Issues · JuliaSparse/SparseArrays.jl · GitHub

Labels Milestones New issue

Extremely slow matrix multiplication with `Hermitian{T, SparseMatrixCSC{T, I}}` and `Symmetric{T, SparseMatrixCSC{T, I}}`.

#685

· samuelsonric opened

on Mar 31, 2026

There is a bug in the calculation conditions for sparse matrices

#680

· frobers opened

on Mar 27, 2026

init_once makes it possible to allocate with one malloc and free with another

#671

· gbaraldi opened

on Jan 27, 2026

pretty-printing sparse-Hermitian matrices

#657

· stevengj opened

on Oct 31, 2025

missing ldiv for transpose of sparse QR

#656

· stevengj opened

on Oct 31, 2025

Large load time

#651

· MilesCranmer opened

on Sep 11, 2025

`findnz` fail for adjoint sparse matrix

#632

· ErikQQY opened

on May 31, 2025

fast methods for sparse ± UniformScaling

#631

· stevengj opened

on May 30, 2025

Failures for linear solve with cholesky factor and sparse vector

#630

· blegat opened

on May 28, 2025

`X'[1,:]` much slower than `X[:, 1]`, despite theoretically same access pattern

#628

· RomeoV opened

on May 19, 2025

Missing dot product specializations for `SparseArray`s with `Adjoint{<:SparseArray}`s

#627

· MasonProtter opened

on May 19, 2025

Missing specialization of adjoint sparse matrix times `Diagonal`

#619

· JoshuaLampert opened

on Apr 29, 2025