diff options
Diffstat (limited to 'open_issues/boehm_gc.mdwn')
| -rw-r--r-- | open_issues/boehm_gc.mdwn | 114 |
1 files changed, 102 insertions, 12 deletions
diff --git a/open_issues/boehm_gc.mdwn b/open_issues/boehm_gc.mdwn index 31359da3..6ab39b2e 100644 --- a/open_issues/boehm_gc.mdwn +++ b/open_issues/boehm_gc.mdwn @@ -15,18 +15,26 @@ This one does need Hurd-specific configuration. It is, for example, used by [[/GCC]] (which has its own fork), so any changes committed upstream should very like also be made there. +[[!toc levels=2]] + # [[General information|/boehm_gc]] -# [[Sources|source_repositories/boehm_gc]] +# Configuration +<!-- -# Configuration +git checkout reviewed +git log --reverse --pretty=fuller --stat=$COLUMNS,$COLUMNS -w -p -C --cc ..upstream/master +-i +/^commit |^---$|hurd|linux|glibc -[[tschwinge]] reviewed its GNU/Hurd port's configuration on 2010-12-08, based -on CVS HEAD sources from 2010-12-02, converted to [[Git, correspondingly -1c2455988a8f59a5f83b986b9156f03be395b3b6|source_repositories/boehm_gc]]. +--> + +Last reviewed up to the 5f492b98dd131bdd6c67eb56c31024420c1e7dab (2012-06-08) +sources, and for `libatomic_ops` to the +6a0afde033f105c6320f1409162e3765a1395bfd (2012-05-15) sources. * `configure.ac` @@ -253,19 +261,98 @@ on CVS HEAD sources from 2010-12-02, converted to [[Git, correspondingly Nothing. + * b8b65e8a5c2c4896728cd00d008168a6293f55b1 configure.ac probably not all + correct. + + * `mmap`, b64dd3bc1e5a23e677c96b478d55648a0730ab75 + + * `parallel mark`, 07c2b8e455c9e70d1f173475bbf1196320812154, pass + `--disable-parallel-mark` or enable for us, too? + + * `HANDLE_FORK`, e9b11b6655c45ad3ab3326707aa31567a767134b, + 806d656802a1e3c2b55cd9e4530c6420340886c9, + 1e882b98c2cf9479a9cd08a67439dab7f9622924 + + * Check `include/private/thread_local_alloc.h` re + `USE_COMPILER_TLS`/`USE_PTHREAD_SPECIFIC`. + + +# Build + +Here's a log of a binutils build run; this is from the +5f492b98dd131bdd6c67eb56c31024420c1e7dab (2012-06-08) sources, and for +`libatomic_ops` for the 6a0afde033f105c6320f1409162e3765a1395bfd (2012-05-15) +sources, run on kepler.SCHWINGE and coulomb.SCHWINGE. + + $ export LC_ALL=C + $ (cd ../master/ && ln -sfn ../libatomic_ops/master libatomic_ops) + $ (cd ../master/ && autoreconf -vfi) + $ ../master/configure --prefix="$PWD".install SHELL=/bin/bash CC=gcc-4.6 CXX=g++-4.6 --enable-cplusplus --enable-gc-debug --enable-gc-assertions --enable-assertions 2>&1 | tee log_build + [...] + $ make 2>&1 | tee log_build_ + [...] + +Different hosts may default to different shells and compiler versions; thus +harmonized. Using bash instead of dash as otherwise libtool explodes. + +This takes up around X MiB, and needs roughly X min on kepler.SCHWINGE and +X min on coulomb.SCHWINGE. + +<!-- + + $ (make && touch .go-install) 2>&1 | tee log_build_ && test -f .go-install && (make install && touch .go-check) 2>&1 | tee log_install && test -f .go-check && { make -k check 2>&1 | tee log_check; (cd libatomic_ops/ && make -k check) 2>&1 | tee log_check_; } + +--> + +## Analysis + + $ ssh kepler.SCHWINGE 'cd tmp/source/boehm-gc/ && cat master.build/log_build* | sed -e "s%\(/media/data\)\?${PWD}%[...]