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Author vstinner
Recipients seberg, vstinner
Date 2020-12-28.14:25:32
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <[email protected]>
In-reply-to
Content 
>_PyInterpreterState_GET():
>   mov    rax,QWORD PTR [rip+0x22a7dd]        # 0x743118 <_PyRuntime+568>
>   mov    rax,QWORD PTR [rax+0x10]

While working on bpo-39465, I wrote PR 20767 to optimize _PyInterpreterState_GET(): single instruction instead of two:

* Add _PyRuntimeState.interp_current member: atomic variable
* _PyThreadState_Swap() sets _PyRuntimeState.interp_current

But I failed to measure any performance difference.
History
Date User Action Args
2020-12-28 14:25:32vstinnersetrecipients: + vstinner, seberg
2020-12-28 14:25:32vstinnersetmessageid: <[email protected]>
2020-12-28 14:25:32vstinnerlinkissue40522 messages
2020-12-28 14:25:32vstinnercreate