8000 bpo-43574: Dont overallocate list literals by chadnetzer · Pull Request #24954 · python/cpython · GitHub
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bpo-43574: Dont overallocate list literals #24954

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bpo-43574: Dont overallocate list literals #24954

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4dbee9a
Add testcase for bpo-43574 list overallocaton
chadnetzer Mar 21, 2021
5b31470
Don't overallocate when extending an empty list
chadnetzer Mar 21, 2021
172f2c0
Skip overallocation calc when not overallocating
chadnetzer Mar 21, 2021
d76ae2a
Fix list_extend() init list changes to PEP-7 form
chadnetzer Mar 22, 2021
7aad246
bpo-43574: Add NEWS
chadnetzer Mar 22, 2021
7c20c6c
Add more list overallocation regression tests
chadnetzer Mar 22, 2021
7be3ae8
Put common-case first in logical-or list_resize()
chadnetzer Mar 22, 2021
7436223
Adjust NEWS entry language based on PR feedback
chadnetzer Mar 23, 2021
657d51f
Allow empty list append/insert to overallocate
chadnetzer Mar 24, 2021
4336cc6
Update test_overallocation of empty list append()
chadnetzer Mar 26, 2021
19d4374
Add direct test of list-literal non-overallocation
chadnetzer Apr 5, 2021
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bpo-43574: Add NEWS
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@chadnetzer
chadnetzer committed Mar 22, 2021
commit 7aad246f17772e19d115a1dcd8f670dfa92fb22d
2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Core and Builtins/2021-03-21-18-51-30.bpo-43574.mteI-I.rst
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Original file line number Diff line number Diff line change
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Restores previous list memory behavior where lists initialized from literals
aren't over-allocated.
0