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https://bugzilla.novell.com/show_bug.cgi?id=391069
User koenig@linux.de added comment
https://bugzilla.novell.com/show_bug.cgi?id=391069#c3
Harald Koenig
Try out openSuSE 11.0
ok, this is a simple benchmark with pure 11.0-factory (beta3plus?) : harald > for i in {1..100} ; do echo "plot sin(x+$i/10.) t '$i'" ; done | LC_ALL=de_DE time gnuplot 0:01.77 real, 0.06 user, 0.01 sys, 4% cpu harald > for i in {1..100} ; do echo "plot sin(x+$i/10.) t '$i'" ; done | LC_ALL=de_DE.utf-8 time gnuplot 0:08.99 real, 0.08 user, 0.02 sys, 1% cpu with good graphics card drivers (e.. nv/nvidia) the difference might be even worse, because my fglrx in IBM T60 for ATI X1400 shows a significant slowdown with increasing window size while "nv" has constant performace for small/large plot windows -- but that'll be another bug report... ;-) I traced the X11 protocol for this benchmark using "xmon" and found two significant differences: - with utf-8 there are _many_ ListFonts and ListFontsWithInfo requests, with de_DE there are none: harald > grep -c ListFont gp.xmon.de_DE* gp.xmon.de_DE:0 gp.xmon.de_DE.utf-8:15600 this is a historgram over all ListFonts request pattern: 1900 "-*-verdana-medium-r-normal--16-* -*-dejavu*sans-medium-r-normal--16-*-" 1900 "-*-sazanami*mincho-medium-r-normal--16-* -*-mincho-medium-r-normal--16" 300 "-*-medium-r-normal--16-*-ISO8859-1" 200 "-etl-fixed-medium-r-normal--16-160-72-72-c-80-iso8859-1" 200 "-*-medium-r-normal--16-*-JISX0201.1976-0" 100 "-xos4-terminus-medium-r-normal--16-160-72-72-c-80-iso8859-13" 100 "-sony-fixed-medium-r-normal--16-120-100-100-c-80-jisx0201.1976-0" 100 "-jis-fixed-medium-r-normal--16-110-100-100-c-160-jisx0208.1983-0" 100 "-isas-fangsong ti-medium-r-normal--16-160-72-72-c-160-gb2312.1980-0" 100 "-etl-fixed-medium-r-normal--16-160-72-72-c-80-koi8-r" 100 "-etl-fixed-medium-r-normal--16-160-72-72-c-80-iso8859-9" 100 "-etl-fixed-medium-r-normal--16-160-72-72-c-80-iso8859-7" 100 "-etl-fixed-medium-r-normal--16-160-72-72-c-80-iso8859-5" 100 "-etl-fixed-medium-r-normal--16-160-72-72-c-80-iso8859-4" 100 "-etl-fixed-medium-r-normal--16-160-72-72-c-80-iso8859-3" 100 "-etl-fixed-medium-r-normal--16-160-72-72-c-80-iso8859-2" 100 "-efont-fixed-medium-r-normal--16-160-75-75-c-80-iso8859-15" 100 "-efont-biwidth-medium-r-normal--16-160-75-75-p-80-iso10646-1" 100 "-daewoo-gothic-medium-r-normal--16-120-100-100-c-160-ksc5601.1987-0" 100 "-*-medium-r-normal--16-*-KSC5601.1987-0" 100 "-*-medium-r-normal--16-*-KOI8-R" 100 "-*-medium-r-normal--16-*-JISX0208.1983-0" 100 "-*-medium-r-normal--16-*-ISO8859-9" 100 "-*-medium-r-normal--16-*-ISO8859-7" 100 "-*-medium-r-normal--16-*-ISO8859-5" 100 "-*-medium-r-normal--16-*-ISO8859-4" 100 "-*-medium-r-normal--16-*-ISO8859-3" 100 "-*-medium-r-normal--16-*-ISO8859-2" 100 "-*-medium-r-normal--16-*-ISO8859-15" 100 "-*-medium-r-normal--16-*-ISO8859-14" 100 "-*-medium-r-normal--16-*-ISO8859-13" 100 "-*-medium-r-normal--16-*-ISO10646-1" 100 "-*-medium-r-normal--16-*-GB2312.1980-0" 100 "-*-medium-r-normal--16-*-*-ISO8859-14" 100 "-*-medium-r-normal--16-*-*-*-ISO8859-14" 100 "-*-medium-r-normal--16-*-*-*-*-ISO8859-14" 100 "-*-medium-r-normal--16-*-*-*-*-*-ISO8859-14" 100 "-*-medium-r-normal--16-*-*-*-*-*-*-ISO8859-14" while the actual request sequence looks like this: "-*-sazanami*mincho-medium-r-normal--16-* -*-mincho-medium-r-normal--16" "-*-verdana-medium-r-normal--16-* -*-dejavu*sans-medium-r-normal--16-*-" "-*-medium-r-normal--16-*-ISO8859-1" "-*-sazanami*mincho-medium-r-normal--16-* -*-mincho-medium-r-normal--16" "-*-verdana-medium-r-normal--16-* -*-dejavu*sans-medium-r-normal--16-*-" "-*-medium-r-normal--16-*-ISO8859-1" "-*-sazanami*mincho-medium-r-normal--16-* -*-mincho-medium-r-normal--16" "-*-verdana-medium-r-normal--16-* -*-dejavu*sans-medium-r-normal--16-*-" "-*-medium-r-normal--16-*-ISO8859-1" "-*-sazanami*mincho-medium-r-normal--16-* -*-mincho-medium-r-normal--16" "-*-verdana-medium-r-normal--16-* -*-dejavu*sans-medium-r-normal--16-*-" "-*-medium-r-normal--16-*-ISO8859-2" "-*-sazanami*mincho-medium-r-normal--16-* -*-mincho-medium-r-normal--16" "-*-verdana-medium-r-normal--16-* -*-dejavu*sans-medium-r-normal--16-*-" "-*-medium-r-normal--16-*-ISO8859-3" "-*-sazanami*mincho-medium-r-normal--16-* -*-mincho-medium-r-normal--16" "-*-verdana-medium-r-normal--16-* -*-dejavu*sans-medium-r-normal--16-*-" "-*-medium-r-normal--16-*-ISO8859-4" "-*-sazanami*mincho-medium-r-normal--16-* -*-mincho-medium-r-normal--16" "-*-verdana-medium-r-normal--16-* -*-dejavu*sans-medium-r-normal--16-*-" "-*-medium-r-normal--16-*-ISO8859-5" "-*-sazanami*mincho-medium-r-normal--16-* -*-mincho-medium-r-normal--16" "-*-verdana-medium-r-normal--16-* -*-dejavu*sans-medium-r-normal--16-*-" "-*-medium-r-normal--16-*-KOI8-R" "-*-sazanami*mincho-medium-r-normal--16-* -*-mincho-medium-r-normal--16" "-*-verdana-medium-r-normal--16-* -*-dejavu*sans-medium-r-normal--16-*-" "-*-medium-r-normal--16-*-ISO8859-7" "-*-sazanami*mincho-medium-r-normal--16-* -*-mincho-medium-r-normal--16" "-*-verdana-medium-r-normal--16-* -*-dejavu*sans-medium-r-normal--16-*-" "-*-medium-r-normal--16-*-ISO8859-9" "-*-sazanami*mincho-medium-r-normal--16-* -*-mincho-medium-r-normal--16" "-*-verdana-medium-r-normal--16-* -*-dejavu*sans-medium-r-normal--16-*-" "-*-medium-r-normal--16-*-ISO8859-13" "-*-sazanami*mincho-medium-r-normal--16-* -*-mincho-medium-r-normal--16" "-*-verdana-medium-r-normal--16-* -*-dejavu*sans-medium-r-normal--16-*-" "-*-medium-r-normal--16-*-ISO8859-14" "-*-medium-r-normal--16-*-*-ISO8859-14" "-*-medium-r-normal--16-*-*-*-ISO8859-14" "-*-medium-r-normal--16-*-*-*-*-ISO8859-14" "-*-medium-r-normal--16-*-*-*-*-*-ISO8859-14" "-*-medium-r-normal--16-*-*-*-*-*-*-ISO8859-14" "-*-sazanami*mincho-medium-r-normal--16-* -*-mincho-medium-r-normal--16" "-*-verdana-medium-r-normal--16-* -*-dejavu*sans-medium-r-normal--16-*-" "-*-medium-r-normal--16-*-ISO8859-15" "-*-sazanami*mincho-medium-r-normal--16-* -*-mincho-medium-r-normal--16" "-*-verdana-medium-r-normal--16-* -*-dejavu*sans-medium-r-normal--16-*-" "-*-medium-r-normal--16-*-JISX0208.1983-0" [ ...] - with utf-8 all strings are drawn one character at a time while de_DE draws a label string at once: without utf8: grep string: gp.xmon.de_DE text item 8 string: " 1" text item 8 string: "-10" text item 8 string: "-5" text item 8 string: " 0" text item 8 string: " 5" text item 8 string: " 10" text item 8 string: "1" text item 8 string: "-11.5623, -1.12474" with utf8 just for the last string (but that's still merged into a single: text item 8 string: "-" text item 8 string: "1" text item 8 string: "1" text item 8 string: "." text item 8 string: "5" text item 8 string: "6" text item 8 string: "2" text item 8 string: "3" text item 8 string: "," text item 8 string: " " text item 8 string: "-" text item 8 string: "1" text item 8 string: "." text item 8 string: "1" text item 8 string: "2" text item 8 string: "4" text item 8 string: "7" text item 8 string: "4" here is a [top of] histogram over all X11 requests: harald > grep REQUEST: gp.xmon.de_DE | sort | uniq -c | sort -nr| head 3600 ............REQUEST: PolyLine 1948 ............REQUEST: PolyText8 700 ............REQUEST: ChangeGC 502 ............REQUEST: ChangeWindowAttributes 128 ............REQUEST: CreateGC 126 ............REQUEST: FreeGC 103 ............REQUEST: OpenFont 102 ............REQUEST: CloseFont 101 ............REQUEST: MapWindow 101 ............REQUEST: ConfigureWindow harald > grep REQUEST: gp.xmon.de_DE.utf-8 | sort | uniq -c | sort -nr| head 9656 ............REQUEST: PolyText8 6200 ............REQUEST: ListFonts 3600 ............REQUEST: PolyLine 1600 ............REQUEST: ListFontsWithInfo 701 ............REQUEST: ChangeGC 502 ............REQUEST: ChangeWindowAttributes 128 ............REQUEST: CreateGC 126 ............REQUEST: FreeGC 103 ............REQUEST: OpenFont 102 ............REQUEST: GetInputFocus are you interested in the full logs ? -rw-r--r-- 1 harald users 3.3M May 23 11:14 gp.xmon.de_DE -rw-r--r-- 1 harald users 8.2M May 23 11:15 gp.xmon.de_DE.utf-8 -rw-r--r-- 1 harald users 94K May 23 11:14 gp.xmon.de_DE.bz2 -rw-r--r-- 1 harald users 184K May 23 11:15 gp.xmon.de_DE.utf-8.bz2 -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.