8000 ENH: create and use indexed inner loops by mattip · Pull Request #23136 · numpy/numpy · GitHub
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ENH: create and use indexed inner loops #23136

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Merged
merged 20 commits into from
Feb 7, 2023
Merged

ENH: create and use indexed inner loops #23136

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90243f5
ENH: add indexed loops
mattip Jan 18, 2023
3ba259d
refactor ufunc_at to first get the inner loop, then create the iterators
mattip Jan 22, 2023
7910e2b
ENH: add indexed lower loops and connect them to ufuncs
mattip Jan 23, 2023
eb21b25
ENH: use an indexed loop if possible in ufunc_at
mattip Jan 30, 2023
888bba2
MAINT: fix linting
mattip Jan 31, 2023
be64173
ENH: update and sync the public API
mattip Jan 31, 2023
8bfaaf3
BENCH: fix benchmark
mattip Jan 31, 2023
28706af
MAINT, BUG: fixes from review and testing
mattip Feb 1, 2023
1db1ffe
MAINT: linting
mattip Feb 1, 2023
ec1a434
MAINT: update EXPERIMENTAL_DTYPE_API_VERSION too
mattip Feb 1, 2023
6541cf5
DOC: add a performance release note
mattip Feb 1, 2023
3802b16
MAINT: rework release note, changes from review
mattip Feb 5, 2023
f064552
BUG: Clean up reference handling in `ufunc.at` a little.
seberg Feb 6, 2023
6cf9cc9
BUG: Deal with casting and non-contig/1-D indices
seberg Feb 6, 2023
ff97723
BUG: fixes from review: use iter->nd and adapt to unary ufuncs
8000 mattip Feb 6, 2023
163d3c5
BUG: improve check for 1d operands (from review)
mattip Feb 7, 2023
f79325e
TST: add test (from review)
mattip Feb 7, 2023
b80bc2d
ENH: fixes from review
mattip Feb 7, 2023
26978d7
DOC: improve release snippet (from review)
mattip Feb 7, 2023
790426e
TST, BUG: add a test for unary ufuncs, fix condition for indexed loops
mattip Feb 7, 2023
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BUG: improve check for 1d operands (from review)
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@mattip
mattip committed Feb 7, 2023
commit 163d3c533d37fa76727ecdee429446ad41aac7f2
5 changes: 4 additions & 1 deletion numpy/core/src/umath/ufunc_object.c
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Original file line number Diff line number Diff line change
Expand Up @@ -6436,12 +6436,15 @@ ufunc_at(PyUFuncObject *ufunc, PyObject *args)
/*
* Try to use trivial loop (1d, no casting, aligned) if
* - the matching info has a indexed loop
* - idx must be exactly one integer index array
* - all operands are 1d
* A future enhancement could loosen the restriction on 1d operands
* by adding an iteration loop inside trivial_at_loop
*/
if ((ufuncimpl->contiguous_indexed_loop != NULL) &&
(PyArray_NDIM(op1_array) == 1) &&
(op2_array != NULL && PyArray_NDIM(op2_array) == 1) &&
(iter->nd == 1)) {
(iter->subspace_iter == NULL) && (iter->numiter == 1)) {
res = trivial_at_loop(ufuncimpl, flags, iter, op1_array,
op2_array, &context);

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