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Posted to commits@tvm.apache.org by GitBox <gi...@apache.org> on 2021/06/29 19:26:55 UTC
[GitHub] [tvm] tkonolige opened a new pull request #8370: [FIX] Detect like cores by looking at scaling_max_freq instead of cpuinfo_max_freq
tkonolige opened a new pull request #8370:
URL: https://github.com/apache/tvm/pull/8370
On my AMD 3950X, `/sys/devices/systen/cpu/cpu*/cpufreq/cpuinfo_max_freq` is not the same across all cores. If I look at `scaling_max_freq` instead, then I see that all cores are the same frequency (as expected). This probably still won't work correctly across all platforms, but I don't think there is an easier, quick way to do the detection. Maybe we should think about using pytorch's cpuinfo library (https://github.com/pytorch/cpuinfo).
@tqchen @FrozenGene
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[GitHub] [tvm] tqchen merged pull request #8370: [FIX] Detect like cores by looking at scaling_max_freq instead of cpuinfo_max_freq
Posted by GitBox <gi...@apache.org>.
tqchen merged pull request #8370:
URL: https://github.com/apache/tvm/pull/8370
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[GitHub] [tvm] FrozenGene commented on pull request #8370: [FIX] Detect like cores by looking at scaling_max_freq instead of cpuinfo_max_freq
Posted by GitBox <gi...@apache.org>.
FrozenGene commented on pull request #8370:
URL: https://github.com/apache/tvm/pull/8370#issuecomment-871032849
Yes. I agree PyTorch CPUInfo library is one good alternative. However, we will introduce one dependency and we should handle it carefully for cross compilation (because we are in the runtime component).
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