[gs-bugs] [Bug 692674] GS9.04 performance is not at par with GS8.71

[bugzilla-daemon at ghostscript.com]

http://bugs.ghostscript.com/show_bug.cgi?id=692674

--- Comment #12 from Ray Johnston <ray.johnston at artifex.com> 2011-11-17 18:26:05 UTC ---
Note that as mentioned on previous performance discussions with this
customer, starting/stopping gs for every file is wasteful compared with
leaving gs started and just running files through it. Below is a comparison
of 871 starting the job every time and 904 running the input file 10 times:

gs 871 optimized                    gs 904 Single invocation, 10 files
================= PS to PDF ======= ================= PS to PDF =======
Thu Nov 17 10:24:30 PST 2011        Thu Nov 17 10:24:42 PST 2011

real    0m0.809s                            real        0m0.860s
user    0m0.740s                            user        0m0.850s
sys     0m0.080s                            sys 0m0.010s
Thu Nov 17 10:24:31 PST 2011        Thu Nov 17 10:24:43 PST 2011
================= PS to PCL (ljet4) ================= PS to PCL (ljet4)
Thu Nov 17 10:24:31 PST 2011        Thu Nov 17 10:24:43 PST 2011

real    0m0.771s                            real        0m0.256s
user    0m0.720s                            user        0m0.250s
sys     0m0.060s                            sys 0m0.010s
Thu Nov 17 10:24:32 PST 2011        Thu Nov 17 10:24:43 PST 2011
================= PS to PS (pswrite ================= PS to PS (pswrite
Thu Nov 17 10:24:32 PST 2011        Thu Nov 17 10:24:43 PST 2011

real    0m0.655s                            real        0m0.221s
user    0m0.570s                            user        0m0.220s
sys     0m0.080s                            sys 0m0.000s
Thu Nov 17 10:24:32 PST 2011        Thu Nov 17 10:24:44 PST 2011
================= PDF to PS (pswrit ================= PDF to PS (pswrit
Thu Nov 17 10:24:32 PST 2011        Thu Nov 17 10:24:44 PST 2011

real    0m1.112s                            real        0m0.212s
user    0m1.000s                            user        0m0.210s
sys     0m0.120s                            sys 0m0.000s
Thu Nov 17 10:24:33 PST 2011        Thu Nov 17 10:24:44 PST 2011

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