JuliaArrays/LazyArrays.jl

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Lazy arrays and linear algebra in Julia

Stars: 310
Forks: 30
Open beginner issues: 0
Indexed issues: 32
Avg merge: 6d 4h
Merged PRs (30d): 2

Dominant language: Julia
License: MIT
Last GitHub push: Sep 16, 2026
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

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32 open issues indexed

TagBot: Manual intervention needed for releases Open

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Difficulty 1/5 Under an hour Newbie friendliness 35/100

JuliaArrays/LazyArrays.jl#397 · Opened Jan 24, 2026
`layout_broadcasted` assumes existence of `.array` field Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

JuliaArrays/LazyArrays.jl#393 · Opened Nov 28, 2025
Concatenate muladd Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/LazyArrays.jl#375 · Opened Jun 26, 2025
`diff` allocate when doing reduction Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/LazyArrays.jl#371 · Opened Apr 11, 2025
`copy` is ambiguous Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

JuliaArrays/LazyArrays.jl#362 · 1 comment · Opened Feb 3, 2025
Incorrect result with `Apply(Vector/Array)(*, scalar, vector)` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaArrays/LazyArrays.jl#340 · Opened Jul 11, 2024
Linear solves are consistently slower and more memory-heavy? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/LazyArrays.jl#287 · 1 comment · Opened Jan 9, 2024
Logical Operators slower? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaArrays/LazyArrays.jl#275 · 5 comments · Opened Sep 30, 2023
Ambiguity error when running copyto! Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaArrays/LazyArrays.jl#233 · 1 reaction · Opened Feb 20, 2023
Zygote compat is lacking Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/LazyArrays.jl#232 · 11 comments · Opened Jan 15, 2023
Slow in assignment of boolean arrays Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaArrays/LazyArrays.jl#218 · Opened Aug 20, 2022
Lazy Arrays with CUDA.jl (feature request) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/LazyArrays.jl#214 · 5 comments · Opened Apr 10, 2022
Weird DivideError: materialize and rational matmul Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JuliaArrays/LazyArrays.jl#199 · 2 comments · Opened Sep 30, 2021
Support non-tuple args in ApplyArray, BroadcastArray Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

JuliaArrays/LazyArrays.jl#198 · Opened Sep 30, 2021
Lazy rank one matrix Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

JuliaArrays/LazyArrays.jl#178 · 1 comment · Opened Jun 26, 2021
Macro throws BoundsError Open

Difficulty 3/5 1-2 days Newbie friendliness 32/100

JuliaArrays/LazyArrays.jl#177 · Opened Jun 26, 2021
`LazyArray(@~ dot.(a,a))` fails with custom array type Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/LazyArrays.jl#171 · Opened Apr 7, 2021
loss of performance for complex valued Kronecker products Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/LazyArrays.jl#151 · Opened Jan 5, 2021
LazyArray constructions in broadcasting calls fail if arrays are created in the call instead of referred to by their name Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaArrays/LazyArrays.jl#150 · 8 comments · Opened Dec 14, 2020
Stack overflow for concatenation of large number of arrays Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/LazyArrays.jl#97 · 7 comments · Opened Mar 6, 2020
Chaining comparisons Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

JuliaArrays/LazyArrays.jl#88 · 2 comments · Opened Dec 10, 2019
Bug: `dest .= lazy` is not `dest .= LazyArray(lazy)` Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

JuliaArrays/LazyArrays.jl#60 · Opened Sep 17, 2019
How to materialize LazyArray Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/LazyArrays.jl#59 · 5 comments · Opened Sep 17, 2019
Idea: Pre-allocating intermediate arrays Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/LazyArrays.jl#57 · 1 comment · Opened Sep 17, 2019
Block product Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

JuliaArrays/LazyArrays.jl#48 · 12 comments · 1 reaction · Opened Aug 15, 2019
Redesign MulAdd to use `β = false` to indicate strong zero. Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/LazyArrays.jl#39 · 1 reaction · Opened May 31, 2019
Lazy broadcasting bug? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/LazyArrays.jl#38 · 4 comments · Opened May 30, 2019
Support keywords in Applied Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

JuliaArrays/LazyArrays.jl#32 · Opened May 1, 2019
Slow for large matrices Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/LazyArrays.jl#26 · 4 comments · Opened Mar 1, 2019
Support Rdiv with broadcasting Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaArrays/LazyArrays.jl#25 · 1 comment · Opened Mar 1, 2019
Allocation-free matrix multiplication with more than two matrices Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

JuliaArrays/LazyArrays.jl#24 · 1 comment · 1 reaction · Opened Feb 28, 2019
Speed of sum(BroadcastArray) Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

JuliaArrays/LazyArrays.jl#16 · 12 comments · Opened Jan 13, 2019

JuliaArrays/LazyArrays.jl

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