Issue 20 in nullpomino: FPS drop in netplay

[nullp...@googlecode.com]

Status: New
Owner: prelude...@gmail.com
Labels: Type-Defect Priority-Medium

New issue 20 by prelude...@gmail.com: FPS drop in netplay
http://code.google.com/p/nullpomino/issues/detail?id=20

What steps will reproduce the problem?
1. Play or observe a game in netplay mode
2. Wait for pieces to fill up players' fields
3. FPS drops after lots of pieces are placed

What is the expected output? What do you see instead?
FPS drops dramatically / CPU usage increases. For most players, 1v1 is fine
but as more players join, the game becomes unplayable due to the FPS drop.

Please use labels and text to provide additional information.

[Wojtek]

I have noticed some slowdowns with 6 players games before. I was
looking into it, but rendering code looks fine.
Tell me what version you are using (slick?), what os and what system
specs.

Does anyone know any good way to profile Java programs? I tried
JProfiler, but it's not free and it slowed game way too much to give
any usable data.

On Aug 13, 2:24 pm, nullpom...@googlecode.com wrote:
> Status: New
> Owner: prelude...@gmail.com
> Labels: Type-Defect Priority-Medium
>

> New issue 20 by prelude...@gmail.com: FPS drop in netplayhttp://code.google.com/p/nullpomino/issues/detail?id=20

[nullp...@googlecode.com]

Comment #1 on issue 20 by w.kowaluk: FPS drop in netplay
http://code.google.com/p/nullpomino/issues/detail?id=20

I have noticed some slowdowns with 6 players games before. I was

[nullp...@googlecode.com]

Comment #2 on issue 20 by Zirc...@gmail.com: FPS drop in netplay
http://code.google.com/p/nullpomino/issues/detail?id=20

My SDL runs at a consistent 50 FPS on netplay on this computer, but Slick
keeps 60 FPS pretty well. Not sure if I've seen this.

[nullp...@googlecode.com]

Comment #3 on issue 20 by prelude...@gmail.com: FPS drop in netplay
http://code.google.com/p/nullpomino/issues/detail?id=20

I'm running slick on Windows XP, 1.8ghz Athlon XP, 1gb RAM. 2-3 player
games run at 60fps but 4 player games drop to the 40-50s. 6p games drop to
around the 30s.

[nullp...@googlecode.com]

Comment #4 on issue 20 by w.kowaluk: FPS drop in netplay
http://code.google.com/p/nullpomino/issues/detail?id=20

I have same results with comparable hardware. I don't think this is problem
with nullpomino itself, just libraries nullpomino use don't offer very good
performance.

[nullp...@googlecode.com]

Comment #5 on issue 20 by w.kowa...@gmail.com: FPS drop in netplay
http://code.google.com/p/nullpomino/issues/detail?id=20

can you try with current version? i had chance to play on this old pc today
and with 7.5 i get 60fps in 6p game.

[nullp...@googlecode.com]

Comment #6 on issue 20 by farter...@gmail.com: FPS drop in netplay
http://code.google.com/p/nullpomino/issues/detail?id=20

i experience this problem sometimes too, but not every time. sometimes i
play 6p with no problem and sometimes it drops to 40fps in 3p. seems there
are some conditions other than hardware.
also, because my cpu sometimes overheats and causes shutdown in summer.....
so i always limit the multiplier factor. i tried to turn off the limit when
nullpo gets slow, and thus it gets back to 60fps. but cpu usage is getting
obviously higher.

Nullpomino 7.5.0, tried on both Java 6u22, 7u<i don't remember>.
tried java(no w) and seems no info about error is printed.

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