Add Apple M1/M2/M3/M4 Linux MIDR detection#385
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fbarchard wants to merge 3 commits intopytorch:mainfrom
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Add Apple M1/M2/M3/M4 Linux MIDR detection#385fbarchard wants to merge 3 commits intopytorch:mainfrom
fbarchard wants to merge 3 commits intopytorch:mainfrom
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ARM Cortex-A320 (MIDR part 0xD8F) is an ARMv9.2-A efficiency core. Add its uarch enum and MIDR mapping. Co-authored-by: Nicolas Pitre <npitre@baylibre.com>
Fixes pytorch#380 by adding cpuinfo_arm_decode_vendor_uarch logic for Apple's implementer 'a' (0x61).
fbarchard
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GregoryComer
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Apr 30, 2026
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Thanks, can you rebase now that the #384 is merged and then run clang-format? I can merge after that.
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Fixes #380 by adding
cpuinfo_arm_decode_vendor_uarchlogic for Apple's implementer'a'(0x61).This PR includes MIDR part mappings for:
These additions allow
cpuinfoto correctly detect the microarchitecture of Apple Silicon cores when running on Linux (e.g., Asahi Linux).