Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 549BA200BA7 for ; Thu, 6 Oct 2016 10:15:26 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 537D5160AAD; Thu, 6 Oct 2016 08:15:26 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 9ECC4160AE0 for ; Thu, 6 Oct 2016 10:15:25 +0200 (CEST) Received: (qmail 23330 invoked by uid 500); 6 Oct 2016 08:15:24 -0000 Mailing-List: contact dev-help@singa.incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@singa.incubator.apache.org Delivered-To: mailing list dev@singa.incubator.apache.org Received: (qmail 23249 invoked by uid 99); 6 Oct 2016 08:15:24 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 06 Oct 2016 08:15:24 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id 6AE1F181BC1 for ; Thu, 6 Oct 2016 08:15:24 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -7.019 X-Spam-Level: X-Spam-Status: No, score=-7.019 tagged_above=-999 required=6.31 tests=[KAM_LAZY_DOMAIN_SECURITY=1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-2.999] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id OYP0RSKhm3bp for ; Thu, 6 Oct 2016 08:15:23 +0000 (UTC) Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with SMTP id 7BE3D5F405 for ; Thu, 6 Oct 2016 08:15:22 +0000 (UTC) Received: (qmail 22998 invoked by uid 99); 6 Oct 2016 08:15:21 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 06 Oct 2016 08:15:21 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id C48472C0D55 for ; Thu, 6 Oct 2016 08:15:20 +0000 (UTC) Date: Thu, 6 Oct 2016 08:15:20 +0000 (UTC) From: "wangwei (JIRA)" To: dev@singa.incubator.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Closed] (SINGA-148) Race condition between Worker threads and Driver MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Thu, 06 Oct 2016 08:15:26 -0000 [ https://issues.apache.org/jira/browse/SINGA-148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] wangwei closed SINGA-148. ------------------------- Resolution: Fixed > Race condition between Worker threads and Driver > ------------------------------------------------ > > Key: SINGA-148 > URL: https://issues.apache.org/jira/browse/SINGA-148 > Project: Singa > Issue Type: Bug > Environment: Tested on Debian 8.3 > Reporter: Tan Li Boon > Labels: newbie > Original Estimate: 1h > Remaining Estimate: 1h > > In the main branch, a thread of execution for each worker is started before information about its device type is passed into it. > This causes test cases such as MNIST to not use GPUs for calculation, and other test cases such as CIFAR10 to fail when it attempts to perform cudnn-based functions on the CPU. > A temporary workaround is to make the worker thread sleep for 1 second, but that's not a desirable workaround. > This issue aims to implement a proper fix. -- This message was sent by Atlassian JIRA (v6.3.4#6332)