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[23.233.12.249]) by smtp.gmail.com with ESMTPSA id l26-20020ac84cda000000b004299f09e3aesm894010qtv.51.2024.02.06.05.43.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 06 Feb 2024 05:43:18 -0800 (PST) Message-ID: <95bc0dbc-01ab-d53f-7302-a91149a8e613@redhat.com> Date: Tue, 6 Feb 2024 08:43:17 -0500 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.1 Subject: Re: [PATCH 0/4] Add DF_LIVE_SUBREG data and apply to IRA and LRA To: Jeff Law , Lehua Ding , gcc-patches@gcc.gnu.org Cc: richard.sandiford@arm.com, juzhe.zhong@rivai.ai References: <20240203105012.208998-1-lehua.ding@rivai.ai> <06EF0816D222F2E3+13e7cace-9231-4a64-b257-aba2ac4f320e@rivai.ai> <03bdc3b2-c164-4e24-b918-8e91d5ffb58c@gmail.com> From: Vladimir Makarov In-Reply-To: <03bdc3b2-c164-4e24-b918-8e91d5ffb58c@gmail.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-7.2 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL,RCVD_IN_SORBS_WEB,SPF_HELO_NONE,SPF_NONE,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 2/5/24 11:10, Jeff Law wrote: > > > On 2/5/24 00:01, Lehua Ding wrote: >>> For SPEC INT 2017, when using upstream GCC (whitout these patches), >>> I get a >>> coredump when training the peak case, so no data yet. The cause of >>> the core >>> dump still needs to be investigated. >> >> Typo, SPEC INT 2017 -> SPEC FP 2017 >> Also There is a bad news, the score of specint 2017 (with these >> patches) is dropped, a bit strange and I need to be locating the cause. > Just a note.  I doubt this will get much traction from a review > standpoint until gcc-14 is basically out the door. > > My recommendation is to continue development, bugfixing, cleanup, etc > between now and then.  Consider creating a branch for the work in the > upstream repo. > > Thank you for posting this work.  The compilation time improvement is a surprise for me and very encouraging. I agree with Jeff's recommendation to create a branch as most probably some people (at least me :) would like to try this on own set of benchmarks. I am planning to make a review of RA part of these patches at the beginning of April.  Still when I have spare time I'll look at the patches and could give some feedback even earlier.