From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Olivier Dion via General Guile related discussions Newsgroups: gmane.lisp.guile.user Subject: Re: map-par slower than map Date: Thu, 10 Nov 2022 12:07:13 -0500 Message-ID: <87mt8yoi0u.fsf@laura> References: <5608809c-89a2-118c-5c05-c46ac3a0e21b@posteo.de> Reply-To: Olivier Dion Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31627"; mail-complaints-to="usenet@ciao.gmane.io" Cc: guile-user To: Damien Mattei , Zelphir Kaltstahl Original-X-From: guile-user-bounces+guile-user=m.gmane-mx.org@gnu.org Thu Nov 10 18:07:48 2022 Return-path: Envelope-to: guile-user@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1otB1o-00084t-Hk for guile-user@m.gmane-mx.org; Thu, 10 Nov 2022 18:07:48 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1otB1P-0003jG-Nc; Thu, 10 Nov 2022 12:07:23 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1otB1N-0003is-V8 for guile-user@gnu.org; Thu, 10 Nov 2022 12:07:21 -0500 Original-Received: from smtp.polymtl.ca ([132.207.4.11]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1otB1M-0003lW-Hd for guile-user@gnu.org; Thu, 10 Nov 2022 12:07:21 -0500 Original-Received: from localhost (modemcable094.169-200-24.mc.videotron.ca [24.200.169.94]) by smtp.polymtl.ca (8.14.7/8.14.7) with ESMTP id 2AAH7DMx002458; Thu, 10 Nov 2022 12:07:18 -0500 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp.polymtl.ca 2AAH7DMx002458 In-Reply-To: X-Poly-FromMTA: (modemcable094.169-200-24.mc.videotron.ca [24.200.169.94]) at Thu, 10 Nov 2022 17:07:13 +0000 Received-SPF: pass client-ip=132.207.4.11; envelope-from=olivier.dion@polymtl.ca; helo=smtp.polymtl.ca X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Guile related discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-user-bounces+guile-user=m.gmane-mx.org@gnu.org Original-Sender: guile-user-bounces+guile-user=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.lisp.guile.user:18718 Archived-At: On Thu, 10 Nov 2022, Damien Mattei wrote: > Hello Zelphir, > > i finally find a possible cause of no speed up of my code, i find that > using your code the procedure keep blocked on the first 'touch at line 27 > here: > I have found a possible deadlock with Guile's mutex. In some very rare cases, ice-9 futures deadlock because of it. Maybe it's not the case here I haven't read the code you've mentioned. Just letting you know. -- Olivier Dion oldiob.dev