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[3.13] gh-75876: Correct the memory use declared by some bigmem tests (GH-155307) by miss-islington · Pull Request #155314 · python/cpython · GitHub

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[3.13] gh-75876: Correct the memory use declared by some bigmem tests (GH-155307) #155314

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Merged
serhiy-storchaka merged 1 commit into from
Aug 7, 2026
Conversation 0 Commits 1 Checks 39 Files changed
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[3.13] gh-75876: Correct the memory use declared by some bigmem tests (GH-155307) #155314

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2 changes: 1 addition & 1 deletion Lib/test/test_bigmem.py
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Expand Up @@ -901,7 +901,7 @@ def test_repeat_small(self, size):
def test_repeat_large(self, size):
return self.basic_test_repeat(size)

@bigmemtest(size=_1G - 1, memuse=12)
@bigmemtest(size=_1G - 1, memuse=pointer_size * 3)
def test_repeat_large_2(self, size):
return self.basic_test_repeat(size)

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4 changes: 2 additions & 2 deletions Lib/test/test_hashlib.py
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Expand Up @@ -609,12 +609,12 @@ def test_case_md5_2(self):
)

@unittest.skipIf(sys.maxsize < _4G + 5, 'test cannot run on 32-bit systems')
@bigmemtest(size=_4G + 5, memuse=1, dry_run=False)
@bigmemtest(size=_4G + 5, memuse=2, dry_run=False)
def test_case_md5_huge(self, size):
self.check('md5', b'A'*size, 'c9af2dff37468ce5dfee8f2cfc0a9c6d')

@unittest.skipIf(sys.maxsize < _4G - 1, 'test cannot run on 32-bit systems')
@bigmemtest(size=_4G - 1, memuse=1, dry_run=False)
@bigmemtest(size=_4G - 1, memuse=2, dry_run=False)
def test_case_md5_uintmax(self, size):
self.check('md5', b'A'*size, '28138d306ff1b8281f1a9067e1a1a2b3')

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2 changes: 1 addition & 1 deletion Lib/test/test_re.py
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Expand Up @@ -2025,7 +2025,7 @@ def test_large_search(self, size):

# The huge memuse is because of re.sub() using a list and a join()
# to create the replacement result.
@bigmemtest(size=_2G, memuse=16 + 2)
@bigmemtest(size=_2G, memuse=16 + 3)
def test_large_subn(self, size):
# Issue #10182: indices were 32-bit-truncated.
s = 'a' * size
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2 changes: 1 addition & 1 deletion Lib/test/test_tcl.py
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Expand Up @@ -781,7 +781,7 @@ def test_huge_string_call(self, size):

@support.cpython_only
@unittest.skipUnless(INT_MAX < PY_SSIZE_T_MAX, "needs UINT_MAX < SIZE_MAX")
@support.bigmemtest(size=INT_MAX + 1, memuse=2, dry_run=False)
@support.bigmemtest(size=INT_MAX + 1, memuse=3, dry_run=False)
def test_huge_string_builtins(self, size):
tk = self.interp.tk
value = '1' + ' ' * size
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2 changes: 1 addition & 1 deletion Lib/test/test_zlib.py
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Expand Up @@ -982,7 +982,7 @@ def testEOFError(self):
self.assertRaises(EOFError, zlibd.decompress, b"")

@support.skip_if_pgo_task
@bigmemtest(size=_4G + 100, memuse=3.3)
@bigmemtest(size=_4G + 100, memuse=4.5)
def testDecompress4G(self, size):
# "Test zlib._ZlibDecompressor.decompress() with >4GiB input"
blocksize = min(10 * 1024 * 1024, size)
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