On Sat, Apr 28, 2018 at 5:58 AM, Adrian Bunk <b...@debian.org> wrote:
> On Fri, Apr 27, 2018 at 09:48:17AM +0800, Drew Parsons wrote: > > Source: petsc > > Version: 3.9.0+dfsg1-1exp4 > > Severity: normal > > > > PETSc 3.9 Fails To Build From Source on mips. PETSC 3.8 continues to > build fine. > > > > Build logs are at > > https://buildd.debian.org/status/logs.php?pkg=petsc&arch=mips > > e.g. > > https://buildd.debian.org/status/fetch.php?pkg=petsc&; > arch=mips&ver=3.9.0%2Bdfsg1-1exp4&stamp=1524789882&raw=0 > > > > The build log reports > > -==== > > ... > > CXX mips-linux-gnu-real-debug/obj/tao/linesearch/interface/ > dlregis_taolinesearch.o > > CXX mips-linux-gnu-real-debug/obj/tao/linesearch/impls/ > gpcglinesearch/gpcglinesearch.o > > CXX mips-linux-gnu-real-debug/obj/tao/linesearch/interface/ftn- > auto/taolinesearchf.o > > CXX mips-linux-gnu-real-debug/obj/tao/linesearch/interface/ftn- > custom/ztaolinesearchf.o > > CXX mips-linux-gnu-real-debug/obj/tao/linesearch/interface/ > taolinesearch.o > > CXX mips-linux-gnu-real-debug/obj/tao/leastsquares/impls/ > pounders/gqt.o > > CXX mips-linux-gnu-real-debug/obj/tao/leastsquares/impls/ > pounders/pounders.o > > FC mips-linux-gnu-real-debug/obj/mat/f90-mod/petscmatmod.o > > FC mips-linux-gnu-real-debug/obj/dm/f90-mod/petscdmmod.o > > > > f951: out of memory allocating 2097152 bytes after a total of 1844178944 > bytes > > make[4]: *** [gmakefile:164: > > mips-linux-gnu-real-debug/obj/dm/f90-mod/petscdmmod.o] > Error 1 > > -==== > > > > Looks like the fortran module for petscdm has gotten bigger than it > > used to be. > > > > Nevertheless, on amd64 the 3.9 library is 15539008 bytes, while 3.8 was > 14727872, > > not much smaller. The amd64 3.9 debug library is 86882368 bytes where > 3.8 > > was 84142848. > > > > On mips the 3.8 debug library is 68622188 bytes, smaller than amd64. > > Is this out-of-memory error a problem with the mips buildds? Are there > > buildd memory constraints we're hitting against? Or is there a problem > with > > fortran95 on mips? > >... > > mips and mipsel are the only architectures where we have only 2 GB > address space for userspace, so when the compiler needs more than > 2 GB of memory you are getting this error. > > On other 32bit buildds you have 3 GB or even 4 GB address space, > mips/mipsel is the canary for huge memory usage. > > gcc sometimes has huge memory usage compiling C++ hitting this 2 GB > limit, it is possible that there are also problems with Fortran code. > > It is very annoying that the buildd log hides the compiler flags, > if you fix that I'll take a look regarding a workaround. > make V=1 Matt > cu > Adrian > > -- > > "Is there not promise of rain?" Ling Tan asked suddenly out > of the darkness. There had been need of rain for many days. > "Only a promise," Lao Er said. > Pearl S. Buck - Dragon Seed > > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener https://www.cse.buffalo.edu/~knepley/ <http://www.caam.rice.edu/~mk51/>
