[gs-bugs] [Bug 692249] New: Transparency blending is slow.

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Wed Jun 1 14:49:02 UTC 2011


http://bugs.ghostscript.com/show_bug.cgi?id=692249

           Summary: Transparency blending is slow.
           Product: Ghostscript
           Version: master
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P4
         Component: Graphics Library
        AssignedTo: support at artifex.com
        ReportedBy: robin.watts at artifex.com
         QAContact: gs-bugs at ghostscript.com
   Estimated Hours: 0.0


Created an attachment (id=7557)
 --> (http://bugs.ghostscript.com/attachment.cgi?id=7557)
57652.pdf

Enhancement bug spun out of bug 692019. The excessive memory use seen in 692019
has gone (thanks to the pattern clist work), but we remain slower than Acrobat.

Profiles suggest that pdf14 blending is taking most of the time.

The command line in question is:

 gs -sDEVICE=tiff24nc -o /dev/null -r300 57652.pdf

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