icc is a pretty garbage C++ compiler, unless you are doing exactly the type of linear algebra operations that they optimise to death (on Intel processors at least :) for benchmarketing.
On 23 November 2014 at 21:53, Thierry Dumont <tdum...@math.univ-lyon1.fr> wrote: > Le 23/11/2014 20:53, Jeroen Demeyer a écrit : > >> On 2014-11-23 19:05, Thierry Dumont wrote: >> >>> Vtune shows, for example, that a call to std::copy is >>> not as fast as a for loop, which is turned by the compiler in a memcopy >>> (probably std::copy is not!). >>> >> If that's the case, get a better C++ compiler. >> >> heum... it is icc :-) > A c++ compiler as some unpredicable aspects... > > > -- > You received this message because you are subscribed to the Google Groups > "sage-devel" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-devel+unsubscr...@googlegroups.com. > To post to this group, send email to sage-devel@googlegroups.com. > Visit this group at http://groups.google.com/group/sage-devel. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
