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[pull] master from google:master #240

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Merged
merged 2 commits into from
Sep 20, 2025
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[pull] master from google:master #240

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11ee5b5
Docs: update supported architectures and targets list
kleisauke Sep 19, 2025
6cb0bcf
Merge pull request #2720 from kleisauke:docs-update-supported-archs-t…
copybara-github Sep 19, 2025
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6 changes: 4 additions & 2 deletions README.md
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Expand Up @@ -29,7 +29,7 @@ functions that map well to CPU instructions without extensive compiler
transformations. The resulting code is more predictable and robust to code
changes/compiler updates than autovectorization.

**Works on widely-used platforms**: Highway supports five architectures; the
**Works on widely-used platforms**: Highway supports seven architectures; the
same application code can target various instruction sets, including those with
'scalable' vectors (size unknown at compile time). Highway only requires C++11
and supports four families of compilers. If you would like to use Highway on
Expand Down Expand Up @@ -144,12 +144,13 @@ See also the list at https://repology.org/project/highway-simd-library/versions

### Targets

Highway supports 24 targets, listed in alphabetical order of platform:
Highway supports 27 targets, listed in alphabetical order of platform:

- Any: `EMU128`, `SCALAR`;
- Armv7+: `NEON_WITHOUT_AES`, `NEON`, `NEON_BF16`, `SVE`, `SVE2`, `SVE_256`,
`SVE2_128`;
- IBM Z: `Z14`, `Z15`;
- LoongArch: `LSX`, `LASX`;
- POWER: `PPC8` (v2.07), `PPC9` (v3.0), `PPC10` (v3.1B, not yet supported due
to compiler bugs, see #1207; also requires QEMU 7.2);
- RISC-V: `RVV` (1.0);
Expand All @@ -168,6 +169,7 @@ Highway supports 24 targets, listed in alphabetical order of platform:
by defining `HWY_WANT_AVX3_ZEN4` if compiling for static dispatch, but
enabled by default for runtime dispatch),
- `AVX3_SPR` (~Sapphire Rapids, includes AVX-512FP16)
- `AVX10_2` (~Diamond Rapids)

Our policy is that unless otherwise specified, targets will remain supported as
long as they can be (cross-)compiled with currently supported Clang or GCC, and
Expand Down