bpo-47189: What's New in 3.11: Faster CPython #32235
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Co-Authored-By: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
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CC @gvanrossum @markshannon @brandtbucher @iritkatriel @sweeneyde @corona10 @kumaraditya303 @JelleZijlstra. For your opinions and review please (especially on the parts y'all contributed). |
You deserve it. |
Thanks for doing this. It is much appreciated.
I've left a few comments.
Doc/whatsnew/3.11.rst
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| @@ -62,6 +62,7 @@ Summary -- Release highlights | |||
| .. This section singles out the most important changes in Python 3.11. | |||
| Brevity is key. | |||
| - Python 3.11 is 22% faster than Python 3.10. See `Faster CPython`_ for details. | |||
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I would rather claim a range, say 10% to 60%.
Once the latest PRs are merged it will be about 25%, if you must have a single number.
https://gist.github.com/markshannon/bf1b99177290db30dd0ab8f56446d0ea
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I will update this number when the benchmark link updates its values/ when those PRs are merged into main.
Co-Authored-By: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Doc/whatsnew/3.11.rst
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| CPython 3.11 is on average `1.22x faster <https://github.com/faster-cpython/ideas/blob/main/main-vs-310.rst>`_ | ||
| than CPython 3.10 when measured with the | ||
| `pyperformance <https://github.com/python/pyperformance>`_ benchmark suite, on | ||
| Ubuntu Linux. Depending on your workload, the speedup could be 10-60% faster. |
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Should we mention compiler too? faster-cpython/ideas#331
| +---------------+--------------------+-------------------------------------------------------+-------------------+-------------------+ | ||
| | Unpack | ``*seq`` | Specialized for common containers such as ``list`` | 8% | Brandt Bucher | | ||
| | Sequence | | and ``tuple``. Avoids internal calling convention. | | | | ||
| +---------------+--------------------+-------------------------------------------------------+-------------------+-------------------+ |
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There's also COMPARE_OP, if we want to include that.
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Yep. I left those out since they're less exciting/common operations.
Co-Authored-By: Alex Waygood <Alex.Waygood@Gmail.com>
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@pablogsal are you OK with this going into 3.11 whats new? Or would you prefer I host this somewhere else and link to it in the whatsnew? |
For the time leave it here in its own section as in this way I will be able to easily do the final edits. Removing or moving information is much easier to add it as that way I don't need to consider what may be missing :) |
The static objects section's credits go to Kumar Aditya.
TODO:
__dict__optimizations[ ]dictmemory saving optimizations by Inada-san, but I have no clue where to start for thosehttps://bugs.python.org/issue47189