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Mon, 06 May 2024 10:28:06 +0200 Message-ID: Date: Mon, 6 May 2024 10:28:05 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Second GCC 14.1 Release Candidate available from gcc.gnu.org To: gcc@gcc.gnu.org References: Content-Language: en-US From: Frank Scheiner In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:Hi0BE+AjxUa0dn/YCOlhslvVFeEqLoIUOXdWB4RNH6jpuR34cDI r1IneL7Zgg56FKXa1+rjy2utgdnksly0W3e2hvlRZsmGCG/4SPxE3Z3paT0bHhTMUpNdz4M whprvF5YdMnUoHK/YgkxPZRX8zHmFn4ms7eNTOsA9pT/l2R0wsFyGes5EF7wSkrt6XP+rUH pT5DhAZ7cXGZ1kRqatycg== UI-OutboundReport: notjunk:1;M01:P0:q2fkAq+zra0=;+dlR1rXnoZs4iPsA6TQw2Qo1hqf +8I8g52/zGqD8mrD2VTr2wZNdXsSMQ0WrOEsBnTIaDgYliNK6FnCqqvXCGyJOkrePSCLE4rEo jEl8sQ6AI2gmd18ord77+GLjgi9IWK5usXtWBe/RF4tTy6HyxY4JvCtAgJ21dsA97P5wSo61F dnAQHt4ucS5akNj01hMbO6ltPc2eVN7U/27GW1EAne2rZ3HjrPpyFUDiXxPfe09cNoD9EC/jT HBGMAP1PTlxc2WoyoI+VN0wWaSZ6pBE1AvKOU3WuxQ3Ovayz8OzSfY2eLIIPjCkABLseyWr9M 2cXgxH6BXJH2IvvOysgAH1lKYqqnRufyEfwkNamKQhumWBKqWLEQ18lED7jZ54GCdq5by6Rea EwrONB/Y+tz5jni9qmY9r/s0QLJcSsTwFHq0jZjSArq8iqZUFNy/PHMwJyY3yh1O191JD6IKS O0OO9V0beSoC4mseXFPGaDWjynesL91RAPWi5jhwqmkqYa53ycg357dTasgX7XqiwKR1/0K1l i0t9Ko72bkHGAQlgQ4ZYKiQ0l7f067111rcPYyIQ6Q5wAbn4sKR6S+gFQMfTIdE6d9DC3jmo/ Pbu6HvAI8avTpzlFvbaFK1oRRNowC/cci3+Wp+cPPLfAsm8EdWyc0VjN6p/7q1LOP2qPGeOTk k/uBbYUmjBaiAkj6nJ4v2Yx0kVXxPS71Lr57AHX4d33T9S57l+GD2H5uezzP6CIsm9apJH0ih bIFcERcxfNxxoJc2og4PdDMasIjCzoeUELFKqzD13Y+pssBzY61+t4DZBRlwIVm4YjKfY7Vi9 KXxCeEa/PTUdJnCtW10JLATZGTrdkqKG0xHiQIOPTFPGM= X-Spam-Status: No, score=-0.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,KAM_SHORT,RCVD_IN_BARRACUDACENTRAL,RCVD_IN_DNSWL_LOW,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS,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 List-Id: Bootstrapping the following configuration (with LRA enabled) looks good for ia64, too: ``` CFLAGS=3D"-O2 -fPIC" \ CXXFLAGS=3D"-O2 -fPIC" \ ../configure --prefix=3D/usr \ =2D-enable-obsolete \ =2D-libdir=3D/usr/lib \ =2D-mandir=3D/usr/man \ =2D-infodir=3D/usr/info \ =2D-enable-shared \ =2D-enable-bootstrap \ =2D-enable-languages=3Dc,c++,fortran \ =2D-enable-threads=3Dposix \ =2D-enable-checking=3Drelease \ =2D-with-system-zlib \ =2D-enable-libstdcxx-dual-abi \ =2D-with-default-libstdcxx-abi=3Dnew \ =2D-disable-libstdcxx-pch \ =2D-disable-libunwind-exceptions \ =2D-enable-__cxa_atexit \ =2D-disable-libssp \ =2D-enable-gnu-unique-object \ =2D-enable-plugin \ =2D-disable-lto \ =2D-disable-install-libiberty \ =2D-disable-werror \ =2D-with-gnu-ld \ =2D-with-isl \ =2D-verbose \ =2D-with-arch-directory=3Dia64 \ =2D-disable-gtktest \ =2D-enable-clocale=3Dgnu \ =2D-disable-multilib \ =2D-target=3Dia64-t2-linux-gnu \ =2D-build=3Dia64-t2-linux-gnu \ =2D-host=3Dia64-t2-linux-gnu ``` The addition of fortran to the enabled languages adds about 20 mins to the bootstrap timings mentioned on [1] for the same machine (and just c and c++): ``` time make -j9 bootstrap-lean [...] real 295m51.942s user 2072m18.957s sys 29m0.798s ``` [1]: https://gcc.gnu.org/pipermail/gcc/2024-May/243870.html Running the testsuites for gcc and g++ (this time with `-j4` for each, dropping the time needed for each down to about 114 mins from 4.5 to 5 hours when each testsuite only uses one hardware thread) shows some differences in test results compared to the results with RC1: ``` =3D=3D=3D gcc Summary =3D=3D=3D gcc-14 RC2 RC1 # of expected passes 133497 134528 # of unexpected failures 916 909 # of unexpected successes 18 18 # of expected failures 1354 1365 # of unresolved testcases 20 20 # of unsupported tests 3033 3033 =3D=3D=3D g++ Summary =3D=3D=3D gcc-14 RC2 RC1 # of expected passes 246657 247363 # of unexpected failures 213 200 # of expected failures 2593 2595 # of unresolved testcases 5 5 # of unsupported tests 11497 11496 ``` For RC2 the results are aggregated from the four separate results for each testsuite. As the failures do not increase by the same amount as the number of expect passes decreased, I assume this is "only" an effect of using multiple make jobs. This is "similar" for libgomp (duration around 60 mins, with `j4`, around 51 mins w/o `-j`), though the number of expected passes more than doubles for the parallel case compared to the serial case, so maybe aggregating the results for this testsuite is not correct. I don't have enough comparison data yet for the other testsuites I ran: * gfortran (duration around 100 mins, with `j4`) * libatomic (duration 12 seconds, w/o `-j` ;-) ) * libstdc++ (duration around 5 hours, with `-j4`) ...to be able to tell, if the results are any worse or better. But I at least figured out that adding `-j4` for the libstdc++ testsuite makes it complete in just a little longer than 5 hours instead of no completion in more than 10 hours on the same hardware mentioned in [1]. This also means that the "whole" testsuite for the configuration above might be able to complete in around 6 hours if gcc, g++ and gfortran are done in parallel to libstdc++ and libgomp (after libstdc++ has finished) - IINM. Cheers, Frank On 03.05.24 22:57, Jakub Jelinek via Gcc wrote: > The second release candidate for GCC 14.1 is available from > > https://gcc.gnu.org/pub/gcc/snapshots/14.1.0-RC-20240503/ > ftp://gcc.gnu.org/pub/gcc/snapshots/14.1.0-RC-20240503/ > > and shortly its mirrors. It has been generated from git commit > r14-10165-g3b4d6b6ecd79df790. > > The https://gcc.gnu.org/PR114935 bug has been reported and determined > a release blocker, so we'd like to get extra testing on it prior to > the release. > > I have so far bootstrapped and tested the release candidate on > x86_64-linux. Please test it and report any issues to bugzilla. > > If all goes well, we'd still like to release 14.1 on Tuesday, May 7th. >