inducer/loopy

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A code generator for array-based code on CPUs and GPUs

Stars: 636
Forks: 81
Open beginner issues: 0
Indexed issues: 140
Avg merge: 1d 19h
Merged PRs (30d): 7

Dominant language: Python
License: MIT
Last GitHub push: Sep 11, 2026
Latest indexed: Sep 15, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

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140 open issues indexed

[Bug] CFamilyTarget.get_known_callables declares math functions on complex data types Open

inducer/loopy#662 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
[Transform API] Simple tiling can be tedious to implement Open

enhancement

inducer/loopy#666 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[bug] lp.add_prefetch adds a prefetch instruction but does not replace accesses with prefetched variable Open

inducer/loopy#670 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
repr(a) == repr(b) should imply a == b Open

inducer/loopy#674 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Cache `simplify_via_aff` Open

inducer/loopy#678 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add a flag to disallow floating point reordering Open

inducer/loopy#700 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Matching an instruction based on the substitution rule it invokes Open

inducer/loopy#712 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Accumulator name after `lp.realize_reduction` is intractable Open

inducer/loopy#713 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Make a way to identify reductions Open

inducer/loopy#714 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
test_local_parallel_scan fails on pocl-cuda and intel-cpu Open

inducer/loopy#718 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
PyOpenCL target: Check that queues match Open

inducer/loopy#719 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
rename_inames does not map domains Open

inducer/loopy#726 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Subarray ref with `sep` tags not supported. Open

inducer/loopy#732 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Domain parsing fail Open

inducer/loopy#744 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
duplicaing an iname results in an unschedulable kernel Open

inducer/loopy#752 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Poor scaling with many calls to add_prefetch Open

inducer/loopy#756 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Back out the implemented-domains cache hackery Open

inducer/loopy#769 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Allow vec tagging of odd sizes for local temporaries Open

inducer/loopy#779 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Replace `_lpy_even_div` with `//` in unchecked mode Open

inducer/loopy#796 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`memoize_on_disk` can produce filenames that are too long Open

inducer/loopy#803 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Unsigned array bounds break in CUDA Open

inducer/loopy#808 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Allow vectorization of ternaries, indices Open

inducer/loopy#870 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`simplify_using_aff`: Must establish that all inputs are integer-valued Open

inducer/loopy#875 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`FlattenMapper`: be more precise in `is_expr_integer_valued` Open

inducer/loopy#876 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Gitlab CI may use lingering cache content Open

inducer/loopy#907 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Detect native NaN values, warn about them Open

inducer/loopy#911 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
LoopyKeyBuilder: hash for BasicSet differs for objects that compare equal Open

inducer/loopy#912 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Redundant checks for not-supplied offset parameters in invoker Open

inducer/loopy#929 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Make a way to turn off possibly-expensive `wait_for`/event wrangling Open

inducer/loopy#930 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Only allocate global temporaries for their live ranges in invoker Open

inducer/loopy#931 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Move `known_callables` into `TargetBase`, from `ASTBuilder` Open

inducer/loopy#988 · 0 comments · 1 reaction · 2 assignees · Indexed Sep 15, 2026
Fix and test signed/unsigned comparison semantics Open

inducer/loopy#1001 · 0 comments · 1 reaction · 2 assignees · Indexed Sep 15, 2026
Retire V1 scheduling Open

inducer/loopy#1014 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Delete nonsense Open

inducer/loopy#1015 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
None is no longer allowed in argument shape tuples Open

inducer/loopy#1039 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Horrifying creation time for kernel with deeply nested substitution rules Open

inducer/loopy#1042 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Pass substitution rules to substitution rules? Open

inducer/loopy#1043 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Need new lexically-scoped domain introduction primitive Open

inducer/loopy#1044 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Carefully think about what's in scope in a substitution rule Open

inducer/loopy#1045 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Domain duplication should take multiple inames as arguments Open

inducer/loopy#1046 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

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