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One of the very first things in the article is a TLDR section that points you to the conclusion.

> In conclusion, the issue isn't software-related. Python outperforms C/Rust due to an AMD CPU bug.

It is software-related. Just the CPU perform badly on some software instruction.

FSRM is a CPU feature embedded in the microcode (in this instance, amd-ucode) that software such as glibc cannot interact with. I refer to it as hardware because I consider microcode a part of the hardware.

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