Hi all, I am trying to using network part of Gem5, but having the following problem:
I downloaded the latest stable version and build two programs: 1. ALPHA_MESI_CMP_directory 2. ALPHA_Network_test When I followed website: http://www.m5sim.org/Networktest and run ALPHA_Network_test with command: *./build/ALPHA_Network_test/gem5.debug configs/example/ruby_network_test.py --num-cpus=16 --num-dirs=16 --topology=Mesh --mesh-rows=4 --sim-cycles=1000 --injectionrate=0.01 --synthetic=0 --fixed-pkts --maxpackets=1 --garnet-network=fixed *it worked. When I changed the command to: *./build/ALPHA_MESI_CMP_directory/gem5.opt configs/example/ruby_network_test.py --num-cpus=16 --num-dirs=16 --topology=Mesh --mesh-rows=4 --sim-cycles=1000 --injectionrate=0.01 --synthetic=0 --fixed-pkts --maxpackets=1 --garnet-network=fixed *it failed. Has following infos: Error: could not create topology Mesh Traceback (most recent call last): File "<string>", line 1, in <module> File "/home/xchen19/gem5_new/gem5-stable-f75ee4849c40/src/python/m5/main.py", line 359, in main exec filecode in scope File "configs/example/ruby_network_test.py", line 108, in <module> Ruby.create_system(options, system) File "/home/xchen19/gem5_new/gem5-stable-f75ee4849c40/configs/ruby/Ruby.py", line 139, in create_system % options.topology) File "<string>", line 1, in <module> File "/home/xchen19/gem5_new/gem5-stable-f75ee4849c40/src/mem/ruby/network/topologies/Mesh.py", line 80, in makeTopology assert(node.type == 'DMA_Controller') AssertionError When using ALPHA_MESI, if I don't stick with MESH, use crossbar, it also works. So what's wrong with Mesh? I read posts before, but the problem here is that I put same directories as cpus, but it still complains. Do you have any idea? Thanks, -- Xi Chen
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