8000 gh-106529: Split FOR_ITER_{LIST,TUPLE} into uops by gvanrossum · Pull Request #106696 · python/cpython · GitHub
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gh-106529: Split FOR_ITER_{LIST,TUPLE} into uops #106696

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Merged
merged 13 commits into from
Jul 14, 2023
Merged

gh-106529: Split FOR_ITER_{LIST,TUPLE} into uops #106696

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1f29466
Attack FOR_ITER_LIST, part 1 (Tier 1)
gvanrossum Jul 12, 2023
020c4c7
FOR_ITER_LIST Tier 2; fix a reservation bug
gvanrossum Jul 12, 2023
a94e583
Make reserving space less error-prone
gvanrossum Jul 12, 2023
3f3a9e8
Add test for FOR_ITER_LIST in Tier 2
gvanrossum Jul 12, 2023
ff08319
FOR_ITER_TUPLE Tier 1
gvanrossum Jul 12, 2023
c427351
FOR_ITER_TUPLE Tier 2
gvanrossum Jul 12, 2023
173cc7c
Test for FOR_ITER_TUPLE Tier 2
gvanrossum Jul 12, 2023
6681cd2
Tweak dummy definitions/includes
gvanrossum Jul 12, 2023
354c892
Merge remote-tracking branch 'origin/main' into for-iter-list-tuple
gvanrossum Jul 13, 2023
13708da
Rename _ITER_EXHAUSTED_XXX to _IS_ITER_EXHAUSTED_XXX
gvanrossum Jul 13, 2023
93355ea
Fix tests
gvanrossum Jul 13, 2023
52dc7f5
Improve formatting of FOR_ITER_XXX macros
gvanrossum Jul 13, 2023
63f101d
Use Py_UNREACHABLE() instead of assert(0)
gvanrossum Jul 13, 2023
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Add test for FOR_ITER_LIST in Tier 2
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@gvanrossum
gvanrossum committed Jul 12, 2023
commit 3f3a9e8fd9f84a63d0497fa2d7089c28d239bede
23 changes: 22 additions & 1 deletion Lib/test/test_capi/test_misc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2590,7 +2590,6 @@ def testfunc(n):
for i in range(n):
total += i
return total
# import dis; dis.dis(testfunc)

opt = _testinternalcapi.get_uop_optimizer()
with temporary_optimizer(opt):
Expand All @@ -2606,6 +2605,28 @@ def testfunc(n):
# Verification that the jump goes past END_FOR
# is done by manual inspection of the output

def test_for_iter_list(self):
def testfunc(a):
total = 0
for i in a:
total += i
return total

opt = _testinternalcapi.get_uop_optimizer()
with temporary_optimizer(opt):
a = list(range(10))
total = testfunc(a)
self.assertEqual(total, 45)

ex = get_first_executor(testfunc)
self.assertIsNotNone(ex)
# for i, (opname, oparg) in enumerate(ex):
# print(f"{i:4d}: {opname:<20s} {oparg:3d}")
uops = {opname for opname, _ in ex}
self.assertIn("_ITER_EXHAUSTED_LIST", uops)
# Verification that the jump goes past END_FOR
# is done by manual inspection of the output


if __name__ == "__main__":
unittest.main()
0