Upgrade cpuinfo version and update some CPU feature detection code #26598
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…e cpuinfo functions which are now implemented.
…ing CPUIDInfo::HasArm_SME2().
edgchen1
changed the title
| // Note: | ||
| // cpuinfo is using IsProcessorFeaturePresent(PF_ARM_V82_FP16_INSTRUCTIONS_AVAILABLE): | ||
| // https://github.com/pytorch/cpuinfo/blob/403d652dca4c1046e8145950b1c0997a9f748b57/src/arm/windows/init.c#L224-L225 | ||
| // However, on some systems (notably, a Windows ARM64 CI build agent), cpuinfo_has_arm_neon_fp16_arith() started to |
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Should cpuinfo be notified to treat this as a regression in detection of fp16 support in their newer implementation if their new way (seemingly) doesn't detect fp16 reliably on certain Windows versions ?
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yeah, it would be good to fix it there
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the cpuinfo PR isn't merged yet. added the corresponding patch for cpuinfo in this repo.
This was referenced Nov 20, 2025
…of checking CPUIDInfo::HasArm_SME2()." This reverts commit 6a9cfc7.
hariharans29
approved these changes
Dec 4, 2025
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Description
Upgrade cpuinfo version.
Update ARM64 Windows feature detection to use cpuinfo functions which are now implemented.
Motivation and Context
Additional ARM64 Windows feature detection was implemented in cpuinfo in this commit. Update ORT to use the newly implemented feature detection.