Issues

• Range getindex and setindex! are up to 17× slower than copyto!: getindex_generated/setindex_generated are not inlined

  JuliaGPU/GPUArrays.jl#837 · Filter by author CarloLucibello opened on Oct 25, 2026

• copyto! from a BitArray to a GPU array falls back to scalar indexing

  JuliaGPU/GPUArrays.jl#836 · Filter by author CarloLucibello opened on Oct 25, 2026

• @fastmath reductions are 2–5× slower: no neutral_element for Base.FastMath.max_fast and co.

  JuliaGPU/GPUArrays.jl#833 · Filter by author CarloLucibello opened on Oct 22, 2026

• reverse(::JLArray) errors with GPUArrays 12.1.1 and JLArrays 0.4.2 (JLArrays release missing)

  installationregression
  Bug

  JuliaGPU/GPUArrays.jl#817 · Filter by author devmotion opened on Oct 16, 2026

• GPUArrays 12 increases load time through SIMD.jl invalidations

  installationlatencyregressionupstream
  Bug

  JuliaGPU/GPUArrays.jl#813 · Filter by author maleadt opened on Oct 13, 2026
  2

• findmin! and findmax! do not work on GPU arrays

  arrays
  Bug

  JuliaGPU/GPUArrays.jl#792 · Filter by author maleadt opened on Sep 24, 2026

• Base.show method for GPUSparseDeviceMatrixCOO causes an exception

  arrays
  Bug

  JuliaGPU/GPUArrays.jl#697 · Filter by author alonsoC1s opened on Apr 1, 2026

• Indexing (Cartesian or Linear) isn't defined for sparse device arrays

  arrays
  Bug

  JuliaGPU/GPUArrays.jl#694 · Filter by author alonsoC1s opened on Mar 27, 2026

• Broadcasting of functions with keyword arguments doesn't work with Julia v1.11

  arraysupstream
  Bug

  JuliaGPU/GPUArrays.jl#693 · Filter by author giordano opened on Mar 12, 2026

• Test times increased significantly

  ci
  Task

  JuliaGPU/GPUArrays.jl#683 · Filter by author maleadt opened on Jan 21, 2026
  3

  

• (Direct) Constructors for sparse CSC, CSR and BSR arrays

  arrays
  Enhancement

  JuliaGPU/GPUArrays.jl#677 · Filter by author nHackel opened on Jan 15, 2026
  1

• Scalar indexing for unique and intersect

  arrays
  Bug

  JuliaGPU/GPUArrays.jl#674 · Filter by author lkdvos opened on Jan 7, 2026
  

• Multi-axis concatenation errors on 1.12

  arraysregressionupstream
  Bug

  JuliaGPU/GPUArrays.jl#672 · Filter by author AntonOresten opened on Dec 27, 2025
  1

• Dense array type for SparseMatrixCSC should be Matrix?

  arrays
  Task

  JuliaGPU/GPUArrays.jl#655 · Filter by author gdalle opened on Nov 14, 2025
  1

• Assumptions in abstract sparse array interface

  arraysspeculative
  Task

  JuliaGPU/GPUArrays.jl#648 · Filter by author gdalle opened on Nov 12, 2025
  2

• Statistics.mean(Float32, arr, dims=1) throws KernelError

  arraysupstream
  Bug

  JuliaGPU/GPUArrays.jl#611 · Filter by author Yuan-Ru-Lin opened on Aug 8, 2025
  3

• Support for subarrays in linalg

  arraysspeculative
  Enhancement

  JuliaGPU/GPUArrays.jl#589 · Filter by author evelyne-ringoot opened on Mar 4, 2025
  3

• Scalar indexing for Base.hash

  arrays
  Bug

  JuliaGPU/GPUArrays.jl#588 · Filter by author nHackel opened on Mar 1, 2025
  1

• KA.jl-related slowdowns

  kernelsperformanceregressionupstream
  Bug

  JuliaGPU/GPUArrays.jl#565 · Filter by author maleadt opened on Oct 18, 2024
  6

• Can RNG be moved to GPUArraysCore?

  arraysspeculative
  Enhancement

  JuliaGPU/GPUArrays.jl#556 · Filter by author avik-pal opened on Aug 28, 2024
  2

• Support for qr factorizations

  arrays
  Enhancement

  JuliaGPU/GPUArrays.jl#545 · Filter by author kmp5VT opened on Jun 27, 2024
  2

• promote_type on GPU arrays of Float32 and ComplexF32 promotes to UnionAll

  arrays
  Enhancement

  JuliaGPU/GPUArrays.jl#543 · Filter by author nHackel opened on Jun 24, 2024

• Separate arguments for map! / broadcasting kernel

  extensionskernels
  Enhancement

  JuliaGPU/GPUArrays.jl#535 · Filter by author wsmoses opened on May 25, 2024
  1

• Abstract type aliases do not match expected types

  arraysupstream
  Bug

  JuliaGPU/GPUArrays.jl#529 · Filter by author maleadt opened on Apr 9, 2024

• Better support in StructArrays

  arraysextensions
  Enhancement

  JuliaGPU/GPUArrays.jl#518 · Filter by author aplavin opened on Feb 23, 2024