x86_64-level

Detect and report the feature level of x86_64 that the current machine supports.

Usage

$ x86_64-level
LEVEL

Excerpt from Wikipedia.

Level name	CPU features	Program Output
(baseline) aka x86_64-v1	CMOV, CX8, FPU, FXSR, MMX, OSFXSR, SCE, SSE, SSE2	`(baseline)`
x86_64-v2	CMPXCHG16B, LAHF-SAHF, POPCNT, SSE3, SSE4_1, SSE4_2, SSSE3	`v2`
x86_64-v3	AVX, AVX2, BMI1, BMI2, F16C, FMA, LZCNT, MOVBE, OSXSAVE	`v3`
x86_64-v4	AVX512F, AVX512BW, AVX512BW, AVX512DQ, AVX512VL	`v4`

Name		Name	Last commit message	Last commit date
Latest commit History 2 Commits
src		src
.editorconfig		.editorconfig
.gitignore		.gitignore
Cargo.lock		Cargo.lock
Cargo.toml		Cargo.toml
LICENSE		LICENSE
README.md		README.md