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Re: Python-on-guile

From: Stefan Israelsson Tampe
Subject: Re: Python-on-guile
Date: Sun, 25 Apr 2021 12:18:56 +0200

Python List lookup is 2x slower now than cpython. Tuple lookup is slightly faster. 

On Fri, 23 Apr 2021, 17:01 Mikael Djurfeldt <> wrote:

Yesterday, Andy committed new code to the compiler, some of which concerned skipping some arity checking.

Also, Stefan meanwhile committed something called "reworked object system" to his python-on-guile.

Sorry for coming with unspecific information (don't have time to track down the details) but I noticed that my benchmark script written in Python, and which computes the 20:th Ramanujan number, now runs 60% faster than before these changes.

This means that python-on-guile running on guile3 master executes python code only 2.6 times slower than the CPython python3 interpreter itself. :-)

Have a nice weekend all,

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