Path: csiph.com!usenet.pasdenom.info!weretis.net!feeder1.news.weretis.net!feeder.erje.net!eu.feeder.erje.net!xlned.com!feeder7.xlned.com!news2.euro.net!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 0.035 X-Spam-Evidence: '*H*': 0.93; '*S*': 0.00; 'indicated': 0.07; 'url:products': 0.07; 'subject:Why': 0.09; 'cc:addr:python-list': 0.11; '9:15': 0.16; 'limit.': 0.16; 'roy': 0.16; ':-)': 0.16; 'wrote:': 0.18; 'machine': 0.22; 'memory': 0.22; 'cc:addr:python.org': 0.22; '31,': 0.24; 'cc:2**0': 0.24; 'cc:no real name:2**0': 0.24; '>': 0.26; 'url:edu': 0.26; 'header:In- Reply-To:1': 0.27; 'am,': 0.29; 'message-id:@mail.gmail.com': 0.30; 'received:google.com': 0.35; 'really': 0.36; 'ram': 0.36; "i'll": 0.36; 'subject:?': 0.36; 'configured': 0.38; 'jason': 0.38; 'somebody': 0.38; 'enough': 0.39; 'reach': 0.63; 'love': 0.65; 'mar': 0.68; 'smith': 0.68; '512': 0.84; 'url:resources': 0.93; '2013': 0.98 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=7Pr9bMfkpTQ35F/cXWCKJkQtqIVfj2mCdgHfRp9ejho=; b=tVDPay7/6c6LjqgVJfAkEEOxPrSMsOYxntmSu8tTIjU4mQVnxk7rb6k+ssP+lqlrAK U7JjXXtPqHIwEoMKuMO3Zzfg4JyUYljJZ4+bYZbJCrXcumVmN6RomInWNhsVnJp6K3Vo mjrWqofDT5LRS0grlzjtoPi9AMQF3VtjXVWG/UVlmkwHezhMOXBKuWJgWNrTdaE3WLC4 6x8ojhOYv0sB0KNoLfg9aO7/cUp68RlqhA3/axP81KigkHQIV8GoMZGUIAd3+3PR/Fcj a7u6u/b0bgZR5gx4r6k8zF/oLkHGK5stEczDIPGoN7z+HuHso3PxsyqodC7shh+NbIt/ td5g== MIME-Version: 1.0 X-Received: by 10.50.153.232 with SMTP id vj8mr2279250igb.2.1364738593102; Sun, 31 Mar 2013 07:03:13 -0700 (PDT) In-Reply-To: References: <8e43bc87-e822-4bb3-b9ef-ccd489da8bf3@googlegroups.com> <5157e6cc$0$29974$c3e8da3$5496439d@news.astraweb.com> <8276eff6-9e5c-4060-b9e8-94fab606206f@googlegroups.com> Date: Sun, 31 Mar 2013 10:03:12 -0400 Subject: Re: Why does 1**2**3**4**5 raise a MemoryError? From: Jason Swails To: Roy Smith Content-Type: multipart/alternative; boundary=e89a8f23551f0da1cf04d938f759 Cc: python-list@python.org 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: 65 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1364738596 news.xs4all.nl 6843 [2001:888:2000:d::a6]:40882 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:42372 --e89a8f23551f0da1cf04d938f759 Content-Type: text/plain; charset=ISO-8859-1 On Sun, Mar 31, 2013 at 9:15 AM, Roy Smith wrote: > > > $ prtstat 29937 > > Process: mongod State: S (sleeping) > > [...] > > Memory > > Vsize: 1998285 MB > > RSS: 5428 MB > > RSS Limit: 18446744073709 MB > > If I counted the digits right, that 1.9 TB. I love the RSS Limit. I'll > be really impressed when somebody builds a machine with enough RAM to > reach that :-) > http://www.ncsa.illinois.edu/UserInfo/Resources/Hardware/SGIAltix/TechSummary/ Look at co-compute2. The indicated memory is available as shared memory across all 512 cores. And that's nothing---it can be configured with up to 64 TB of global shared memory: http://www.sgi.com/products/servers/uv/configs.html Impressed? :) All the best, Jason --e89a8f23551f0da1cf04d938f759 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable

On Sun, M= ar 31, 2013 at 9:15 AM, Roy Smith <roy@panix.com> wrote:

> $ prtstat 29937
> Process: mongod =A0 =A0 =A0 =A0 =A0 =A0State: S (sleeping)
> [...]
> Memory
> =A0 Vsize: =A0 =A0 =A0 1998285 MB
> =A0 RSS: =A0 =A0 =A0 =A0 5428 MB
> =A0 RSS Limit: 18446744073709 MB

If I counted the digits right, that 1.9 TB. =A0I love the RSS Limit. =A0I&#= 39;ll
be really impressed when somebody builds a machine with enough RAM to
reach that :-)

http://w= ww.ncsa.illinois.edu/UserInfo/Resources/Hardware/SGIAltix/TechSummary/<= /div>

Look at co-compute2. =A0The indicated memory is available as share= d memory across all 512 cores. =A0And that's nothing---it can be config= ured with up to 64 TB of global shared memory: http://www.sgi.com/products/servers/uv/= configs.html

Impressed? :)

All the best,
Jason
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