Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed1.swip.net!uio.no!news.tele.dk!news.tele.dk!small.news.tele.dk!newsgate.cistron.nl!newsgate.news.xs4all.nl!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 0.038 X-Spam-Evidence: '*H*': 0.92; '*S*': 0.00; 'cc:addr:python-list': 0.11; '1:48': 0.16; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'kernels,': 0.16; 'less,': 0.16; 'reason.': 0.16; 'roy': 0.16; 'windows?': 0.16; 'wrote:': 0.18; 'issue.': 0.22; 'cc:addr:python.org': 0.22; 'creating': 0.23; 'mon,': 0.24; '(or': 0.24; 'cc:2**0': 0.24; 'header:In-Reply-To:1': 0.27; 'unix': 0.29; 'message-id:@mail.gmail.com': 0.30; 'another': 0.32; 'but': 0.35; 'received:google.com': 0.35; 'there': 0.35; 'pm,': 0.38; 'expensive': 0.39; 'major': 0.40; 'new': 0.61; 'become': 0.64; 'more': 0.64; 'smith': 0.68; 'maybe,': 0.84; 'to:none': 0.92 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:cc :content-type; bh=uF7cyfMklLr+HryDjk/ijLlGwR6z8KaOnK+BrGvGrAI=; b=XTc0J95PXOmgMnXncpCCiErcN67gtvlyTNEAuoU6vy7wmvW/aOyn5a9kS+/mgrY12Z llWQQRw8uyOE0cvoPX1tuoPZzWXjcGbQ59wKOaGdIRUS88LNHoK4FSVu3wmHPn/i/J5t eTO/FKYQASnSvjLTF/9fcqK50QgzLOlNu/K3WOjOz76Y5zTLVbwSHyyamQwKJZljOe6h 5NfYt4IsxBRvBJ2jDyzHwPdJmXA6A5f8T4iYfDqlQO5TkzYzPu3VVrQQSesgxCyWC3RY dDECQ+UGAY+81SNqw4t5Az3ID7RqXB8Yzk6VpsB48e8Iy580DTjhjVA1483ByYQ8JMLF PDvg== MIME-Version: 1.0 X-Received: by 10.68.217.234 with SMTP id pb10mr657146pbc.142.1396842995563; Sun, 06 Apr 2014 20:56:35 -0700 (PDT) In-Reply-To: References: Date: Mon, 7 Apr 2014 13:56:35 +1000 Subject: Re: threading From: Chris Angelico Cc: "python-list@python.org" Content-Type: text/plain; charset=UTF-8 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: 10 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1396843004 news.xs4all.nl 2932 [2001:888:2000:d::a6]:53876 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:69796 On Mon, Apr 7, 2014 at 1:48 PM, Roy Smith wrote: > There is (or at least, was) another reason. Creating a new process used > to be far more expensive than creating a new thread. In modern Unix > kernels, however, the cost difference has become much less, so this is > no longer a major issue. Unix maybe, but what about Windows? Is it efficient to create processes under Windows? ChrisA