[MOD-17925] SIMD dispatch: declarative ISA manifest, with the SQ8_FP32 pilot - #1023

Draft

dor-forer wants to merge 12 commits into

fp16-avx512fp16-accumulatorfrom

simd-dispatch-pilot

Commits on Aug 20, 2026

Gate the AVX512 VNNI tier on avx512vl at every call site
dor-forer
committed
9963f92
Gate test and benchmark ARM sources on the target CPU, not the host
dor-forer
committed
25b6178
Intersect an injected CPU-feature mask with the detected hardware
dor-forer
committed
1e3793d
Enforce the conservative architecture baseline for the scalar fallback
dor-forer
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d7ac9f0
Address review findings on the baseline guard and mask intersection
dor-forer
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fa93731
Fail closed on the baseline probe and refuse explicit ISA feature flags
dor-forer
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8e71421
Accumulate the float16 SIMD kernels in fp32 on x86 and ARM
dor-forer
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bd65260

Commits on Aug 23, 2026

Add the ISA feature and tier manifests
dor-forer
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57cba15
Parse the ISA manifests in CMake and derive each tier's compile flags
dor-forer
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37f9a7b
Expose manifest-derived tier availability to the C++ side
dor-forer
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abc4c61
Add TierInfo, the C++ view of the ISA manifests
dor-forer
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2f8809b
Add the Kernel and TypePolicy traits, and populate them for SQ8_FP32
dor-forer
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9504bda