AI Compute Extensions (ACE) Specification – x86 Ecosystem Advisory Group
June 15, 2026
This document defines x86 extensions for accelerating computation tasks, initially focusing on matrix multiplication kernels and reduced precision data formats important to ML workloads.
The ACE extensions define matrix multiplication primitives that augment AVX and scalar code with new capabilities, adding:
ACE register state, including tile and block scale registers
Data processing operations that consume AVX register input and operate on tile register state
Data move operations ...
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