From patchwork Wed Feb 21 09:36:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ken Matsui X-Patchwork-Id: 204076 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:693c:2685:b0:108:e6aa:91d0 with SMTP id mn5csp930461dyc; Wed, 21 Feb 2024 01:41:19 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCXB8mpPw50XDPHXWZc+aMW9Cklq8BTqOgxEltFD7U8PKwTbNQH3dEWKtmxCcyMJ3BbSGU/Bebr+9YQPvv4fzI7lnsXLdA== X-Google-Smtp-Source: AGHT+IGqjNtWB6S53PG2SPZZKT/IedLCSn/nRnRahDSkzqVkzO1LomO32guJHs272QSoAZm4YtZT X-Received: by 2002:ac8:7d16:0:b0:42d:da0a:47c9 with SMTP id g22-20020ac87d16000000b0042dda0a47c9mr18384833qtb.9.1708508479369; Wed, 21 Feb 2024 01:41:19 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1708508479; cv=pass; d=google.com; s=arc-20160816; b=eiTUktuKATeGU+MO2FLXqcoAqWqvmReeV0lhqP1fo+VBjvThe3yGa46BGjLKS/uVQz WLaS0RaAVw7fhkXNciP+LcAmeyeNH298bvW1/Onwx52yiyIHrvl5SooqNOrN6pJ36lP2 mc4TNMUF8S0d+ETISv5gJ7HxLws2m8qE7eTh8P4z6zlWR82NOzJl2ZoCyZ9h7xiDdBm0 w5hgO5cWDdaVmXJ92WKn+sZ+PnNGnATwE8Wp68LYtoragwxr54DOYPywpyP4+9x6RGuk S91XicYndL/LjYUSPenFpWn7uYcLN6H91tyLWzBFJqeEVSN2w3zxVJRU1xat3AB/gwnt g/vA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:arc-filter:dmarc-filter:delivered-to:dkim-signature :dkim-filter; bh=er6jZZ5SFIqNgiOlZADLtwujTFdoRxcRJew4SiO3pXE=; fh=kSSy/oyUXqQD15FLeKdymIgDBFPFITPA1Gj52CNOxRQ=; b=Ti5LaJ7k9Lzd+I2MTYHn7020uk44VdgJBAxx5fJ/I8mDEn/uy35Y0GkCGvu6yWILnH 7z5o34Q9roE4IHO8zJoBXdxsfAllTruJ+RgAaB7Yl1Pmov2GUoiTpMbVrqCX5RekfRnV /DroV+Pf25prd2HpMzKkI2EWeuMQi6rawMr7RcivDneDokj+n7a01CgaaBZ4BowGoywb qGG4K3fwacvRravd4BtfkQqQTDWhlHGV3aN2taBzl8hlkP6WiiqvNerFGanQ6BEA/3hj MhmkDABzm40dc4tIdMzjGXYRddgIAOcS/m8HgOT+LTol4OGKMgRFaKGiJ2yXAg1Qm6Ih OKrQ==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=C06qNPuh; arc=pass (i=1); spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gnu.org Received: from server2.sourceware.org (server2.sourceware.org. [2620:52:3:1:0:246e:9693:128c]) by mx.google.com with ESMTPS id bb17-20020a05622a1b1100b0042e2b7f8c34si2989894qtb.456.2024.02.21.01.41.19 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Feb 2024 01:41:19 -0800 (PST) Received-SPF: pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) client-ip=2620:52:3:1:0:246e:9693:128c; Authentication-Results: mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=C06qNPuh; arc=pass (i=1); spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gnu.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 0CC66385842F for ; Wed, 21 Feb 2024 09:41:19 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0CC66385842F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1708508479; bh=er6jZZ5SFIqNgiOlZADLtwujTFdoRxcRJew4SiO3pXE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=C06qNPuhStTbGZOPAgYvjHz25SVVXPjnttkCHNaKodAFyLIkhYr5WnCWLfzNaxAqs U8ZmDX5yRyBTVOYSxeZizMT4XTuIFB687MnY+ggKCDTkPP9mDAaqvHHfqEfm8osPnj Qb00XTFjpyoQkRvTyjWCl8pLKjbDq4nsSlOba8g4= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mx0b-00641c01.pphosted.com (mx0b-00641c01.pphosted.com [205.220.177.146]) by sourceware.org (Postfix) with ESMTPS id 71C1A3858C50; Wed, 21 Feb 2024 09:36:33 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 71C1A3858C50 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=gcc.gnu.org Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=gcc.gnu.org ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 71C1A3858C50 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=205.220.177.146 