Stackless Python VS pypy

Compare Stackless Python vs pypy and see what are their differences.

pypy

PyPy is a very fast and compliant implementation of the Python language. (by pypy)
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Stackless Python pypy
- 1
- 726
- -
- 9.6
- 5 days ago
Python
- GNU General Public License v3.0 or later
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

Stackless Python

Posts with mentions or reviews of Stackless Python. We have used some of these posts to build our list of alternatives and similar projects.

We haven't tracked posts mentioning Stackless Python yet.
Tracking mentions began in Dec 2020.

pypy

Posts with mentions or reviews of pypy. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-04-24.
  • PyPy v7.3.16 Release
    4 projects | news.ycombinator.com | 24 Apr 2024
    You'll note I said I was playing with RPython, not PyPy. In my case, I was playing with writing a small interpreter, and comparing the RPython toolchain with the Truffle/Graal framework.

    Writing RPython code, even if one is not developing or contributing to PyPy, means writing within a subset of python 2.

    > RPython ("Restricted Python") is a subset of Python 2

    https://www.pypy.org/posts/2022/04/how-is-pypy-tested.html

    And RPython's translator specifically uses pypy, and uses python 2 syntax:

    https://github.com/pypy/pypy/blob/main/rpython/bin/rpython#L...

    ... so getting the RPython toolchain (even if one is intending to improve the PyPy 3+ interpreters) requires setting up a pypy 2 interpreter. Hence the question in my post.

What are some alternatives?

When comparing Stackless Python and pypy you can also consider the following projects:

PyPy

dramatiq - A fast and reliable background task processing library for Python 3.

Cython - The most widely used Python to C compiler

Pyston - A faster and highly-compatible implementation of the Python programming language.

Pyjion

PeachPy - x86-64 assembler embedded in Python

pypy - The unofficial GitHub mirror of PyPy (mirrored via https://github.com/mozillazg/job-mirror-hg-repos)