From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out2.suse.de (smtp-out2.suse.de [IPv6:2001:67c:2178:6::1d]) by sourceware.org (Postfix) with ESMTPS id 949DE3858C2C for ; Wed, 14 Sep 2022 09:56:15 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 949DE3858C2C Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=suse.de Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id B61FD5CD45; Wed, 14 Sep 2022 09:56:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1663149374; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=IYu847hY4ihbIfhRTXn5aaQQOQMYRJobUYXnHxHZwYY=; b=CVwBGO7mMGy0gQ6GPP6oLoX26SI+kUN5E5W17+8iEY/tUk/Vmr9uA8gJZAC2wl6TPcMWNP 2i3Nah+PsloAsDsJF3p7LzvV5AtqfXA3vOp5wVGvzZSC1w6LfRO6sU3g7gkqPIVnNGrsvX Vkja04raTEnbwFTnj762c3F8gBXc5Nk= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1663149374; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=IYu847hY4ihbIfhRTXn5aaQQOQMYRJobUYXnHxHZwYY=; b=DA+Vj7BkFO1Uf1XYoFAGZWBO4BECitCne0y1KD8WFM308+LOa6eMbJIoZz6QYVq1D5yABl HS0yJp0Ut1NYObBw== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 9DAD7134B3; Wed, 14 Sep 2022 09:56:14 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 5K9JJT6lIWMiOgAAMHmgww (envelope-from ); Wed, 14 Sep 2022 09:56:14 +0000 Message-ID: <72f7d022-033c-db4d-05f7-d9c85acacb97@suse.de> Date: Wed, 14 Sep 2022 11:56:14 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.12.0 Subject: Re: [committed][nvptx] Add uniform_warp_check insn Content-Language: en-US To: Thomas Schwinge Cc: gcc-patches@gcc.gnu.org References: <20220201183125.GA4286@delia.home> <87fsgumgxh.fsf@euler.schwinge.homeip.net> From: Tom de Vries In-Reply-To: <87fsgumgxh.fsf@euler.schwinge.homeip.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 9/14/22 11:41, Thomas Schwinge wrote: > Hi Tom! > > On 2022-02-01T19:31:27+0100, Tom de Vries via Gcc-patches wrote: >> Hi, >> >> On a GT 1030, with driver version 470.94 and -mptx=3.1 I run into: >> ... >> FAIL: libgomp.oacc-c/../libgomp.oacc-c-c++-common/parallel-dims.c \ >> -DACC_DEVICE_TYPE_nvidia=1 -DACC_MEM_SHARED=0 -foffload=nvptx-none \ >> -O2 execution test >> ... > > This relates to PR99932 "OpenACC/nvptx offloading execution regressions > starting with CUDA 11.2-era Nvidia Driver 460.27.04". You've fixed that > for GCC 12+, but testing nvptx offloading for GCC 11, GCC 10 branches on > a system with current Nvidia Driver, we're still running into the several > FAILs and annoying 'WARNING: program timed out' reported in PR99932. > > GCC 11, GCC 10 only build '.version 3.1' target libraries, and with > "[nvptx] Add bar.warp.sync" in place (which this patch here thus only > textually depends on), we've got good test results again. > > OK to push to GCC 11, GCC 10 branches the attached > "[nvptx] Add uniform_warp_check insn"? > > LGTM. Thanks, - Tom