From ed4d790000bf8fa9621d5a04b7922fffdcecb25a Mon Sep 17 00:00:00 2001 From: "Sergey \"Shnatsel\" Davidoff" Date: Tue, 30 Jun 2026 20:04:06 +0100 Subject: [PATCH 1/5] Update changelog for v0.6.0 --- CHANGELOG.md | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index cb0aab5b..8b392e65 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -6,20 +6,24 @@ Subheadings to categorize changes are `added, changed, deprecated, removed, fixe --> -The latest published Fearless SIMD release is [0.5.0](#050-2026-06-18) which was released on 2026-06-18. -You can find its changes [documented below](#050-2026-06-18). +The latest published Fearless SIMD release is [0.6.0](#060-2026-06-30) which was released on 2026-06-30. +You can find its changes [documented below](#060-2026-06-30). ## [Unreleased] +## [0.6.0][] (2026-06-30) + This release has an [MSRV][] of 1.89. ### Added -- Added Ice Lake-class AVX-512 support with a generated `Avx512` level and 512-bit native-width vector types. +- Added Ice Lake-class AVX-512 support with a generated `Avx512` level and 512-bit native-width vector types. ([#231][] by [@Shnatsel][]) +- Added `dispatch_sse4_2`, `dispatch_avx2`, and `dispatch_avx512` feature flags to control which x86 SIMD levels are used by automatic multiversioning via `dispatch!` and `Level::dispatch`. ([#258][] by [@Shnatsel][]) ### Changed -- The MSRV is now Rust 1.89. +- The MSRV is now Rust 1.89. ([#231][] by [@Shnatsel][]) +- Documentation and examples have been expanded and cleaned up for safer SIMD use cases, inlining, supported instruction sets, x86 multiversioning, and feature flags. ([#252][], [#258][] by [@Shnatsel][]) ## [0.5.0][] (2026-06-18) @@ -235,6 +239,7 @@ No changelog was kept for this release. [#225]: https://github.com/linebender/fearless_simd/pull/225 [#226]: https://github.com/linebender/fearless_simd/pull/226 [#230]: https://github.com/linebender/fearless_simd/pull/230 +[#231]: https://github.com/linebender/fearless_simd/pull/231 [#232]: https://github.com/linebender/fearless_simd/pull/232 [#233]: https://github.com/linebender/fearless_simd/pull/233 [#234]: https://github.com/linebender/fearless_simd/pull/234 @@ -247,8 +252,11 @@ No changelog was kept for this release. [#243]: https://github.com/linebender/fearless_simd/pull/243 [#244]: https://github.com/linebender/fearless_simd/pull/244 [#245]: https://github.com/linebender/fearless_simd/pull/245 +[#252]: https://github.com/linebender/fearless_simd/pull/252 +[#258]: https://github.com/linebender/fearless_simd/pull/258 -[Unreleased]: https://github.com/linebender/fearless_simd/compare/v0.5.0...HEAD +[Unreleased]: https://github.com/linebender/fearless_simd/compare/v0.6.0...HEAD +[0.6.0]: https://github.com/linebender/fearless_simd/compare/v0.5.0...v0.6.0 [0.5.0]: https://github.com/linebender/fearless_simd/compare/v0.4.1...v0.5.0 [0.4.1]: https://github.com/linebender/fearless_simd/compare/v0.4.0...v0.4.1 [0.4.0]: https://github.com/linebender/fearless_simd/compare/v0.4.0...v0.3.0 From cc4f405194d853e673657916eadf886dbefff326 Mon Sep 17 00:00:00 2001 From: "Sergey \"Shnatsel\" Davidoff" Date: Tue, 30 Jun 2026 20:06:55 +0100 Subject: [PATCH 2/5] Bump version to 0.6.0 --- Cargo.lock | 2 +- fearless_simd/Cargo.toml | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index ec409465..47f3baa2 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -106,7 +106,7 @@ checksum = "b05b61dc5112cbb17e4b6cd61790d9845d13888356391624cbe7e41efeac1e75" [[package]] name = "fearless_simd" -version = "0.5.0" +version = "0.6.0" dependencies = [ "libm", ] diff --git a/fearless_simd/Cargo.toml b/fearless_simd/Cargo.toml index 18ed941c..74b73050 100644 --- a/fearless_simd/Cargo.toml +++ b/fearless_simd/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "fearless_simd" -version = "0.5.0" +version = "0.6.0" license.workspace = true edition.workspace = true repository.workspace = true From 3dd7c62ece8c635acef1cbe161676fd20ac25c0d Mon Sep 17 00:00:00 2001 From: "Sergey \"Shnatsel\" Davidoff" Date: Tue, 30 Jun 2026 23:12:46 +0100 Subject: [PATCH 3/5] Bump date in changelog --- CHANGELOG.