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[CPU][ARM] Add AArch64 int8 brgemm conv executor #33951

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[CPU][ARM] Add AArch64 int8 brgemm conv executor #33951

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@allnes allnes commented Feb 3, 2026

Details:

  • Add AArch64 INT8 BRGEMM convolution executor and register it in CPU convolution implementations.
  • Introduce AArch64 JIT BRGEMM/conv kernels (Xbyak_aarch64) and integrate packing paths.
  • Enable fused kxk MMLA packing with K padding to allow MMLA when K%8 != 0.

@allnes allnes requested review from a team as code owners February 3, 2026 15:55
@github-actions github-actions bot added category: CPU OpenVINO CPU plugin category: build OpenVINO cmake script / infra labels Feb 3, 2026
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