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[gl4java-usergroup] Re: memory leak - user test
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From: Sven G. <sgo...@ja...> - 2001-12-07 22:43:19
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On Friday 07 December 2001 19:05, Sven Goethel wrote:
> well, here are my experiences with the "memory leak" problem:
>
> i have read the memory usage form with the windows task manager (winnt),
> the system monitor (win98se), or xosview (linux ;-)
> 1s after the java program has finished !
>
> i have learned, that after several more secounds,
> the OS may freee a bit more memory ..
>
> anyway, this gives us a reliable source of information
> whether gl4java has a "big" memory leak or not !
>
> ---------------
>
SUMMARY:
=========
I have also checked GL4Java's native ressource managment
(with it's verbose printouts ..),
and everything seems ok !
(MY) Win98se machine looks like the only platform with this bug.
So, because Win98xx is a kinda dead thing ;-),
and i really do not use it regulary (just to offer you thie win32 binaries),
we may can forget this issue .. ?!?!
Tip for Win98 users:
DONT use Win98, WinME or WinXP ;-)
Use WinNT, Win2k - or better: switch to a rock solid machine !
Well it is not recommended to use a WinXP machine,
since you do not have a special http, smb, or whatever
content checking firewall, which is able to disallow M$
to spy you personality and you machine itself !
don't hesitate, go for it, use at least GNU/Linux ;-)
... but this might be offthread ..
TEST RESULTS 1.) win98se, 2) winnt, 3.) linux-ppc, 4.) linux-x86
- ------------------------------------------------------------------
( All test ran with an NVidia gfx card and its proprietary driver,
except the linux-ppc one (ATI (DRI driver)) !
)
win98se + jdk 1.3.1 + gl4java 2.8.1.0
test: "java gl4java.GLContext -infotxt"
summary: after each run 2MB of memory are "lost" !
- ---------------
win98se + jdk 1.3.1_01 + gl4java 2.8.1.0
test: "java gl4java.GLContext -infotxt"
test loop memory used (MB)
0 167.5 !!!!!!!!!
1 173.3 !!!!!!!!!
2 175.4 !!!!!!!!!
3 177.3 !!!!!!!!!
4 179.1 !!!!!!!!!
- ----------------
winnt 4.0 + 500MByte + jdk 1.3.1 + gl4java 2.8.1.0
test: "java gl4java.GLContext -infotxt"
test loop memory used (kb)
0 75404
1 76028
2 76028
3 76028
4 76028
- ----------------
winnt 4.0 + 500MByte + jdk 1.3.1_01+ gl4java 2.8.1.0
test: "java gl4java.GLContext -infotxt"
test loop memory used (kb)
0 68980
1 69788
2 69784
3 69784
4 69776
- ----------------
winnt 4.0 + 500MByte + jdk 1.4.0b3 + gl4java 2.8.1.0
test: "java gl4java.GLContext -infotxt"
test loop memory used (kb)
0 70612
1 71660
2 71656
3 71656
4 71656
test: "java gl4java.GLContext VertexArrayRange" (demos/NVidia)
test loop memory used (kb)
0 70592
1 70784
2 70784
3 70700
4 70632
- ------------
linux 2.4.12 ppc + 256 MB + jdk 1.3.0 (blackdown fcs) + gl4java 2.8.1.0
test: "java gl4java.GLContext -infotxt"
test loop memory used (MB)
0 199
1 199
2 199
3 198
4 198
- ------------
linux 2.4.11 x86 + 650 MB + jdk 1.3.1 (blackdown fcs) + gl4java 2.8.1.0
test: "java gl4java.GLContext -infotxt"
test loop memory used (MB)
0 616
1 608
2 608
3 607
4 607
- ------------
linux 2.4.11 x86 + 650 MB + jdk 1.4.0b3 (sun) + gl4java 2.8.1.0
test: "java gl4java.GLContext -infotxt"
test loop memory used (MB)
0 616
1 604
2 603
3 604
4 604
test: "java gl4java.GLContext VertexArrayRange" (demos/NVidia)
test loop memory used (MB)
0 612
1 593
2 592
3 593
4 593
- ------------
- --
"come on sexy mama, let's kill all humans", bender - futurama
mailto:sgo...@ja...
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