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Tue, 12 Sep 2023 00:18:13 +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+UW22.04) with ESMTP id 38C0HwRH006785 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 11 Sep 2023 17:17:58 -0700 X-Auth-Received: from localhost.localdomain ([10.154.74.234]) (authenticated authid=kmatsui) by smtp.washington.edu (8.16.1+UW21.10/8.14.4+UW19.10) with ESMTPSA id 38C0HwGe005562 (version=TLSv1.2 cipher=DHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Mon, 11 Sep 2023 17:17:58 -0700 X-UW-Orig-Sender: kmatsui@smtp.washington.edu To: gcc-patches@gcc.gnu.org Cc: libstdc++@gcc.gnu.org, Ken Matsui <kmatsui@gcc.gnu.org> Subject: [PATCH 0/2] Optimize is_scoped_enum trait performance Date: Mon, 11 Sep 2023 17:16:04 -0700 Message-ID: <20230912001756.87388-1-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.42.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: x0G2AewV2Z90wR9iYySJgkYhG8hVFNYl X-Proofpoint-ORIG-GUID: x0G2AewV2Z90wR9iYySJgkYhG8hVFNYl X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-11_19,2023-09-05_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxscore=0 lowpriorityscore=0 malwarescore=0 bulkscore=0 mlxlogscore=411 spamscore=0 clxscore=1034 phishscore=0 suspectscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309120000 X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, JMQ_SPF_NEUTRAL, KAM_DMARC_STATUS, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_NEUTRAL, TXREP autolearn=no 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 <gcc-patches.gcc.gnu.org> List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-patches>, <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe> List-Archive: <https://gcc.gnu.org/pipermail/gcc-patches/> List-Post: <mailto:gcc-patches@gcc.gnu.org> List-Help: <mailto:gcc-patches-request@gcc.gnu.org?subject=help> List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-patches>, <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe> From: Ken Matsui via Gcc-patches <gcc-patches@gcc.gnu.org> Reply-To: Ken Matsui <kmatsui@gcc.gnu.org> Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" <gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org> X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1776788926029575348 X-GMAIL-MSGID: 1776788926029575348 |
Series |
Optimize is_scoped_enum trait performance
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Message
Ken Matsui
Sept. 12, 2023, 12:16 a.m. UTC
This patch series optimizes is_scoped_enum trait performance. The first patch implements __is_scoped_enum built-in trait. The second patch optimizes is_scoped_enum trait performance by using __is_scoped_enum built-in trait if available. The performance improvement is shown in the following benchmark: https://github.com/ken-matsui/gsoc23/blob/main/is_scoped_enum_v.md#mon-sep-11-050411-pm-pdt-2023 Time: -32.717% +/- 1.67315% Peak Memory Usage: -17.3805% +/- 0.00931763% Total Memory Usage: -19.0881% +/- 0% Ken Matsui (2): c++: Implement __is_scoped_enum built-in trait libstdc++: Optimize is_scoped_enum trait performance gcc/cp/constraint.cc | 3 + gcc/cp/cp-trait.def | 1 + gcc/cp/semantics.cc | 4 ++ gcc/testsuite/g++.dg/ext/has-builtin-1.C | 3 + gcc/testsuite/g++.dg/ext/is_scoped_enum.C | 67 +++++++++++++++++++++++ libstdc++-v3/include/std/type_traits | 12 ++++ 6 files changed, 90 insertions(+) create mode 100644 gcc/testsuite/g++.dg/ext/is_scoped_enum.C