[gs-bugs] [Bug 692338] New: performance degradation

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Sun Jul 10 18:15:52 UTC 2011


http://bugs.ghostscript.com/show_bug.cgi?id=692338

           Summary: performance degradation
           Product: Ghostscript
           Version: master
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P4
         Component: General
        AssignedTo: support at artifex.com
        ReportedBy: henry.stiles at artifex.com
         QAContact: gs-bugs at ghostscript.com
          Customer: 711


Created an attachment (id=7662)
 --> (http://bugs.ghostscript.com/attachment.cgi?id=7662)
performance problem file

The customer reports the attached file is much slower in 9.02 vs 8.71.  I
confirm.

HEAD:

time ./gs -sDEVICE=bmpmono -o /dev/null  -c '100 {(/Users/henrys/gs_timing.ps)
run} repeat' > /dev/null

real    0m49.024s
user    0m47.347s
sys    0m1.667s

8.71:

time ./gs -sDEVICE=bmpmono -o /dev/null  -c '100 {(/Users/henrys/gs_timing.ps)
run} repeat' > /dev/null

real    0m32.915s
user    0m30.948s
sys    0m1.666s

profiles forthcoming

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