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[mypyc] Enable free threading when compiling multiple modules #19541

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Merged
JukkaL merged 15 commits into from
Jul 30, 2025
Merged

[mypyc] Enable free threading when compiling multiple modules #19541

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62000a3
[mypyc] WIP free threading when compiling multiple modules
JukkaL Jul 23, 2025
5109f1f
WIP use multi-phase init for the shared library
JukkaL Jul 23, 2025
c7c681a
WIP run module top levels (but method table is still not applied)
JukkaL Jul 23, 2025
63d2f56
Actually populate module functions
JukkaL Jul 23, 2025
e557908
Update docstring
JukkaL Jul 23, 2025
ce60137
Don't generate redundant slots tables
JukkaL Jul 23, 2025
0225e34
Skip more steps if using multi-phase init and shared lib
JukkaL Jul 23, 2025
462314d
Fix non-multi-phase init shared lib
JukkaL Jul 23, 2025
2d1f1bf
Lint
JukkaL Jul 23, 2025
a3d23c9
Fix running on older Python versions
JukkaL Jul 30, 2025
70b0c7d
Simplify exec function
JukkaL Jul 30, 2025
ce4252a
Rename shim template file
JukkaL Jul 30, 2025
7c67217
Clean up
JukkaL Jul 30, 2025
d54c098
Minor tweak and formatting changes
JukkaL Jul 30, 2025
d14265b
Fix bad generated names
JukkaL Jul 30, 2025
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Don't generate redundant slots tables
  • Loading branch information
@JukkaL
JukkaL committed Jul 30, 2025
commit ce60137d7548b4151ef58dab89ced6abbb1b7f42
9 changes: 7 additions & 2 deletions mypyc/codegen/emitmodule.py
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Original file line number Diff line number Diff line change
Expand Up @@ -907,8 +907,13 @@ def generate_module_def(self, emitter: Emitter, module_name: str, module: Module
module_prefix = emitter.names.private_name(module_name)
self.emit_module_methods(emitter, module_name, module_prefix, module)
self.emit_module_exec_func(emitter, module_name, module_prefix, module)
if self.multi_phase_init:

# The slots table is only created here when using multi-phase init but
# not a shared library. If using a shared library, the slots tables will
# be included in shim modules instead.
if self.multi_phase_init and not self.use_shared_lib:
self.emit_module_def_slots(emitter, module_prefix, module_name)

self.emit_module_def_struct(emitter, module_name, module_prefix)
self.emit_module_init_func(emitter, module_name, module_prefix)

Expand Down Expand Up @@ -969,7 +974,7 @@ def emit_module_def_struct(
"0, /* size of per-interpreter state of the module */",
f"{module_prefix}module_methods,",
)
if self.multi_phase_init:
if self.multi_phase_init and not self.use_shared_lib:
slots_name = f"{module_prefix}_slots"
emitter.emit_line(f"{slots_name}, /* m_slots */")
else:
Expand Down