HI Paul, https://github.com/open-mpi/ompi/issues/2677
It seems we have a bunch of problems with PPC64 atomics and I'd like to see if we can get at least some of these issues resolved for 2.0.2, so I've set this as a blocker along with 2610. Howard 2017-01-06 9:48 GMT-07:00 Howard Pritchard <hpprit...@gmail.com>: > Hi Paul, > > Sorry for the confusion. This is a different problem. > I'll open an issue for this one too. > > Howard > > > > 2017-01-06 9:18 GMT-07:00 Howard Pritchard <hpprit...@gmail.com>: > >> Hi Paul, >> >> Thanks for checking this. >> >> This problem was previously reporting and there's an issue: >> >> https://github.com/open-mpi/ompi/issues/2610 >> >> tracking it. >> >> Howard >> >> >> 2017-01-05 21:19 GMT-07:00 Paul Hargrove <phhargr...@lbl.gov>: >> >>> I have a standard Linux/ppc64 system with gcc-4.8.3 >>> I have configured the 2.0.2rc3 tarball with >>> >>> --prefix=... --enable-builtin-atomics \ >>> CFLAGS=-m32 --with-wrapper-cflags=-m32 \ >>> CXXFLAGS=-m32 --with-wrapper-cxxflags=-m32 \ >>> FCFLAGS=-m32 --with-wrapper-fcflags=-m32 --disable-mpi-fortran >>> >>> (Yes, I know the FCFLAGS are unnecessary). >>> >>> I get a "make check" failure: >>> >>> make[3]: Entering directory `/home/phargrov/OMPI/openmpi-2 >>> .0.2rc3-linux-ppc32-gcc/BLD/test/asm' >>> CC atomic_barrier.o >>> CCLD atomic_barrier >>> CC atomic_barrier_noinline-atomic_barrier_noinline.o >>> CCLD atomic_barrier_noinline >>> CC atomic_spinlock.o >>> CCLD atomic_spinlock >>> CC atomic_spinlock_noinline-atomic_spinlock_noinline.o >>> CCLD atomic_spinlock_noinline >>> CC atomic_math.o >>> CCLD atomic_math >>> atomic_math.o: In function `atomic_math_test': >>> atomic_math.c:(.text+0x78): undefined reference to >>> `__sync_add_and_fetch_8' >>> collect2: error: ld returned 1 exit status >>> make[3]: *** [atomic_math] Error 1 >>> >>> >>> It looks like there is an (incorrect) assumption that 8-byte atomics are >>> available. >>> Removing --enable-builtin-atomics resolves this issue. >>> >>> -Paul >>> >>> -- >>> Paul H. Hargrove phhargr...@lbl.gov >>> Computer Languages & Systems Software (CLaSS) Group >>> Computer Science Department Tel: +1-510-495-2352 >>> <(510)%20495-2352> >>> Lawrence Berkeley National Laboratory Fax: +1-510-486-6900 >>> <(510)%20486-6900> >>> >>> _______________________________________________ >>> devel mailing list >>> devel@lists.open-mpi.org >>> https://rfd.newmexicoconsortium.org/mailman/listinfo/devel >>> >> >> >
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