From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andy Wingo Newsgroups: gmane.lisp.guile.devel Subject: Re: Take some lowhanging fruit to speed up R6RS fixnum operations Date: Tue, 05 Apr 2011 00:12:06 +0200 Message-ID: References: <1300836034-17716-1-git-send-email-a.rottmann@gmx.at> <87wrjglvsq.fsf@gmx.at> <874o6d1xua.fsf@gmx.at> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1301955132 32559 80.91.229.12 (4 Apr 2011 22:12:12 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Mon, 4 Apr 2011 22:12:12 +0000 (UTC) Cc: guile-devel@gnu.org To: Andreas Rottmann Original-X-From: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Tue Apr 05 00:12:08 2011 Return-path: Envelope-to: guile-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Q6s0F-0005w9-Qr for guile-devel@m.gmane.org; Tue, 05 Apr 2011 00:12:08 +0200 Original-Received: from localhost ([127.0.0.1]:54493 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Q6s0E-00026h-Ug for guile-devel@m.gmane.org; Mon, 04 Apr 2011 18:12:07 -0400 Original-Received: from [140.186.70.92] (port=43773 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Q6rzy-00025P-AT for guile-devel@gnu.org; Mon, 04 Apr 2011 18:11:51 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Q6rzw-0004oS-Pi for guile-devel@gnu.org; Mon, 04 Apr 2011 18:11:50 -0400 Original-Received: from a-pb-sasl-sd.pobox.com ([64.74.157.62]:45391 helo=sasl.smtp.pobox.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Q6rzw-0004nz-JQ for guile-devel@gnu.org; Mon, 04 Apr 2011 18:11:48 -0400 Original-Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by a-pb-sasl-sd.pobox.com (Postfix) with ESMTP id A3B65486C; Mon, 4 Apr 2011 18:13:40 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; s=sasl; bh=vH/t6vLBmDiQPZHr98XfL3I8MS0=; b=sGv5Ef DVC0x++9qmPMt8Zsm3VuEkqoRZ6NPXDylu76+uuZbSpsmH/E7DDq7YkLgX8+lu05 EHTDS8mmyyMs3qX348y7Ti/kjSJ8h2WwFfYwaR/AgNhusT7aZyMlpQ5JnduWUWFB ycmOd+aHZmbaeCk3ygcIhlWRyLxjd/TmlsF40= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; q=dns; s=sasl; b=f402i4mGY5bMOx0AHjIXb7cITsHcXMBJ SP0G+pCy5iWwnaoiVxx6kTdfvo+2aQMlnRgFUJ8ol+tiLeE1oEwabDTifHX2Akq/ P/0GpHF3sD+29e2ITXEt9H4NEg2Fygn7H/TBUcB76R3iDJiUb1HKY2ooEINuqwbg +6826Vsbnhc= Original-Received: from a-pb-sasl-sd.pobox.com (unknown [127.0.0.1]) by a-pb-sasl-sd.pobox.com (Postfix) with ESMTP id 90911486B; Mon, 4 Apr 2011 18:13:38 -0400 (EDT) Original-Received: from unquote.localdomain (unknown [90.164.198.39]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by a-pb-sasl-sd.pobox.com (Postfix) with ESMTPSA id F018A486A; Mon, 4 Apr 2011 18:13:36 -0400 (EDT) In-Reply-To: <874o6d1xua.fsf@gmx.at> (Andreas Rottmann's message of "Tue, 05 Apr 2011 00:00:13 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) X-Pobox-Relay-ID: CAA1D1DC-5F08-11E0-832B-E8AB60295C12-02397024!a-pb-sasl-sd.pobox.com X-detected-operating-system: by eggs.gnu.org: Solaris 10 (beta) X-Received-From: 64.74.157.62 X-BeenThere: guile-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Developers list for Guile, the GNU extensibility library" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Errors-To: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.devel:12160 Archived-At: On Tue 05 Apr 2011 00:00, Andreas Rottmann writes: > Andy Wingo writes: > >> How long does the standard unix utility take, for the record? >> > On a tmpfs, with the same ZIP file: > > unzip ~/public_html/tmp/bundles/xitomatl-20110103.zip 0.07s user 0.03s system 77% cpu 0.135 total OK, so Guile (in its standard, "generic" configuration) is about 100 times slower (7.7s) than well-optimized native code. I guess the positive way to spin that is that it's great that we have so much room for improvement ;-) Andy -- http://wingolog.org/