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| author | Mark Shannon <mark@hotpy.org> | 2021-04-13 10:08:14 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-04-13 10:08:14 (GMT) |
| commit | 9e7b2076fb4380987ad0262c4c0ca900b06475ad (patch) | |
| tree | d7a4902fa70e0014849fd77f07d89f39bb2e7494 /Python/pystate.c | |
| parent | c2b7a66b91cdb96fbfdb160f96797208ddc5e436 (diff) | |
| download | cpython-9e7b2076fb4380987ad0262c4c0ca900b06475ad.zip cpython-9e7b2076fb4380987ad0262c4c0ca900b06475ad.tar.gz cpython-9e7b2076fb4380987ad0262c4c0ca900b06475ad.tar.bz2 | |
bpo-43760: Speed up check for tracing in interpreter dispatch (#25276)
* Remove redundant tracing_possible field from interpreter state.
* Move 'use_tracing' from tstate onto C stack, for fastest possible checking in dispatch logic.
* Add comments stressing the importance stack discipline when dealing with CFrames.
* Add NEWS
Diffstat (limited to 'Python/pystate.c')
| -rw-r--r-- | Python/pystate.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Python/pystate.c b/Python/pystate.c index c8b2530..436f874 100644 --- a/Python/pystate.c +++ b/Python/pystate.c @@ -624,7 +624,8 @@ new_threadstate(PyInterpreterState *interp, int init) tstate->recursion_headroom = 0; tstate->stackcheck_counter = 0; tstate->tracing = 0; - tstate->use_tracing = 0; + tstate->root_cframe.use_tracing = 0; + tstate->cframe = &tstate->root_cframe; tstate->gilstate_counter = 0; tstate->async_exc = NULL; tstate->thread_id = PyThread_get_thread_ident(); |