> Am 11.03.2010 22:14, schrieb Myles Watson: > > I was having trouble with stack corruption. Using memset (C) instead of > > clear_memory(asm) speeds it up by almost a factor of 2 for a 1M region. I should have said it got rid of the memory corruption I was seeing, too :)
> > TSC difference with clear_memory 0xFA884D > > TSC difference with memset 0x826742 > Interesting that the C version is faster in this case. Yeah. Maybe you could do a lot better with a different asm implementation. You'd hope that the compiler would have a pretty good routine for clearing memory, though. I didn't dig into it to see what the real difference was. > > SIgned-off-by: Myles Watson <[email protected] > <mailto:[email protected]>> > Acked-by: Patrick Georgi <[email protected]> Rev 5201. Thanks, Myles -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
