Re: [Flightgear-devel] Re: 64 bit compile speed

2004-06-16 Thread Andy Ross
Erik Hofman wrote: > No, 64-bit is by default a bit slower. It's on very special > occasions that 64-bit outperforms 32-bit (due to data transfer > rate...) That's true in the general case, because the larger pointer size effectively reduces the size of the L1 cache. But for this particular archi

Re: [Flightgear-devel] Re: 64 bit compile speed

2004-06-15 Thread Erik Hofman
Alex Perry wrote: Compiling FlightGear source (after make clean) on a M6805 laptop: For pure 32-bit it took 00:10:03 using Debian Sarge For pure 64-bit it took 00:10:10 using Debian Sid The use of two Debian versions probably led to the timing difference. No, 64-bit is by default a bit slower. It's

[Flightgear-devel] Re: 64 bit compile speed

2004-06-15 Thread Alex Perry
Compiling FlightGear source (after make clean) on a M6805 laptop: For pure 32-bit it took 00:10:03 using Debian Sarge For pure 64-bit it took 00:10:10 using Debian Sid The use of two Debian versions probably led to the timing difference. ___ Flightgear-d