Hi John, >> When run directly, the output is >> >> 3fbc79ca10c9242235d511e976394d7a >> >> When run through valgrind, the output is: > >> 3fbc79ca10c9240e12445f2000000000 > > This has been entered as bug https://bugs.kde.org/show_bug.cgi?id=325328 . > The likely cause is __float128 operations being performed as "double > precision" > of two __float80 by the Intel math library for x86_64. Memcheck-3.8.1 > implements > __float80 operations as __float64 (ordinary IEEE-754 'double'.) >
Thanks for analyzing this! I assume this means that a fix will be rather complex? Peter. -- Peter van Hoof Royal Observatory of Belgium Ringlaan 3 1180 Brussel Belgium http://homepage.oma.be/pvh ------------------------------------------------------------------------------ October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register > http://pubads.g.doubleclick.net/gampad/clk?id=60133471&iu=/4140/ostg.clktrk _______________________________________________ Valgrind-users mailing list Valgrind-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/valgrind-users
