Intel SIMD `v4.0.1`

AMX-FP16

major

4

AMX

minor

0

AMX

patch

1

AMX-FP16

suffix

—

No suffix

Metadata

Property	Value
Name	AMX-FP16
Introduced	2024
First implemented by	Granite Rapids
Operations	+ FP16 tiles
Source	Curated (simd.json)

Uses (dependencies)

simd: Intel SIMD v4.0.0 (AMX)

Used by (5)

Intel Server CPU (5)

v20.1.0-P Xeon 6952P
v20.1.1-P Xeon 6960P
v20.1.2-P Xeon 6972P
v20.1.3-P Xeon 6979P
v20.1.4-P Xeon 6980P

Changelog

Since the previous patch: Intel SIMD `v4.0.0` (AMX)

Components

~SIMD v2.2.0 (AVX-512) → SIMD v4.0.0 (AMX)

Specifications

~First implemented by: Sapphire Rapids → Granite Rapids
~Operations: BF16/INT8 matrix multiply → + FP16 tiles
−Registers: 8 × 1 KiB tiles

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

Components

+SIMD v4.0.0 (AMX)

Specifications

~First implemented by: Xeon Phi (Knights Corner) → Granite Rapids
~Operations: 512-bit vectors (incompatible with AVX-512) → + FP16 tiles
−Registers: 32 × 512-bit