[gs-bugs] [Bug 692323] High-resolution rendering is very slow on some files

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Wed Jul 6 17:12:19 UTC 2011


http://bugs.ghostscript.com/show_bug.cgi?id=692323

Alex Cherepanov <alex.cherepanov at artifex.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
         AssignedTo|support at artifex.com         |alex.cherepanov at artifex.com
     Ever Confirmed|0                           |1

--- Comment #3 from Alex Cherepanov <alex.cherepanov at artifex.com> 2011-07-06 17:12:16 UTC ---
Created an attachment (id=7644)
 --> (http://bugs.ghostscript.com/attachment.cgi?id=7644)
A modest speed-up

About 7% speed improvement can be easily achieved by re-coding
cmsTetrahedralInterp16() more efficiently.

Besides equivalent transformations, this patch replaces division with
multiplication and causes large number of trivial differences.

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