[gs-bugs] [Bug 690250] Performance slower than other PCL s/w

[bugs.ghostscript.com-bugzilla-daemon at ghostscript.com]

http://bugs.ghostscript.com/show_bug.cgi?id=690250





------- Additional Comments From henry.stiles at artifex.com  2009-03-06 13:25 -------
Incidentally the switch to the gs memory manager significantly improved this
file.  That has already been delivered to the customer:

with gs memory manager:

/usr/bin/time ./pcl6 -dNOPAUSE -r600 -sDEVICE=pbmraw
-sOutputFile=/dev/null ~/Downloads/SP03P_AC.prn

       4.70 real         4.58 user         0.09 sys

old memory manager (system management with malloc and free):

/usr/bin/time ./pcl6 -dNOPAUSE -r600 -sDEVICE=pbmraw
-sOutputFile=/dev/null ~/Downloads/SP03P_AC.prn

       7.04 real         6.42 user         0.10 sys


But this just masks the underlying problems with the clipping algorithm, very
few pcl jobs will show this kind of speedup because they don't abuse the
allocator.  I suspect the same is true of the large GC difference but I haven't
tested other jobs.  




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