2014-08-25 11:25 GMT-04:00 Óscar Fuentes <[email protected]>: > > On a CPU-intensive application, the 64 bit exe runs 40% slower than > its 32 bit counterpart. It's a C++ app with a workload typical of a > compiler. > > Are there known slow spots on the 64 bit runtimes?
You mean, other than the fact that all your pointers (you say compiler, so you probably use a lot of them in your data structures) are twice as large and effectively reduce the effective size of your processor’s data cache? ------------------------------------------------------------------------------ Slashdot TV. Video for Nerds. Stuff that matters. http://tv.slashdot.org/ _______________________________________________ Mingw-w64-public mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
