mirror of
https://github.com/python/cpython
synced 2024-11-02 09:15:30 +00:00
570a82d46a
Changes to the function version cache: - In addition to the function object, also store the code object, and allow the latter to be retrieved even if the function has been evicted. - Stop assigning new function versions after a critical attribute (e.g. `__code__`) has been modified; the version is permanently reset to zero in this case. - Changes to `__annotations__` are no longer considered critical. (This fixes gh-109998.) Changes to the Tier 2 optimization machinery: - If we cannot map a function version to a function, but it is still mapped to a code object, we continue projecting the trace. The operand of the `_PUSH_FRAME` and `_POP_FRAME` opcodes can be either NULL, a function object, or a code object with the lowest bit set. This allows us to trace through code that calls an ephemeral function, i.e., a function that may not be alive when we are constructing the executor, e.g. a generator expression or certain nested functions. We will lose globals removal inside such functions, but we can still do other peephole operations (and even possibly [call inlining](https://github.com/python/cpython/pull/116290), if we decide to do it), which only need the code object. As before, if we cannot retrieve the code object from the cache, we stop projecting. |
||
|---|---|---|
| .. | ||
| clinic | ||
| frozen_modules | ||
| _warnings.c | ||
| adaptive.md | ||
| asdl.c | ||
| asm_trampoline.S | ||
| assemble.c | ||
| ast.c | ||
| ast_opt.c | ||
| ast_unparse.c | ||
| bltinmodule.c | ||
| bootstrap_hash.c | ||
| brc.c | ||
| bytecodes.c | ||
| ceval.c | ||
| ceval_gil.c | ||
| ceval_macros.h | ||
| codecs.c | ||
| compile.c | ||
| condvar.h | ||
| context.c | ||
| critical_section.c | ||
| crossinterp.c | ||
| crossinterp_data_lookup.h | ||
| crossinterp_exceptions.h | ||
| dtoa.c | ||
| dup2.c | ||
| dynamic_annotations.c | ||
| dynload_hpux.c | ||
| dynload_shlib.c | ||
| dynload_stub.c | ||
| dynload_win.c | ||
| emscripten_signal.c | ||
| emscripten_trampoline.c | ||
| errors.c | ||
| executor_cases.c.h | ||
| fileutils.c | ||
| flowgraph.c | ||
| formatter_unicode.c | ||
| frame.c | ||
| frozen.c | ||
| frozenmain.c | ||
| future.c | ||
| gc.c | ||
| gc_free_threading.c | ||
| gc_gil.c | ||
| generated_cases.c.h | ||
| getargs.c | ||
| getcompiler.c | ||
| getcopyright.c | ||
| getopt.c | ||
| getplatform.c | ||
| getversion.c | ||
| hamt.c | ||
| hashtable.c | ||
| import.c | ||
| importdl.c | ||
| initconfig.c | ||
| instrumentation.c | ||
| intrinsics.c | ||
| jit.c | ||
| legacy_tracing.c | ||
| lock.c | ||
| marshal.c | ||
| modsupport.c | ||
| mysnprintf.c | ||
| mystrtoul.c | ||
| object_stack.c | ||
| opcode_targets.h | ||
| optimizer.c | ||
| optimizer_analysis.c | ||
| optimizer_bytecodes.c | ||
| optimizer_cases.c.h | ||
| optimizer_symbols.c | ||
| parking_lot.c | ||
| pathconfig.c | ||
| perf_trampoline.c | ||
| preconfig.c | ||
| pyarena.c | ||
| pyctype.c | ||
| pyfpe.c | ||
| pyhash.c | ||
| pylifecycle.c | ||
| pymath.c | ||
| pystate.c | ||
| pystrcmp.c | ||
| pystrhex.c | ||
| pystrtod.c | ||
| Python-ast.c | ||
| Python-tokenize.c | ||
| pythonrun.c | ||
| pytime.c | ||
| qsbr.c | ||
| README | ||
| specialize.c | ||
| stdlib_module_names.h | ||
| structmember.c | ||
| suggestions.c | ||
| symtable.c | ||
| sysmodule.c | ||
| thread.c | ||
| thread_nt.h | ||
| thread_pthread.h | ||
| thread_pthread_stubs.h | ||
| tier2_engine.md | ||
| traceback.c | ||
| tracemalloc.c | ||
| vm-state.md | ||
Miscellaneous source files for the main Python shared library