Pedro Alves a écrit : > pgeorges wrote: >> Hi, >> >> I ported some chess engines to Pocket PC with cegecc and noticed the >> number of calculated positions per second is about 30% lower with my >> ports than the equivalent made by other people who used Microsoft >> compilers. >> Years ago I made some comparisons between gcc and icc under Linux and >> noticed that icc generated a code 10 to 15% faster than gcc (I don't >> know if the gap widened or not those last times). >> >> So, did some people made such benchmarks between cegcc and evc4 or >> visual studio 2005 for CPU intensive programs ? > > You could try playing with a few switches, eg: -mcpu/-mtune/-march. > > http://gcc.gnu.org/onlinedocs/gcc-4.1.0/gcc/ARM-Options.html > > Cheers, > Pedro Alves Hi,
Playing with -mcpu/-mtune/-march did not really help me but working on code showed to me that what cegcc generates seems in fact as performant as Microsoft compilers. Pascal ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Cegcc-devel mailing list Cegcc-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/cegcc-devel
