Intel SIMD v4.0.0

AMX

major
4
AMX
minor
0
AMX
patch
0
AMX
suffix
—
No suffix

Metadata

PropertyValue
NameAMX
Introduced2023
First implemented bySapphire Rapids
Registers8 × 1 KiB tiles
OperationsBF16/INT8 matrix multiply
SourceCurated (simd.json)

Uses (dependencies)

Used by (79)

Intel Server CPU (78)
Intel SIMD (1)

Changelog

Since the previous major (previous generation): Intel SIMD v3.0.0 (IMCI)

Specifications

  • ~First implemented by: Xeon Phi (Knights Corner) → Sapphire Rapids
  • ~Registers: 32 × 512-bit → 8 × 1 KiB tiles
  • ~Operations: 512-bit vectors (incompatible with AVX-512) → BF16/INT8 matrix multiply