On Thu, Aug 02, 2007 at 12:46:16AM +0200, Cezary Sliwa wrote: > > Hello, > > I tried to build Lapack 3.1.1 using cygwin. Compilation works fine, but > testing reports failures. The g77 flags were -O3 -funroll-all-loops. > > For gcc 3.3.3 failures are reported by CEV, CVX, CGV, DGV, SGV, ZGV. > > For gcc 3.4.4 failures are reported by CGV, DGV, SGV, ZGV.
The failures with gcc 3.4.4 may be due to the extra precision of x87. > > > As far as the prebuilt binary (lapack 3.0-5)is concerned, I tried to run the > Lapack-3.0 tester against it. The result is: > > $ make blas_testing > ( cd BLAS/TESTING; make -f Makeblat1 ) > make[1]: Entering directory /home/Weronika/LAPACK/BLAS/TESTING' > make[1]: Nothing to be done for all'. > make[1]: Leaving directory /home/Weronika/LAPACK/BLAS/TESTING' > ( cd BLAS; ./xblat1s > sblat1.out; \ > ./xblat1d > dblat1.out; \ > ./xblat1c > cblat1.out; \ > ./xblat1z > zblat1.out ) > 3656 [main] xblat1c 2808 _cygtls::handle_exceptions: Error while dumping > state (probably corrupted stack) > /bin/sh: line 3: 2808 Segmentation fault (core dumped) ./xblat1c > > cblat1.out > 7 [main] xblat1z 3096 _cygtls::handle_exceptions: Error while dumping > state (probably corrupted stack) > /bin/sh: line 3: 3096 Segmentation fault (core dumped) ./xblat1z > > zblat1.out > make: *** [blas_testing] Error 139 > > > When lapack test is run, I get > > 8 [main] xeigtstc 3376 _cygtls::handle_exceptions: Error while dumping > state (probably corrupted stack) > 6 [main] xeigtstz 964 _cygtls::handle_exceptions: Error while dumping > state (probably corrupted stack) > The segfaults are probably due to the -fno-f2c flag used to compile lapack. Please do not use this flag and update the lapack package to 3.1.1. Best regards, Cezary Sliwa > > Failures are reported by DGV, ZGV. > > > Best regards, > Cezary Sliwa > -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
