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Wed, 17 Jan 2024 07:44:31 -0800 (PST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3774.300.61.1.2\)) Subject: Re: [PATCH v3 1/8] sched-deps.cc (find_modifiable_mems): Avoid exponential behavior From: Maxim Kuvyrkov In-Reply-To: <3E83999A-CF89-4C8E-B65E-CBE0BFB2A692@linaro.org> Date: Wed, 17 Jan 2024 19:44:19 +0400 Cc: Jeff Law , GCC Patches , Bernd Schmidt , Vladimir Makarov , Alexander Monakov Content-Transfer-Encoding: quoted-printable Message-Id: <0D6165CE-88FA-4BF1-8718-4D948575BA73@linaro.org> References: <20231120120649.672893-1-maxim.kuvyrkov@linaro.org> <20231122111415.815147-2-maxim.kuvyrkov@linaro.org> <3E83999A-CF89-4C8E-B65E-CBE0BFB2A692@linaro.org> To: Richard Guenther X-Mailer: Apple Mail (2.3774.300.61.1.2) X-Spam-Status: No, score=-2.3 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,KAM_SHORT,RCVD_IN_BARRACUDACENTRAL,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=no 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 Jan 17, 2024, at 19:05, Maxim Kuvyrkov = wrote: >=20 >> On Jan 17, 2024, at 19:02, Richard Biener = wrote: >>=20 >> On Wed, Jan 17, 2024 at 8:39=E2=80=AFAM Maxim Kuvyrkov >> wrote: >>>=20 >>>> On Jan 17, 2024, at 10:51, Richard Biener = wrote: >>>>=20 >>>> On Tue, Jan 16, 2024 at 3:52=E2=80=AFPM Jeff Law = wrote: >>>>>=20 >>>>>=20 >>>>>=20 >>>>> On 1/15/24 05:56, Maxim Kuvyrkov wrote: >>>>>> Hi Vladimir, >>>>>> Hi Jeff, >>>>>>=20 >>>>>> Richard and Alexander have reviewed this patch and [I assume] = have no >>>>>> further comments. OK to merge? >>>>> I think the question is whether or not we're too late. I know = that >>>>> Richard S has held off on his late-combine pass and I'm holding = off on >>>>> the ext-dce work due to the fact that we're well past stage1 = close. >>>>>=20 >>>>> I think the release managers ought to have the final say on this. >>>>=20 >>>> I'm fine with this now, it doesn't change code generation. >>>=20 >>> Thanks, Richard. >>>=20 >>> I'll merge the fix for PR96388 and PR111554 -- patch 1/8. I'll = commit cleanups and improvements to scheduler logging -- patches 2/8 - = 8/8 -- when stage1 opens. >>=20 >> This seems to have caused a compare-debug bootstrap issue on = x86_64-linux, >>=20 >> gcc/fortran/f95-lang.o differs >>=20 >> does n_mem_deps or n_inc_deps include debug insns? >=20 > Thanks, investigating. Hi Richard, Yes, both n_mem_deps or n_inc_deps include debug insns, I posted a patch = for this in = https://gcc.gnu.org/pipermail/gcc-patches/2024-January/643267.html . = Testing it now. If you prefer, I can revert the fix for PR96388 and PR111554. Kind regards, -- Maxim Kuvyrkov https://www.linaro.org