[Ffmpeg-devel] Re: [PATCH] Fix compilation when using --disable-opts
Sun Apr 1 15:04:38 CEST 2007
Kostya <kostya.shishkov at gmail.com> writes:
> On Sun, Apr 01, 2007 at 12:41:56PM +0100, M?ns Rullg?rd wrote:
>> I figured that's what you meant, although with a 64-bit address space
>> even truly globally unique addresses would be theoretically possible.
>> In practice there would of course be the problem of coordination.
>> Besides, no current CPUs have a full 64-bit address space.
> I remember from OS course that IBM had (has?) true 64-bit operating
> system where every resource (including files) has its own memory address
> so no memmapping needed too.
Those machines probably have something like a 48-bit virtual address
space. That gives you 256 terabytes, which is more than enough for
any one machine (except maybe a few really large ones). It's far from
enough for all data in the world, however.
mans at mansr.com
More information about the ffmpeg-devel