Path: csiph.com!usenet.pasdenom.info!weretis.net!feeder1.news.weretis.net!feeder4.news.weretis.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed2.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.013 X-Spam-Evidence: '*H*': 0.97; '*S*': 0.00; 'cpython': 0.05; 'badly': 0.09; 'from:addr:ethan': 0.09; 'from:addr:stoneleaf.us': 0.09; 'from:name:ethan furman': 0.09; 'message-id:@stoneleaf.us': 0.09; '~ethan~': 0.09; 'devs': 0.16; 'filename:fname piece:signature': 0.16; 'losing': 0.16; 'require.': 0.16; 'subject:Pypy': 0.16; 'terribly': 0.16; 'wrote:': 0.18; 'memory': 0.22; 'header:User- Agent:1': 0.23; "aren't": 0.24; '(or': 0.24; 'least': 0.26; 'primary': 0.26; 'header:In-Reply-To:1': 0.27; 'point': 0.28; 'appear': 0.29; 'code': 0.31; "d'aprano": 0.31; 'steven': 0.31; 'probably': 0.32; 'run': 0.32; 'core': 0.34; 'problem': 0.35; 'subject:?': 0.36; 'massive': 0.38; 'version,': 0.38; 'work?': 0.38; 'to:addr:python-list': 0.38; 'pm,': 0.38; 'previous': 0.38; 'to:addr:python.org': 0.39; 'enough': 0.39; 'skip:u 10': 0.60; 'received:173': 0.61; 'first': 0.61; 'real': 0.63; 'close': 0.67; 'benefit': 0.68; 'life.': 0.83; 'believe,': 0.84; 'same,': 0.91 Date: Mon, 23 Feb 2015 11:39:05 -0800 From: Ethan Furman User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: python-list@python.org Subject: Re: Future of Pypy? References: <87fv9xdb22.fsf@jester.gateway.pace.com> <54ea7ff4$0$12983$c3e8da3$5496439d@news.astraweb.com> <87zj85bcyu.fsf@jester.gateway.pace.com> <54ead9aa$0$12930$c3e8da3$5496439d@news.astraweb.com> In-Reply-To: <54ead9aa$0$12930$c3e8da3$5496439d@news.astraweb.com> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="2RVwlVwCbVoUwKjrsxn7AgrtPGfOrAVO7" 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: 53 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1424720384 news.xs4all.nl 2832 [2001:888:2000:d::a6]:46366 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:86258 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --2RVwlVwCbVoUwKjrsxn7AgrtPGfOrAVO7 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 02/22/2015 11:41 PM, Steven D'Aprano wrote: > If you want *CPython* to work without a GIL, well, are you volunteering= to=20 > do the work? It is a massive job, and the core devs aren't terribly=20 > interested. Probably because they understand that the GIL is not often = an=20 > unsurmountable problem in real life. That brings us to the point I was = > making: I believe, and the core devs appear to think the same, that the= =20 > *actual* number of people who would benefit from CPython losing the GIL= is=20 > not large enough to justify the work it would require. If memory serves, the first and primary point to losing the GIL is that s= ingle-threaded code must run just as fast (or at least close to just as fast) as the GIL version, and previous attempts= have all badly failed that requisite. -- ~Ethan~ --2RVwlVwCbVoUwKjrsxn7AgrtPGfOrAVO7 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAEBAgAGBQJU64HcAAoJENZ7D1rrH75NJZEP/iSYNbzpCNSblVYsC6bfbkjQ a/bn9SglUyFfqP7zwALhjW6gMQgdfWo3tM/VsvWmd66X52dBVpoicMnGxmXJI3rq Sx758mhekfT4wUoxUH/GDMs8JEp6+cwCFbpMKRWJZJ774DdbeGHqkLV/yoBF3RSv rZwlmB+0LtkFiUXTRIGZxF8hWQ588e+nVxxJyggmrGE98jaxwkvU17SKRPcJoYuK zog5U8Ll3AZJF4sMgIrTHmPWcQJltjqCzTc+SGoyBbRAh5jOhNBcmioTK60UszSj 8tSvVpN/fbaa6TWkptHqa6h9pZ/bmUZo3MNVE8FuBGVNH/dRpF0kbh09lBHPspR3 64VHDIM9zXMBcmmOhvffmQksBQgdIVeoPlwgPNGcSHu+YwIhB1JKudnyUEz+MEhL knrDtD71NwtcNQphkkuDPlk3p095NNIkUu8d4VXLB6Ce+TxskocXlb8PG9f623EH 8W8YLEq+551GS1DjbEK/aNVaTQbcY0nZ9uvV/l0GrOQkg3qUgk/nIWMdg9nwZaTm NBkP7SQnzYFFRKovCLovgxdEI5Lq6NFOm2MU9iPP0RR8hHX2irKK4fti8YcAo1w6 IxWIasJMArJrIszieZADIlt5wUG0tVJraWbr5dKF/avI4BBE7IeNeCdS1aSDbgCf NA92PgG+unZ07GFJeVD/ =e3w4 -----END PGP SIGNATURE----- --2RVwlVwCbVoUwKjrsxn7AgrtPGfOrAVO7--