%g"' > toolchain/logs/boehm-gc/linux/log_build + $ ssh coulomb.SCHWINGE 'cd tmp/boehm-gc/ && cat master.build/log_build* | sed -e "s%\(/media/erich\)\?${PWD}%[...]%g"' > toolchain/logs/boehm-gc/hurd/log_build + $ diff -wu <(sed -f toolchain/logs/boehm-gc/linux/log_build.sed < toolchain/logs/boehm-gc/linux/log_build) <(sed -f toolchain/logs/boehm-gc/hurd/log_build.sed < toolchain/logs/boehm-gc/hurd/log_build) > toolchain/logs/boehm-gc/log_build.diff + + * only GNU/Linux: `configure: WARNING: "Explicit GC_INIT() calls may be + required."` + + * only GNU/Linux: `configure: WARNING: "Client must not use + -fomit-frame-pointer."` + + +# Install + + $ make install 2>&1 | tee log_install + [...] + +This takes up around X MiB, and needs roughly X min on kepler.SCHWINGE and X +min on coulomb.SCHWINGE. + + +## Analysis + + $ ssh kepler.SCHWINGE 'cd tmp/source/boehm-gc/ && cat master.build/log_install | sed -e "s%\(/media/data\)\?${PWD}%[...]%g"' > toolchain/logs/boehm-gc/linux/log_install + $ ssh coulomb.SCHWINGE 'cd tmp/boehm-gc/ && cat master.build/log_install | sed -e "s%\(/media/erich\)\?${PWD}%[...]%g"' > toolchain/logs/boehm-gc/hurd/log_install + $ diff -wu toolchain/logs/boehm-gc/linux/log_install toolchain/logs/boehm-gc/hurd/log_install > toolchain/logs/boehm-gc/log_install.diff + # Testsuite -There are different configurations possible, but in general, the testsuite -restults of GNU/Linux and GNU/Hurd look very similar. + $ make -k check + [...] + $ (cd libatomic_ops/ && make -k check) + [...] -It has last been run and compared on 2010-11-10, based on CVS HEAD sources from -2010-11-04, converted to [[Git, correspondingly -9abb37b2e581b415bb1f482085891a289c2c0be1|source_repositories/boehm_gc]]. +This needs roughly X min on kepler.SCHWINGE and X min on coulomb.SCHWINGE. -## `--enable-cplusplus --enable-gc-debug` - * GNU/Hurd is missing *Call chain at allocation: [...] output*. +## Analysis + + $ ssh kepler.SCHWINGE 'cd tmp/source/boehm-gc/ && cat master.build/log_check* | sed -e "s%\(/media/data\)\?${PWD}%[...]%g"' > toolchain/logs/boehm-gc/linux/log_check + $ ssh coulomb.SCHWINGE 'cd tmp/boehm-gc/ && cat master.build/log_check* | sed -e "s%\(/media/erich\)\?${PWD}%[...]%g"' > toolchain/logs/boehm-gc/hurd/log_check + $ diff -wu <(sed -f toolchain/logs/boehm-gc/linux/log_check.sed < toolchain/logs/boehm-gc/linux/log_check) <(sed -f toolchain/logs/boehm-gc/hurd/log_check.sed < toolchain/logs/boehm-gc/hurd/log_check) > toolchain/logs/boehm-gc/log_check.diff + +There are different configurations possible, but in general, the testsuite +restults of GNU/Linux and GNU/Hurd look very similar. + + * GNU/Hurd is missing `Call chain at allocation: [...]` output. `os_dep.c`:`GC_print_callers` @@ -277,6 +364,9 @@ It has last been run and compared on 2010-11-10, based on CVS HEAD sources from * What are other applications to test Boehm GC? Also especially in combination with [[/libpthread]] and dynamic loading of shared libraries? + * There are patches (apparently not committed) that GCC itself can use + it, too: <http://gcc.gnu.org/wiki/Garbage_collection_tuning>. + * There's been some talking about it on GNU guile mailing lists, and two Git branches (2010-12-15: last change 2009-09). |