Hi. I am new to gem5 and Network-on-Chip research. I have a bunch of 2D and 3D NoC topologies in the gem5/configs/topologies directory. I compared their stats (like average_hops and latency parameters) by simulating them in syscall emulation mode using garnet_synth_traffic.py. For instance, for Mesh_XY I used a command line like the following: *build/NULL/gem5.opt configs/example/garnet_synth_traffic.py --network=garnet --num-cpus=64 --num-dirs=64 --topology=Mesh_XY --mesh-rows=8 --sim-cycles=10000000 --synthetic=uniform_random --precision=3 --injectionrate=0.02 --router-latency=1 --link-latency=1 --link-width-bits=16 --routing-algorithm=0*
Now I want to compare the power and area of these topologies (Mesh_3D vs. Custom_3D for instance), but I don't know how. Can I use gem5 ARM Power Modeling for this task or do I need to use other simulators such as Orion 2.0, Cadence Encounter, and Synopsys Prime Power? Finally, is there a way to find out whether my 3D NoC topologies are thermal-aware within gem5 or do I need to use external simulators such as HotSpot 6.0? Thank you, Ali
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