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[Python-Dev] Per opcode cache for LOAD_GLOBAL


On Wed, May 29, 2019 at 6:21 AM Inada Naoki <songofacandy at gmail.com> wrote:

> Hi, all.
>
> Yury implemented per opcode cache for LOAD_GLOBAL,
> LOAD_ATTR, and LOAD_METHOD.  [1]
>
> I update the patch for current master branch, but only for
> LOAD_GLOBAL for now. [2]  It sped up LOAD_GLOBAL
> about 40%. [3]  It is attractive optimization.
>
> Now 3.8b1 will be coming soon, but the pull request is not
> reviewed well yet.
> For example, should we add some switch to disable the cache?
>

Why would we want disable it?


>
> May I merge it before beta1 and polish (or revert) it by rc1?
>

I think that's an RM call.


> Or should I postpone it for 3.9?
>

That's obviously the simplest. :)

-Brett


>
> Regards,
>
> [1]: https://bugs.python.org/issue26219
> [2]: https://github.com/python/cpython/pull/12884
> [3]:
> https://github.com/methane/sandbox/tree/master/2019/opcache_load_global#opcache-for-load_global
>
> --
> Inada Naoki  <songofacandy at gmail.com>
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