Python 3.11 Beta Demonstrates Significant Speed Gains Over 3.10
The Python team released a beta of Python 3.11, and benchmark tests using Docker on an M1 Pro MacBook Pro show the new version averaging 14% faster than 3.10 and achieving up to 64% speed improvements in many workloads, highlighting notable performance enhancements.
Python’s execution speed has long been considered a limitation, and developers have eagerly awaited improvements. On May 7, the Python team announced the beta release (Beta 1) of Python 3.11, slated for an official launch in October 2022.
A community member conducted performance tests by installing Python 3.10 and 3.11 in separate Docker containers on a 10‑core CPU M1 Pro MacBook Pro (using five logical cores). The pyperformance package was used to run a suite of benchmarks.
The results, averaged across all tests, indicate that Python 3.11 is about 14% faster than Python 3.10. In many individual benchmarks, the speedup reaches as high as 64%, although a few tests show a slight slowdown.
These findings suggest that the upcoming stable release of Python 3.11 will deliver noticeable performance gains, though the final official version may still differ from the beta results.
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