# modification, are permitted provided that the following conditions are 66876Ssteve.reinhardt@amd.com# met: redistributions of source code must retain the above copyright 76876Ssteve.reinhardt@amd.com# notice, this list of conditions and the following disclaimer; 86876Ssteve.reinhardt@amd.com# redistributions in binary form must reproduce the above copyright 96876Ssteve.reinhardt@amd.com# notice, this list of conditions and the following disclaimer in the 106876Ssteve.reinhardt@amd.com# documentation and/or other materials provided with the distribution; 116876Ssteve.reinhardt@amd.com# neither the name of the copyright holders nor the names of its 126876Ssteve.reinhardt@amd.com# contributors may be used to endorse or promote products derived from 136876Ssteve.reinhardt@amd.com# this software without specific prior written permission. 146876Ssteve.reinhardt@amd.com# 156876Ssteve.reinhardt@amd.com# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 166876Ssteve.reinhardt@amd.com# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 176876Ssteve.reinhardt@amd.com# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 186876Ssteve.reinhardt@amd.com# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 196876Ssteve.reinhardt@amd.com# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 206876Ssteve.reinhardt@amd.com# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 216876Ssteve.reinhardt@amd.com# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 226876Ssteve.reinhardt@amd.com# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 236876Ssteve.reinhardt@amd.com# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 246876Ssteve.reinhardt@amd.com# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 256876Ssteve.reinhardt@amd.com# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 266876Ssteve.reinhardt@amd.com# 276876Ssteve.reinhardt@amd.com# Authors: Steve Reinhardt 286876Ssteve.reinhardt@amd.com# Brad Beckmann 296876Ssteve.reinhardt@amd.com 306876Ssteve.reinhardt@amd.comfrom m5.params import * 316876Ssteve.reinhardt@amd.comfrom m5.SimObject import SimObject 326876Ssteve.reinhardt@amd.com 336879Ssteve.reinhardt@amd.comclass Link(SimObject): 346879Ssteve.reinhardt@amd.com type = 'Link' 356879Ssteve.reinhardt@amd.com latency = Param.Int(1, "") 366879Ssteve.reinhardt@amd.com bw_multiplier = Param.Int("") 376879Ssteve.reinhardt@amd.com weight = Param.Int(1, "") 386879Ssteve.reinhardt@amd.com 396879Ssteve.reinhardt@amd.comclass ExtLink(Link): 406879Ssteve.reinhardt@amd.com type = 'ExtLink' 416879Ssteve.reinhardt@amd.com ext_node = Param.RubyController("External node") 426879Ssteve.reinhardt@amd.com int_node = Param.Int("ID of internal node") 436879Ssteve.reinhardt@amd.com bw_multiplier = 64 446879Ssteve.reinhardt@amd.com 456879Ssteve.reinhardt@amd.comclass IntLink(Link): 466879Ssteve.reinhardt@amd.com type = 'IntLink' 476879Ssteve.reinhardt@amd.com node_a = Param.Int("ID of internal node on one end") 486879Ssteve.reinhardt@amd.com node_b = Param.Int("ID of internal node on other end") 496879Ssteve.reinhardt@amd.com bw_multiplier = 16 506879Ssteve.reinhardt@amd.com 516876Ssteve.reinhardt@amd.comclass Topology(SimObject): 526876Ssteve.reinhardt@amd.com type = 'Topology' 536879Ssteve.reinhardt@amd.com ext_links = VectorParam.ExtLink("Links to external nodes") 546879Ssteve.reinhardt@amd.com int_links = VectorParam.IntLink("Links between internal nodes") 556879Ssteve.reinhardt@amd.com num_int_nodes = Param.Int("Nunber of internal nodes") 566876Ssteve.reinhardt@amd.com print_config = Param.Bool(False, 576876Ssteve.reinhardt@amd.com "display topology config in the stats file") 586876Ssteve.reinhardt@amd.com 596879Ssteve.reinhardt@amd.comdef makeCrossbar(nodes): 606879Ssteve.reinhardt@amd.com ext_links = [ExtLink(ext_node=n, int_node=i) 616879Ssteve.reinhardt@amd.com for (i, n) in enumerate(nodes)] 626879Ssteve.reinhardt@amd.com xbar = len(nodes) # node ID for crossbar switch 636879Ssteve.reinhardt@amd.com int_links = [IntLink(node_a=i, node_b=xbar) for i in range(len(nodes))] 646879Ssteve.reinhardt@amd.com return Topology(ext_links=ext_links, int_links=int_links, 656879Ssteve.reinhardt@amd.com num_int_nodes=len(nodes)+1) 666879Ssteve.reinhardt@amd.com 676876Ssteve.reinhardt@amd.comclass RubyNetwork(SimObject): 686876Ssteve.reinhardt@amd.com type = 'RubyNetwork' 696876Ssteve.reinhardt@amd.com cxx_class = 'Network' 706876Ssteve.reinhardt@amd.com abstract = True 716876Ssteve.reinhardt@amd.com number_of_virtual_networks = Param.Int(10, ""); 726876Ssteve.reinhardt@amd.com topology = Param.Topology(""); 736876Ssteve.reinhardt@amd.com buffer_size = Param.Int(0, 746876Ssteve.reinhardt@amd.com "default buffer size; 0 indicates infinite buffering"); 756876Ssteve.reinhardt@amd.com endpoint_bandwidth = Param.Int(10000, ""); 766876Ssteve.reinhardt@amd.com adaptive_routing = Param.Bool(True, ""); 776876Ssteve.reinhardt@amd.com link_latency = Param.Int(1, 786876Ssteve.reinhardt@amd.com "local memory latency ?? NetworkLinkLatency"); 796876Ssteve.reinhardt@amd.com control_msg_size = Param.Int(8, ""); 80