From: HUANG, J. <hu...@ms...> - 2009-05-19 11:17:06
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Hi Mark, I've tried your method, it works great! Thanks. The only problem I found now is that if the program is interrupted when it's in the foreign code, sometimes it may crash SBCL (1.0.28.47 Linux 64bit). I'm currently wrapping all the foreign funcalls to MKL functions with sb-sys:without-interrupts. So far so good. I'll run some test during the night. Thanks, Jianshi On Fri, 15 May 2009 10:30:21 +1000 Mark Cox <mar...@gm...> wrote: > Hi, > > I use MKL (and IPP) in my work as well and have experienced the same > sort of thing as you. At first I just switched to the sequential > (unthreaded) version of MKL due to time constraints and the problem > went away. Recently I gave it another go and got it to work. > > I created another dynamic library which links to the intel MKL library > using the following: > 64bit version > gcc -shared -fPIC $(CFLAGS) -o mylib.so $(SOURCES) \ > $(MKL_INCLUDES) \ > -L$(MKL_ROOT_LIBS)/em64t \ > -lmkl_gf_lp64 -lmkl_gnu_thread -lmkl_core -lm -lgomp -lgfortran - > lpthread > > 32bit version > gcc -m32 -shared -fPIC $(CFLAGS) -o mylib.so $(SOURCES) \ > $(MKL_INCLUDES) \ > -L$(MKL_ROOT_LIBS)/32 \ > -lmkl_gf -lmkl_gnu_thread -lmkl_core -lm -lgomp - > lgfortran -lpthread > > and then loaded that shared library via cffi. > > My system uses sbcl 1.0.25 pulled from the sbcl website and fedora 9. > > Mark > > On 14/05/2009, at 7:18 PM, HUANG, Jianshi wrote: > > > Hello, > > > > Is there anyone succeeded in using the multithreaded version of Intel > > MKL in SBCL? It crashed my lisp (segfault). I'm using SBCL 1.0.28.22 > > x86_64 on Linux. > > > > I tried to debug using gdb but was unable to finish the program since > > too many SIGSEGVs were signaled and didn't seems to stop. So I have no > > idea why it crashed yet. > > > > The source code for testing is attached with the email, but you need > > to > > install Intel MKL first (and run the mklvarsem64t.sh script to > > establish the environment). > > > > The multithreaded version of Intel MKL depends on Linux's pthread for > > their openmp implementation. And I'm currently loading the > > libmkl_gnu_thread.so for the threading layer, as according to the > > documents this is the one that supports gnu compilers. > > > > It will be very helpful if someone can give me some advice. > > > > > > > > Cheers, > > Jianshi > > > > > > > > -- > > --------------------- > > <scratch- > > sbcl > > .lisp > > > > > ------------------------------------------------------------------------------ > > The NEW KODAK i700 Series Scanners deliver under ANY circumstances! > > Your > > production scanning environment may not be a perfect world - but > > thanks to > > Kodak, there's a perfect scanner to get the job done! With the NEW > > KODAK i700 > > Series Scanner you'll get full speed at 300 dpi even with all image > > processing features enabled. http://p.sf.net/sfu/kodak-com_______________________________________________ > > Sbcl-devel mailing list > > Sbc...@li... > > https://lists.sourceforge.net/lists/listinfo/sbcl-devel > > -- --------------------- |