Em 07-10-2015 18:30, Ken Moffat escreveu: > On Wed, Oct 07, 2015 at 03:35:02PM -0500, Bruce Dubbs wrote: >> Fernando de Oliveira wrote: >>> Decided to write this for a pair of reasons. > >>> • gcc-5.2.0 >>> build with tests reduced to little over 24 SBU, with -j4. >> >> I did it at -j1 for timing: >> >> [gcc-5.2.0] >> >> Build time is: 127 minutes and 16 seconds >> Build time in seconds is: 7636 >> Approximate SBU time is: 82.1 >> Disk usage before unpacking the package: 1572516 KB or 1535.660 MB >> Disk usage before deleting the source and build dirs: 4803796 KB or 4691.207 >> MB >> Required space to build the package: 3231280 KB or 3155.547 MB >> Installed files disk usage: 518816 KB or 506.656 MB >>
Thanks for your reply. > > Fernando, are you saying that you ran the *tests* with -j4 ? Yes. First, I checked this page: https://gcc.gnu.org/install/test.html > > Around the beginning of the 7.8 cycle I had a lot of problems with > gcc test failures and eventually retreated to using -j1 for the > tests. And it is the tests, at least with -j1, which take the time > (on a build without tests, I always get surprised by how quickly > chapter 6 completes). > > ĸen > Results seem good enough: LAST_UPDATED: Obtained from SVN: tags/gcc_5_2_0_release revision 225865 Native configuration is x86_64-unknown-linux-gnu === g++ tests === Running target unix XPASS: g++.dg/tls/thread_local-order2.C -std=c++11 execution test XPASS: g++.dg/tls/thread_local-order2.C -std=c++14 execution test grep -A7 Summ === g++ Summary === # of expected passes 93472 # of unexpected successes 2 # of expected failures 339 # of unsupported tests 3695 -- === gcc Summary === # of expected passes 114128 # of expected failures 262 # of unsupported tests 1800 === libatomic tests === -- === libatomic Summary === # of expected passes 54 === libgomp tests === Running target unix === libgomp Summary === # of expected passes 1617 # of unsupported tests 170 === libitm tests === Running target unix -- === libitm Summary === # of expected passes 26 # of expected failures 3 # of unsupported tests 1 === libstdc++ tests === -- === libstdc++ Summary === # of expected passes 10342 # of expected failures 65 # of unsupported tests 237 Compiler version: 5.2.0 (GCC) Platform: x86_64-unknown-linux-gnu configure flags: --prefix=/usr --enable-languages=c,c++ --disable-multilib --disable-bootstrap --with-system-zlib real 46m21.842s user 154m36.849s sys 25m48.997s 502M ../DEST-gcc-5.2.0 790M ../gcc-5.2.0 2.2G ../gcc-build 3.4G total -- []s, Fernando, aka Sísifo -- http://lists.linuxfromscratch.org/listinfo/lfs-dev FAQ: http://www.linuxfromscratch.org/faq/ Unsubscribe: See the above information page
