From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Israelsson Tampe Newsgroups: gmane.lisp.guile.user Subject: Re: GC thread performance Date: Tue, 28 Nov 2017 00:05:16 +0100 Message-ID: References: <192F0231-DBB4-40D4-B3D6-0BAAB254CC59@telia.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 (Mac OS X Mail 11.1 \(3445.4.7\)) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1511824215 19268 195.159.176.226 (27 Nov 2017 23:10:15 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 27 Nov 2017 23:10:15 +0000 (UTC) To: =?utf-8?Q?Hans_=C3=85berg?= Original-X-From: guile-user-bounces+guile-user=m.gmane.org@gnu.org Tue Nov 28 00:10:11 2017 Return-path: Envelope-to: guile-user@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eJSXO-0004MM-NX for guile-user@m.gmane.org; Tue, 28 Nov 2017 00:10:06 +0100 Original-Received: from localhost ([::1]:35187 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eJSXV-0003fQ-Nh for guile-user@m.gmane.org; Mon, 27 Nov 2017 18:10:13 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:39768) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eJSX9-0003fL-MB for guile-user@gnu.org; Mon, 27 Nov 2017 18:09:52 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eJSX6-0000Vc-HR for guile-user@gnu.org; Mon, 27 Nov 2017 18:09:51 -0500 Resent-Message-Id: Original-Received: from v-smtpout2.han.skanova.net ([81.236.60.155]:59732) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eJSX6-0000VN-94 for guile-user@gnu.org; Mon, 27 Nov 2017 18:09:48 -0500 Original-Received: from [10.0.1.4] ([90.227.203.185]) by cmsmtp with SMTP id JSX3egLljAXuLJSX3eWs9z; Tue, 28 Nov 2017 00:09:45 +0100 Resent-From: =?utf-8?Q?Hans_=C3=85berg?= In-Reply-To: <192F0231-DBB4-40D4-B3D6-0BAAB254CC59@telia.com> Resent-Date: Tue, 28 Nov 2017 00:09:44 +0100 Resent-To: Guile User X-Mailer: Apple Mail (2.3445.4.7) X-CMAE-Envelope: MS4wfE7vz/xyvV3s43RI/Zlsm4AabQGAxggvBOGB4N4Inbq+mL+QSLq9TfpAcGeCuJpCxt/33oVO8bbbocIKdrjGsk2KepmBPMsQ4lGV/ECAT7AVONMPdbg2 5WiJLp9xgHPql18CCjIzQn7v6UebY8k6doqBHQplF3X1xUUco+6mmcnD X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 81.236.60.155 X-Content-Filtered-By: Mailman/MimeDel 2.1.21 X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "guile-user" Xref: news.gmane.org gmane.lisp.guile.user:14300 Archived-At: There are lists of free memory kept in each thread so usually small = allocation is one multithreaded large allocation and then a bunch of small allocation in thread consuming that large allocation. = So for small memory segments I would say that the=20 overhead probably is neglible. On Mon, Nov 27, 2017 at 11:40 PM, Hans =C3=85berg > wrote: With the Boehm GC in Guile, does multithread allocations take longer = time than the same amount in a single thread?