Hi,
Daniel Egger <[EMAIL PROTECTED]> writes:
> Am 03 Sep 2001 17:45:13 -0700 schrieb Brian Weber:
>
> > So if I understand you correctly, since the gimps main purpose is
> to
> > perform bitwise manipulation that 64 bit won't give much of a benefit.
>
> No, it's doing bytewise operation on 8, 16, 24 or 32bit data and it has
> to because many processors won't operate on several 8bit channels at
> once because they lack cpu commands to do so. It would be a nice speedup
> to work on 4x8bit at once for processors that support it and for 64bit
> we could even do 2 RGBA pixels at once if the processors supports it.
you certainly can process several 8 bit channels in one operation without
special support from the processor and I would like to contribute such
code to The GIMP, but I'm waiting until the new paint_funcs code is in
place.
Salut, Sven
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