Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.026 X-Spam-Evidence: '*H*': 0.95; '*S*': 0.00; 'cpython': 0.05; 'pypy': 0.07; 'agree,': 0.09; 'lawrence': 0.09; 'subject:into': 0.09; 'url:github': 0.09; 'url:pypy': 0.09; 'runs': 0.10; 'cet': 0.16; 'dependency,': 0.16; 'pypy.': 0.16; 'subject:PyPy': 0.16; 'subject:embed': 0.16; 'unimportant': 0.16; 'wrote:': 0.18; 'trying': 0.19; 'stefan': 0.19; 'separate': 0.22; "haven't": 0.24; "i've": 0.25; 'to:2**1': 0.27; 'to:no real name:2**1': 0.29; 'dec': 0.30; 'ones.': 0.31; 'critical': 0.32; 'becomes': 0.33; 'fri,': 0.33; 'totally': 0.33; 'but': 0.35; 'opposed': 0.36; 'charset:us-ascii': 0.36; 'url:org': 0.36; 'skip:- 20': 0.37; 'level': 0.37; 'clear': 0.37; 'being': 0.38; 'others.': 0.38; 'to:addr:python-list': 0.38; 'heard': 0.39; 'to:addr:python.org': 0.39; 'received:98.137': 0.60; 'then,': 0.60; 'choose': 0.64; 'interest': 0.64; 'more': 0.64; 'between': 0.67; 'received:gq1.yahoo.com': 0.68; 'received:mail.gq1.yahoo.com': 0.68; 'useful.': 0.68; 'received:98.136': 0.69; '"not': 0.84; 'received:bullet.mail.gq1.yahoo.com': 0.84; 'url:latest': 0.91; 'differences': 0.93 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 181175.69721.bm@omp1003.mail.gq1.yahoo.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1417962676; bh=hEzC5htOmKxR2blE8aZnufyLIT7hONWAaYkpCtPfkH4=; h=Message-ID:Date:From:Subject:To:MIME-Version:Content-Type; b=rInXh2PpYWytA/uSR5GtzpRRAbTBLAesfx1JPmXwFYQIj4TihzwkAQAuUvTyyF0ZJY4OgmFRct7/VguQ3i1iNmCl5Xyc9s3HJc2BDlWVEBLzFelKwSHFeV4apU190NGMDLpuK0NS2wbMXjUWCFARk8qM4F3vPmYeet3/ekqv7pE= X-YMail-OSG: o8KcXKAVM1nbRi.5XRVAUXwUFP.oZ0.nbF2sZPiQFJTgRR9 mleeQQvocVo.FM.prq74CsZzqILgKB5p_Aa8QP5eSe857xeYk1tBoLd1U1X9 iQFxdzLJMQnG16QHNXRu3AOpY6u6DQ9dJ6yhrpkUGGXgSKuiBdeFYvvWTC7x n.At0OJdVVt.HiZDQ7rwKGjcxxrIO6eNrCjamGPDNtzAOOTJCfDBnbL3dz2o ORCmjLqNyqW2ifVAi_jVoVWDZiTORHGvL9p5.KfPSFXcWvSc2Qcnf7BLDVuZ EAaD.fgbCtRz8Eoo7hektd4EOrx_eDcOPdM2V5Ya9x6fVOtFMjRENagrDiHX SDgo1andTgpbVWlp6LacAxJtRzLfD2FjsHj.qft.3yVmkXVFQnhe8KTrowcz jINIDOdGlkk_n8D9BxKOfs9GiBzb1lrDdqaro6wCQG5z_uAUsXScIAptmQF4 UD9fWhtx_b_hUecKD0pnzlLsrlM2MxTo5aX_p2kAGBzwt4NNoDkLzEEV3GNY .U_toDCAS75Zm9WSi9bn.k5GAlJspk3CukUrGWhnnIDIpF0f9LvAN0VdvURu eMfHID5qhBqScdzySrFpkDnRwtO88o9JhfGCh9PqZBZUfDf8asVY3qr0kF6h YATrvxV90XE0DAf.LifMx.0rFudk4YE2LLZ6hpQbK7c5LIwgKUH1gQHvX_SN f7OlRvkMotPQ0lh.BDQ8uLgysf9.IsEJ4rRk29nSPRP9HgJ8rr06PDL7q X-Rocket-MIMEInfo: 002.001, Ci0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0NCk9uIFN1biwgRGVjIDcsIDIwMTQgMTE6MDYgQU0gQ0VUIFN0ZWZhbiBCZWhuZWwgd3JvdGU6DQoNCj5BbGJlcnQtSmFuIFJvc2thbSBzY2hyaWViIGFtIDA2LjEyLjIwMTQgdW0gMjE6Mjg6DQo.PiBPbiBGcmksIERlYyA1LCAyMDE0IDg6NTQgUE0gQ0VUIE1hcmsgTGF3cmVuY2Ugd3JvdGU6DQo.PiBGb3IgdGhvc2Ugd2hvIGhhdmVuJ3QgaGVhcmQgdGhvdWdodCB0aGlzIG1pZ2h0IGJlIG9mIGludGVyZXN0DQo.PiBodHRwczovL2dpdGh1Yi5jb20vZmlqYWwBMAEBAQE- X-Mailer: YahooMailWebService/0.8.203.740 Date: Sun, 7 Dec 2014 06:31:16 -0800 From: Albert-Jan Roskam Subject: Re: jitpy - Library to embed PyPy into CPython To: stefan_ml@behnel.de, python-list@python.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 26 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1417962804 news.xs4all.nl 2902 [2001:888:2000:d::a6]:37708 X-Complaints-To: abuse@xs4all.nl Path: csiph.com!usenet.pasdenom.info!bete-des-vosges.org!feed.ac-versailles.fr!nerim.net!novso.com!newsfeed.xs4all.nl!newsfeed2a.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Xref: csiph.com comp.lang.python:82055 ---------------------------- On Sun, Dec 7, 2014 11:06 AM CET Stefan Behnel wrote: >Albert-Jan Roskam schrieb am 06.12.2014 um 21:28: >> On Fri, Dec 5, 2014 8:54 PM CET Mark Lawrence wrote: >> For those who haven't heard thought this might be of interest >> https://github.com/fijal/jitpy >> >> Interesting, but it is not clear to me when you would use jitpy instead >> of pypy. > >I think this is trying to position PyPy more in the same corner as other >JIT compilers for CPython, as opposed to keeping it a completely separate >thing which suffers from being "not CPython". It's a huge dependency, but >so are others. You mean like psyco? Well, if implementation differences between cpython and pypy are a problem, it might be useful. I've only come across a few unimportant ones. Bu then, I never reimplement __del__. http://pypy.readthedocs.org/en/latest/cpython_differences.html >Being able to choose tools at this level is great, so if PyPy becomes yet >another way to speed up the critical 5% of a CPython application, that's a >good thing. Totally agree, provided that 5 % makes a practical difference ("wow, it runs 5 ns faster now" :-))