x86-64 on i386 (was Re: Promoting i386 version over x86_64?)

Nicolas Mailhot nicolas.mailhot at laposte.net
Mon Dec 14 09:27:33 UTC 2009

Le Dim 13 décembre 2009 22:35, Chris Adams a écrit :

> As for the RAM overhead of 64 bit code vs. 32 bit code, I don't see it
> much in the real world.

The worst case I've seen reported is when the RAM overhead managed to
annihilate register improvements (worst case in a very specific load). So "RAM
overhead" is pretty much a urban myth on x86_64

Nicolas Mailhot

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