For the AMD XP 2600+ the right numbers are
lcms 1.12: circa 1.2 Mpixel/s lcms 1.13: circa 2.8 Mpixel/s
But as you said, unfortunately still (much) slower than Argyll (by a factor of approx. 30).
So it's only a factor of approximately 5 :-)
Presumably the AMD XP 2600+ is considered to be a fast machine.
I am not familiar with Argyll's architecture (is there even an API?), but clearly a general-purpose solution like LCMS will be substantially slower than an implementation which is directly optimized for a single usage.
A managed workflow may require a CMS transformation whenever an image is loaded (if the working space profile differs from the image's current profile), which would make image loading considerably slower. Likewise, if image display is CMS managed in software (vs hardware), displaying the image will be considerably slower.
When automated color management is introduced into open source applications, the impact on performance will be substantially greater than for proprietary applications like Photoshop.
Bob ====================================== Bob Friesenhahn [EMAIL PROTECTED] http://www.simplesystems.org/users/bfriesen
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