From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: David Pirotte Newsgroups: gmane.lisp.guile.bugs Subject: bug#14756: threads - par-map - multicore issue Date: Sun, 30 Jun 2013 15:00:54 -0300 Message-ID: <20130630150054.07f19f35@capac> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1372615329 17397 80.91.229.3 (30 Jun 2013 18:02:09 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 30 Jun 2013 18:02:09 +0000 (UTC) To: 14756@debbugs.gnu.org Original-X-From: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Sun Jun 30 20:02:09 2013 Return-path: Envelope-to: guile-bugs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1UtLwu-00032C-Rh for guile-bugs@m.gmane.org; Sun, 30 Jun 2013 20:02:09 +0200 Original-Received: from localhost ([::1]:39482 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UtLwu-0003hx-Ax for guile-bugs@m.gmane.org; Sun, 30 Jun 2013 14:02:08 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:46413) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UtLwq-0003hq-36 for bug-guile@gnu.org; Sun, 30 Jun 2013 14:02:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UtLwp-0000Hw-86 for bug-guile@gnu.org; Sun, 30 Jun 2013 14:02:04 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:55044) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UtLwp-0000Hp-4L for bug-guile@gnu.org; Sun, 30 Jun 2013 14:02:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1UtLwo-0006sV-II for bug-guile@gnu.org; Sun, 30 Jun 2013 14:02:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: David Pirotte Original-Sender: "Debbugs-submit" Resent-CC: bug-guile@gnu.org Resent-Date: Sun, 30 Jun 2013 18:02:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 14756 X-GNU-PR-Package: guile X-GNU-PR-Keywords: X-Debbugs-Original-To: Original-Received: via spool by submit@debbugs.gnu.org id=B.137261529626406 (code B ref -1); Sun, 30 Jun 2013 18:02:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 30 Jun 2013 18:01:36 +0000 Original-Received: from localhost ([127.0.0.1]:49360 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1UtLwN-0006rp-F2 for submit@debbugs.gnu.org; Sun, 30 Jun 2013 14:01:35 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:44543) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1UtLwL-0006rZ-6O for submit@debbugs.gnu.org; Sun, 30 Jun 2013 14:01:33 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UtLwF-000095-4U for submit@debbugs.gnu.org; Sun, 30 Jun 2013 14:01:28 -0400 Original-Received: from lists.gnu.org ([2001:4830:134:3::11]:38694) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UtLwF-000091-2P for submit@debbugs.gnu.org; Sun, 30 Jun 2013 14:01:27 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:46249) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UtLwD-0003fO-5J for bug-guile@gnu.org; Sun, 30 Jun 2013 14:01:27 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UtLwC-00008T-25 for bug-guile@gnu.org; Sun, 30 Jun 2013 14:01:25 -0400 Original-Received: from maximusconfessor.all2all.org ([79.99.200.102]:45388) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UtLwB-00087v-T3 for bug-guile@gnu.org; Sun, 30 Jun 2013 14:01:23 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by maximusconfessor.all2all.org (Postfix) with ESMTP id 6B736A04C0B5 for ; Sun, 30 Jun 2013 20:01:01 +0200 (CEST) Original-Received: from maximusconfessor.all2all.org ([127.0.0.1]) by localhost (maximusconfessor.all2all.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8lGhzRpM9YGF for ; Sun, 30 Jun 2013 20:00:58 +0200 (CEST) Original-Received: from capac (unknown [189.60.0.155]) by maximusconfessor.all2all.org (Postfix) with ESMTPSA id B7067A04C051 for ; Sun, 30 Jun 2013 20:00:57 +0200 (CEST) X-Mailer: Claws Mail 3.9.1 (GTK+ 2.24.18; x86_64-pc-linux-gnu) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-guile@gnu.org List-Id: "Bug reports for GUILE, GNU's Ubiquitous Extension Language" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Original-Sender: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.bugs:7193 Archived-At: Hello, guile --version guile (GNU Guile) 2.0.9.20-10454 It seems that the par-map not using all cores problem has some how been reintroduced? guile -c '(begin (use-modules (ice-9 threads)) (par-map 1+ (iota 400000)))' only uses 1 core [it seems it uses some other [maybe all, i can't tell] a couple of milliseconds, then drops to 1 core only. Thanks, David ;; -- david@idefix:~ 16 $ guile -c '(begin > (use-modules (ice-9 threads)) > (par-map 1+ (iota 400)) > (display (current-processor-count)) (display "\n") > (display (length (@@ (ice-9 futures) %workers))) (display "\n"))' 12 11