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 8b392e65..0ee49799 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -11,7 +11,7 @@ You can find its changes [documented below](#060-2026-06-30). ## [Unreleased] -## [0.6.0][] (2026-06-30) +## [0.6.0][] (2026-07-01) This release has an [MSRV][] of 1.89. From 0b53502bcd19f43be7d123b0df32e24a61142667 Mon Sep 17 00:00:00 2001 From: "Sergey \"Shnatsel\" Davidoff" Date: Tue, 7 Jul 2026 18:28:36 +0100 Subject: [PATCH 4/5] Update changelog with recent work --- CHANGELOG.md | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 0ee49799..20d8bbbe 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -6,8 +6,8 @@ Subheadings to categorize changes are `added, changed, deprecated, removed, fixe --> -The latest published Fearless SIMD release is [0.6.0](#060-2026-06-30) which was released on 2026-06-30. -You can find its changes [documented below](#060-2026-06-30). +The latest published Fearless SIMD release is [0.6.0](#060-2026-07-01) which was released on 2026-07-01. +You can find its changes [documented below](#060-2026-07-01). ## [Unreleased] @@ -18,12 +18,18 @@ This release has an [MSRV][] of 1.89. ### Added - Added Ice Lake-class AVX-512 support with a generated `Avx512` level and 512-bit native-width vector types. ([#231][] by [@Shnatsel][]) -- Added `dispatch_sse4_2`, `dispatch_avx2`, and `dispatch_avx512` feature flags to control which x86 SIMD levels are used by automatic multiversioning via `dispatch!` and `Level::dispatch`. ([#258][] by [@Shnatsel][]) +- Added controls for x86 automatic multiversioning using `cfg` flags, letting final binary builds decide which levels `dispatch!` uses. ([#258][], [#264][] by [@Shnatsel][]) +- Added the `swizzle_dyn_within_blocks` method on SIMD vector types for dynamic byte-indexed swizzles within each native-width block. ([#266][] by [@Shnatsel][]) ### Changed - The MSRV is now Rust 1.89. ([#231][] by [@Shnatsel][]) -- Documentation and examples have been expanded and cleaned up for safer SIMD use cases, inlining, supported instruction sets, x86 multiversioning, and feature flags. ([#252][], [#258][] by [@Shnatsel][]) +- Documentation and examples have been expanded and cleaned up to show autovectorization, use of intrinsics, x86 multiversioning, and AVX-512-width inputs. ([#252][], [#258][], [#261][], [#264][] by [@Shnatsel][]) +- `Level::Fallback` and x86 `Level::Sse4_2` variants now remain available whenever their token types exist. ([#264][] by [@Shnatsel][]) + +### Fixed + +- `dispatch!` and `Level::dispatch` now correctly omit AVX2 code paths when the Ice Lake/AVX-512 feature set is available. ([#263][] by [@Shnatsel][]) ## [0.5.0][] (2026-06-18) @@ -254,6 +260,10 @@ No changelog was kept for this release. [#245]: https://github.com/linebender/fearless_simd/pull/245 [#252]: https://github.com/linebender/fearless_simd/pull/252 [#258]: https://github.com/linebender/fearless_simd/pull/258 +[#261]: https://github.com/linebender/fearless_simd/pull/261 +[#263]: https://github.com/linebender/fearless_simd/pull/263 +[#264]: https://github.com/linebender/fearless_simd/pull/264 +[#266]: https://github.com/linebender/fearless_simd/pull/266 [Unreleased]: https://github.com/linebender/fearless_simd/compare/v0.6.0...HEAD [0.6.0]: https://github.com/linebender/fearless_simd/compare/v0.5.0...v0.6.0 From 8edcae11a779812b4ee652b9c036d9e093852ba7 Mon Sep 17 00:00:00 2001 From: "Sergey \"Shnatsel\" Davidoff" Date: Fri, 10 Jul 2026 14:21:00 +0100 Subject: [PATCH 5/5] Update release date --- CHANGELOG.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 20d8bbbe..9748ae78 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -6,12 +6,12 @@ Subheadings to categorize changes are `added, changed, deprecated, removed, fixe --> -The latest published Fearless SIMD release is [0.6.0](#060-2026-07-01) which was released on 2026-07-01. -You can find its changes [documented below](#060-2026-07-01). +The latest published Fearless SIMD release is [0.6.0](#060-2026-07-10) which was released on 2026-07-10. +You can find its changes [documented below](#060-2026-07-10). ## [Unreleased] -## [0.6.0][] (2026-07-01) +## [0.6.0][] (2026-07-10) This release has an [MSRV][] of 1.89.