JuliaSIMD/LoopVectorization.jl

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Macro(s) for vectorizing loops.

Stars: 789
Forks: 73
Open beginner issues: 0
Indexed issues: 116

Dominant language: Julia
License: MIT
Last GitHub push: May 31, 2026
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue help wanted
PR merge metrics: No merged PRs in 30d

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116 open issues indexed

Support vectorizing `rand`? Open

JuliaSIMD/LoopVectorization.jl#281 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Support `getproperty`/`setproperty!` in reductions Open

JuliaSIMD/LoopVectorization.jl#282 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Turbo precondition checks Open

JuliaSIMD/LoopVectorization.jl#286 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
manually provide reduction isomorphisms so that expensive operations can be factored out of the loop Open

JuliaSIMD/LoopVectorization.jl#291 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Increased execution time bug (Ryzen CPU only?) Open

JuliaSIMD/LoopVectorization.jl#299 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Nested loop UndefVarError Open

JuliaSIMD/LoopVectorization.jl#321 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
LoadError on simple example Open

JuliaSIMD/LoopVectorization.jl#331 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Repo visualization Open

JuliaSIMD/LoopVectorization.jl#332 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Unrecognized loop range type: list of integers (new feature) Open

JuliaSIMD/LoopVectorization.jl#334 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Cannot recognize index `i` in `@turbo` over `Vector{DateTime}` Open

JuliaSIMD/LoopVectorization.jl#339 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Performance of convolutions over 3-tuples Open

JuliaSIMD/LoopVectorization.jl#342 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
CartesianIndices always run on only a single thread Open

JuliaSIMD/LoopVectorization.jl#353 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Plot against theoretical peak performance Open

JuliaSIMD/LoopVectorization.jl#355 · 23 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Matrix Multiplication benchmark analysis Open

JuliaSIMD/LoopVectorization.jl#356 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Bug in histogramming Open

JuliaSIMD/LoopVectorization.jl#358 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
CartesianIndex and @turbo loop Open

JuliaSIMD/LoopVectorization.jl#359 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Packed Array? Open

JuliaSIMD/LoopVectorization.jl#360 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
@tturbo not multithreading nested loops Open

JuliaSIMD/LoopVectorization.jl#362 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
TypeError in typeassert in loop with view Open

JuliaSIMD/LoopVectorization.jl#365 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
LoopVectorization returning zeros in @tturbo accelerated region Open

JuliaSIMD/LoopVectorization.jl#366 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
index error for a high dimensional array contraction Open

JuliaSIMD/LoopVectorization.jl#370 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Any way I can reduce time-to-first-loop-vectorization? Open

JuliaSIMD/LoopVectorization.jl#371 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
Odd `UndefVarError` caused by `LoopVectorization.jl` Open

JuliaSIMD/LoopVectorization.jl#377 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Custom A*X .+ b returning wrong results Open

JuliaSIMD/LoopVectorization.jl#379 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Can i use this package with while loop? Open

JuliaSIMD/LoopVectorization.jl#380 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Weird behavior Open

JuliaSIMD/LoopVectorization.jl#381 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
BitArray support? Open

JuliaSIMD/LoopVectorization.jl#386 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
False core number on 2 socket HPC node Open

JuliaSIMD/LoopVectorization.jl#400 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Incorrect indexing when not using zero-based arrays Open

JuliaSIMD/LoopVectorization.jl#413 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Error caused by `Static.StaticInt` not being an `Integer` Open

JuliaSIMD/LoopVectorization.jl#417 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Segmentation fault for `PermutedDimsArray` with `ndims > 8` Open

JuliaSIMD/LoopVectorization.jl#419 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
`@turbo` and destructuring assignments Open

JuliaSIMD/LoopVectorization.jl#422 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
vmapreduce: no method matching reduce_to_onevec Open

JuliaSIMD/LoopVectorization.jl#423 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Slowdown with views in 0.12.119 Open

JuliaSIMD/LoopVectorization.jl#428 · 26 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
LoopVectorization fails with Tullio and HybridArrays Open

JuliaSIMD/LoopVectorization.jl#429 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
LLVM error when using PackageCompiler Open

JuliaSIMD/LoopVectorization.jl#432 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Using @turbo with FowardDiff.Dual for logsumexp Open

JuliaSIMD/LoopVectorization.jl#437 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Plain for loop faster than @turbo Open

JuliaSIMD/LoopVectorization.jl#449 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
`maybescalarize` instead of `can_turbo`? Open

good first issue help wanted

JuliaSIMD/LoopVectorization.jl#453 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Offset bitvectors fail to vectorise Open

JuliaSIMD/LoopVectorization.jl#465 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
@turbo with passmissing? Open

JuliaSIMD/LoopVectorization.jl#470 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Errors with certain simple for loop Open

JuliaSIMD/LoopVectorization.jl#483 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
How to cite? Open

JuliaSIMD/LoopVectorization.jl#484 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 18, 2026
@turbo can't find index when looping over sparse arrays Open

JuliaSIMD/LoopVectorization.jl#485 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Performance issue with Zygote.jl-generated function within `@turbo` Open

JuliaSIMD/LoopVectorization.jl#489 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Strange compile behavior for @turbo Open

JuliaSIMD/LoopVectorization.jl#498 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
is it possible to set @turbo thread = true/false at runtime? Open

JuliaSIMD/LoopVectorization.jl#499 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
AssertionError: M == 1 Open

JuliaSIMD/LoopVectorization.jl#506 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Inconsistent results w/ and w/o @turbo Open

JuliaSIMD/LoopVectorization.jl#507 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Memory corruption Open

JuliaSIMD/LoopVectorization.jl#510 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026

JuliaSIMD/LoopVectorization.jl

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