Issues

• Is it safe to get HWY_DYNAMIC_POINTER in GNU ifunc?

  google/highway#3449 · Filter by author LXYan2333 opened on Oct 4, 2026
  8

• SSE2/SSSE3, EMU128 and SCALAR Round/Ceil/Floor/Trunc return a zero of the wrong sign

  google/highway#3429 · Filter by author rcfa opened on Sep 28, 2026

• contrib/algo: questions on Reduce and ShuffleSpan before implementing

  google/highway#3374 · Filter by author Wint3rNight opened on Sep 11, 2026
  1

• Differential test harness: one reference + cross-target agreement for every op

  google/highway#3353 · Filter by author tvost2 opened on Sep 3, 2026
  2

• 52x52 -> 104-bit multiply (VPMADD52-style): op shape + IFMA target gating

  google/highway#3352 · Filter by author tvost2 opened on Sep 3, 2026
  2

• SVE: is the clang-only Min workaround still needed? it costs 26-40% of VQSort time on SVE2-128

  google/highway#3336 · Filter by author BwL1289 opened on Sep 1, 2026
  2

• Store pdf documentation documents in markdown

  google/highway#3249 · Filter by author bkmgit opened on Aug 6, 2026
  2

• Type casting for speedup

  google/highway#3234 · Filter by author alantudyk opened on Jul 26, 2026

• Changes to Compress implementation (including whether new [Non]PartitioningCompress ops should be added)

  google/highway#3142 · Filter by author johnplatts opened on Jun 20, 2026
  3

• [feature request] Is there any float arithmatic round support?

  google/highway#3046 · Filter by author LXYan2333 opened on May 11, 2026
  4

• Test on leading edge linux distribution

  google/highway#3022 · Filter by author bkmgit opened on Apr 30, 2026
  8

• 6/859 tests fail with gcc-16.0.1 on armv7 with: EMU128 # GetParam() = EMU128 (Subprocess aborted)

  google/highway#2974 · Filter by author stefson opened on Apr 9, 2026

• Problems with mold-linker on riscv64

  google/highway#2854 · Filter by author irieger opened on Jan 25, 2026
  1

• hwy::DispatchedTarget always returns HWY_EMU128 on WASM/Emscripten

  google/highway#2831 · Filter by author LanderlYoung opened on Dec 18, 2025
  10

• Adding additional finite field and carryless multiplication ops

  google/highway#2801 · Filter by author johnplatts opened on Nov 20, 2025
  3

• Test failures on PPC64 with GCC 15 (Power9 baseline)

  google/highway#2743 · Filter by author schopin-pro opened on Oct 1, 2025
  5

• Evaluate need for Non-Contiguous Element-Wise Load/Store Functions like npyv_loadn2_* and npyv_storen2_* in NumPy ?

  google/highway#2728 · Filter by author ixgbe opened on Sep 24, 2025
  4

• Adding [Rounding]ShiftRightAndDemoteTo ops

  google/highway#2628 · Filter by author johnplatts opened on Jul 20, 2025
  6

• Failed test HwyInterleavedTestGroup/HwyInterleavedTest.TestAllLoadStoreInterleaved4/EMU128 with gcc 15.1.1

  google/highway#2627 · Filter by author novomesk opened on Jul 20, 2025
  4

• nodebug for HWY_API, attribute debug information to call site

  google/highway#2588 · Filter by author lirp opened on Jun 10, 2025
  4

• Should FMA optimizations be implemented for SCALAR/EMU128 on PPC/RISC-V/GPU?

  google/highway#2542 · Filter by author johnplatts opened on Mar 21, 2025
  1

• Suggestion for improving documentation

  google/highway#2399 · Filter by author chinwobble opened on Dec 5, 2024
  2

• 'VFT dispatching' to call into SIMD-ISA-specific code

  google/highway#2364 · Filter by author kfjahnke opened on Oct 28, 2024
  23

• Adding wrappers for __riscv_vget* and __riscv_vset* for non-tuple types

  google/highway#2345 · Filter by author lsrcz opened on Oct 7, 2024
  9

• Add support for E5M2 and E4M3 floating point types

  google/highway#2312 · Filter by author johnplatts opened on Aug 21, 2024
  3