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1708508196; cv=none; b=wkWvuOgXZO/ZdS9RuhDoTxzoOUAZGhRsUtpwqDlp51XBEJ6B8XNVTc/MBA6h2quFtSPwXgtnH+K9BxZl7fDTTmkRg8RSlNNwQn3wF5XdaQ00i9zAE+55seuG6xXLyZ6AxSnue+czP/++AlomoZCAuPJtK/JCKooiTMgU9WHjD3I= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1708508196; c=relaxed/simple; bh=noosxmzgtZJ9ettk3mZRSTRchM07Y+bDGUJwAhFMoiE=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=pEjEKzOdxkllhWLYqCPHghCQIT224vY66NxutQOpE3AIGfvJkrMjF570rh9JdbwkWsZVC6hodVS7CjJK0cV3fSpDHJaOkVPGluC21ZsxS5gXRCJ+yUzCmPz8itPpjpcZBfns2kCqNBHm/JRPa3Y6C8C4xRfuVOj+JSY3XxIrxOE= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from pps.filterd (m0247478.ppops.net [127.0.0.1]) by mx0a-00641c01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 41L9GfhY010156; Wed, 21 Feb 2024 09:36:33 GMT Received: from mxout22.s.uw.edu (mxout22.s.uw.edu [128.95.242.222]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3wd56h35sh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 21 Feb 2024 09:36:32 +0000 Received: from smtp.washington.edu (smtp.washington.edu [128.208.60.132]) by mxout22.s.uw.edu (8.14.4+UW20.07/8.14.4+UW24.02) with ESMTP id 41L9aKh3020957 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 21 Feb 2024 01:36:20 -0800 X-Auth-Received: from kmatsui-ThinkPad-X1-Carbon-Gen-9.dhcp4.washington.edu ([10.154.74.128]) (authenticated authid=kmatsui) by smtp.washington.edu (8.16.1+UW21.10/8.14.4+UW24.02) with ESMTPSA id 41L9aJVe002942 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 21 Feb 2024 01:36:20 -0800 X-UW-Orig-Sender: kmatsui@smtp.washington.edu From: Ken Matsui To: gcc-patches@gcc.gnu.org Cc: libstdc++@gcc.gnu.org, Ken Matsui Subject: [PATCH v13 14/26] libstdc++: Optimize std::remove_all_extents compilation performance Date: Wed, 21 Feb 2024 01:36:04 -0800 Message-ID: <20240221093616.4001742-14-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240221093616.4001742-1-kmatsui@gcc.gnu.org> References: <20240221085142.3779280-26-kmatsui@gcc.gnu.org> <20240221093616.4001742-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 X-Proofpoint-GUID: DoyoHd1cOSXXjhLLftipR47afhUte_MS X-Proofpoint-ORIG-GUID: DoyoHd1cOSXXjhLLftipR47afhUte_MS X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-20_06,2024-02-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 malwarescore=0 bulkscore=0 phishscore=0 mlxscore=0 adultscore=0 impostorscore=0 lowpriorityscore=0 clxscore=1034 mlxlogscore=802 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402210074 X-Spam-Status: No, score=-13.1 required=5.0 tests=BAYES_00, GIT_PATCH_0, JMQ_SPF_NEUTRAL, KAM_DMARC_STATUS, RCVD_IN_DNSWL_LOW, SPF_HELO_NONE, SPF_NEUTRAL, 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 X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1791500987091372203 X-GMAIL-MSGID: 1791500987091372203 This patch optimizes the compilation performance of std::remove_all_extents by dispatching to the new __remove_all_extents built-in trait. libstdc++-v3/ChangeLog: * include/std/type_traits (remove_all_extents): Use __remove_all_extents built-in trait. Signed-off-by: Ken Matsui --- libstdc++-v3/include/std/type_traits | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits index 73ddce351fd..34475e6279a 100644 --- a/libstdc++-v3/include/std/type_traits +++ b/libstdc++-v3/include/std/type_traits @@ -2111,6 +2111,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION #endif /// remove_all_extents +#if _GLIBCXX_USE_BUILTIN_TRAIT(__remove_all_extents) + template + struct remove_all_extents + { using type = __remove_all_extents(_Tp); }; +#else template struct remove_all_extents { using type = _Tp; }; @@ -2122,6 +2127,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION template struct remove_all_extents<_Tp[]> { using type = typename remove_all_extents<_Tp>::type; }; +#endif #if __cplusplus > 201103L /// Alias template for remove_extent