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gh-112087: Use QSBR technique for list_new/clear for free-thread build #115875

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Merged
merged 10 commits into from
Mar 1, 2024
Merged

gh-112087: Use QSBR technique for list_new/clear for free-thread build #115875

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556c016
gh-112087: Use QSBR technique for list_new/clear for free-thread
corona10 Feb 24, 2024
67a7f32
Replace list_preallocate_exact to list_ensure_capacity
corona10 Feb 24, 2024
6ad0ab4
fix
corona10 Feb 24, 2024
6264094
Update test
corona10 Feb 24, 2024
e514c65
Update list_item
corona10 Feb 24, 2024
df90d37
Revert memory optimization changes
corona10 Feb 28, 2024
e7f3683
Address code review
corona10 Feb 28, 2024
0eb3657
Merge remote-tracking branch 'upstream/main' into gh-115605-qsbr
corona10 Feb 28, 2024
41204cf
Revert list_prealloc
corona10 Mar 1, 2024
9f5d048
nit
corona10 Mar 1, 2024
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23 changes: 18 additions & 5 deletions 23 Lib/test/test_sys.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@
import sysconfig
import test.support
from test import support
from test.support import os_helper
from test.support import os_helper, Py_GIL_DISABLED
from test.support.script_helper import assert_python_ok, assert_python_failure
from test.support import threading_helper
from test.support import import_helper
Expand Down Expand Up @@ -1224,7 +1224,7 @@ def test_pystats(self):
@test.support.cpython_only
@unittest.skipUnless(hasattr(sys, 'abiflags'), 'need sys.abiflags')
def test_disable_gil_abi(self):
self.assertEqual('t' in sys.abiflags, support.Py_GIL_DISABLED)
self.assertEqual('t' in sys.abiflags, Py_GIL_DISABLED)


@test.support.cpython_only
Expand Down Expand Up @@ -1575,9 +1575,22 @@ def get_gen(): yield 1
check(re.finditer('',''), size('2P'))
# list
check(list([]), vsize('Pn'))
check(list([1]), vsize('Pn') + 2*self.P)
check(list([1, 2]), vsize('Pn') + 2*self.P)
check(list([1, 2, 3]), vsize('Pn') + 4*self.P)
if Py_GIL_DISABLED:
check(list([1]), vsize('Pn') + 3*self.P)
check(list([1, 2]), vsize('Pn') + 3*self.P)
check(list([1, 2, 3]), vsize('Pn') + 3*self.P)
check(list([1, 2, 3, 4]), vsize('Pn') + 7*self.P)
check(list([1, 2, 3, 4, 5]), vsize('Pn') + 7*self.P)
check(list([1, 2, 3, 4, 5, 6]), vsize('Pn') + 7*self.P)
check(list([1, 2, 3, 4, 5, 6, 7]), vsize('Pn') + 7*self.P)
else:
check(list([1]), vsize('Pn') + 2*self.P)
check(list([1, 2]), vsize('Pn') + 2*self.P)
check(list([1, 2, 3]), vsize('Pn') + 4*self.P)
check(list([1, 2, 3, 4]), vsize('Pn') + 4*self.P)
check(list([1, 2, 3, 4, 5]), vsize('Pn') + 6*self.P)
check(list([1, 2, 3, 4, 5, 6]), vsize('Pn') + 6*self.P)
check(list([1, 2, 3, 4, 5, 6, 7]), vsize('Pn') + 8*self.P)
# sortwrapper (list)
# XXX
# cmpwrapper (list)
Expand Down
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