[gs-bugs] [Bug 691612] New: Performance regression with 9.00rc3 vs 8.70

[bugzilla-daemon at ghostscript.com]

http://bugs.ghostscript.com/show_bug.cgi?id=691612

           Summary: Performance regression with 9.00rc3 vs 8.70
           Product: Ghostscript
           Version: other
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P4
         Component: Regression
        AssignedTo: support at artifex.com
        ReportedBy: hjpriester at gmail.com
         QAContact: gs-bugs at ghostscript.com
   Estimated Hours: 0.0


When rasterizing a large PDF with transparancy using the following commandline:

time $GS_DIR/bin/gs -dNOPAUSE -dBATCH -dBufferSpace=50000000 -r600
-sDEVICE=png16m -sOutputFile=strike.png strikeline1.pdf

GhostScript 9.00rc3 is very slow compared to 8.70. (113 vs 8.5 minutes)

GPL Ghostscript 8.70 (2009-07-31)
Copyright (C) 2009 Artifex Software, Inc.  All rights reserved.
This software comes with NO WARRANTY: see the file PUBLIC for details.
Processing pages 1 through 1.
Page 1

real    8m31.000s
user    8m10.277s
sys     0m19.870s

GPL Ghostscript RELEASE CANDIDATE 9.00 (2010-09-14)
Copyright (C) 2010 Artifex Software, Inc.  All rights reserved.
This software comes with NO WARRANTY: see the file PUBLIC for details.
Processing pages 1 through 1.
Page 1

real    113m6.393s
user    112m25.194s
sys     0m25.733s

--- Comment #1 from Henk Jan Priester <hjpriester at gmail.com> 2010-09-15 16:45:51 UTC ---
adding the attachment failed with a server error
proably the file was too big. (78015376 bytes)

-- 
Configure bugmail: http://bugs.ghostscript.com/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the QA contact for the bug.