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[mypyc] Speed up ord(str[n]) by inlining #20578

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Merged
JukkaL merged 10 commits into from
Jan 13, 2026
Merged

[mypyc] Speed up ord(str[n]) by inlining #20578

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9e75d86
WIP faster ord(str[i])
JukkaL Jan 13, 2026
5e0ff86
Add inline specialized ops for ord(str[i])
JukkaL Jan 13, 2026
421ef63
Document
JukkaL Jan 13, 2026
d3ef016
Minor refactoring
JukkaL Jan 13, 2026
058f314
These aren't experimental
JukkaL Jan 13, 2026
107ada9
Fix test
JukkaL Jan 13, 2026
8708e5b
Update doc
JukkaL Jan 13, 2026
e6ad733
Use more specific return type
JukkaL Jan 13, 2026
c9a845f
Add run tests
JukkaL Jan 13, 2026
dcd47d4
Only run test on 64-bit platforms
JukkaL Jan 13, 2026
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Fix test
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@JukkaL
JukkaL committed Jan 13, 2026
commit 107ada94a3473ff7c98f1d546a2fee3c3a6016b8
38 changes: 37 additions & 1 deletion mypyc/test/test_cheader.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,23 @@
import unittest

from mypyc.ir.deps import SourceDep
from mypyc.primitives import registry
from mypyc.ir.ops import PrimitiveDescription
from mypyc.primitives import (
bytearray_ops,
bytes_ops,
dict_ops,
exc_ops,
float_ops,
generic_ops,
int_ops,
list_ops,
misc_ops,
registry,
set_ops,
str_ops,
tuple_ops,
weakref_ops,
)


class TestHeaderInclusion(unittest.TestCase):
Expand All @@ -35,6 +51,26 @@ def check_name(name: str) -> None:
for ops in values:
all_ops.extend(ops)

for module in [
bytes_ops,
str_ops,
dict_ops,
list_ops,
bytearray_ops,
generic_ops,
int_ops,
misc_ops,
tuple_ops,
exc_ops,
float_ops,
set_ops,
weakref_ops,
]:
for name in dir(module):
val = getattr(module, name, None)
if isinstance(val, PrimitiveDescription):
all_ops.append(val)

# Find additional headers via extra C source file dependencies.
for op in all_ops:
if op.dependencies:
Expand Down