Winuae extreme cpu load

Rotr · 27 August 2004, 13:49

The good news:

I was finally able to finish Agony after a decade on my notebook P4 2Ghz Mobility radeon WinXP pro.
However this game still goes to a CPU load of 120% sometimes. On my Desktop AMD XP2200+ Geforce4TI WinXP pro the game sometimes even goes to 220% cpu load! This is when winuae is the only application running and if I check the load when not running winuae it gives a 4% cpu load ( taskmanager). I'm pretty sure it's the config but I can't figure out just what it is. I know in some other threads it's been suggested this can be because of some spyware or something but I don't think that's the case here.
I don't know, I figure even with all whistles and bells activate my XP2200 should be able to hold it below 100% Am I missing here something?
One last strange thing is that when I run in workbench mode (A1200 Config )with my old Amiga harddisk copied to hardfiles and Picasso96 installed everything runs smooth!

Here are some parts of theA500 config I'm using which might give an indication of what's wrong.

gfx_width=800
gfx_height=600
gfx_width_windowed=800
gfx_height_windowed=600
gfx_width_fullscreen=800
gfx_height_fullscreen=600
gfx_correct_aspect=false
gfx_fullscreen_amiga=false
gfx_fullscreen_picasso=false
gfx_center_horizontal=none
gfx_center_vertical=none
gfx_colour_mode=8bit
immediate_blits=false
fast_copper=false
chipset=ecs_agnus
collision_level=playfields
sound_output=exact
sound_bits=16
sound_channels=mono
sound_max_buff=16384
sound_frequency=44100
sound_interpol=none
sound_adjust=0
sound_filter=off
sound_volume=0
nr_floppies=2
floppy_speed=100
floppy_volume=33
win32.cpu_idle=0
chipset=ecs_agnus
collision_level=playfields
fastmem_size=2
a3000mem_size=0
z3mem_size=0
bogomem_size=0
gfxcard_size=0
chipmem_size=4
cpu_speed=real
cpu_type=68000
cpu_compatible=true
cpu_cycle_exact=true
blitter_cycle_exact=true

Hope you guys can help because I hate to wait for that 12Ghz AMD128 to run my old games

Toni Wilen · 27 August 2004, 20:05

Probably some power-saving feature is confusing WinUAE's timing. Could you attach your winuaebootlog.txt?

Using -nordtsc or -forcerdtsc command line parameter may help.

Belgarath · 28 August 2004, 01:49

turning off cycle exact would be a good idea as it's not needed for Agony (adf or ipf)

Shoonay · 28 August 2004, 02:18

Quote:

Originally Posted by Rotr

This is when winuae is the only application running

On Win, there is no such thing like "the one and only" application running

andreas · 28 August 2004, 04:07

Quote:

Originally Posted by Belgarath

turning off cycle exact would be a good idea as it's not needed for Agony (adf or ipf)

You're sure? Well, scrolling code is very complex ... I don't have the time atm to fire it up, but I bet you WILL need ce here to get 100% perfect scrolling.

Rotr · 30 August 2004, 19:55

Sorry for the late reply, I was in the countryside for the weekend.

@Toni:

I attached the winuaebootlog.txt as requested, hope this tells you a bit more.

Rotr · 03 September 2004, 20:13

It looks like I tested with an old version of winuae, I just tested it with 0.9.91 but it had exactly the same result ( updated the winuaebootlog.txt ), I also tested the -nordtsc or -forcerdtsc command line parameters but no real difference in performance.

@Belgarath, turning cycle exact would probably make things a little better but my point is that I read some of you guys are having no problem with the emulator on a 800Mhz machine so I guess I should be able to run it with cycle exact turned on on a XP2200 machine ( I know this is not real 2,2Ghz but it should act like a P IV 2,2 right? ).

Belgarath · 03 September 2004, 22:43

It all depends on the game, some games will work fine on a 800mhz whereas others won't, and it's not always the ones you think either, i've got a p4 1.3ghz and i can run banshee an aga game with no problems, whereas a simple looking game like head over heels will slow down like crazy and send the cpu usage through the roof. cycle exact can also be a real killer so really don't use it unless the game needs it and by need i mean to work, slight graphics issues are nothing if it means the game will run at fullspeed

Rotr · 07 September 2004, 09:59

Is there some kind of benchmark test available that could be used to test the chipset emulation? Would be nice to know what your system can handle and what not.

27 August 2004, 13:49	#1
Rotr Member Join Date: Feb 2002 Location: Belgium Posts: 47	Winuae extreme cpu load The good news: I was finally able to finish Agony after a decade on my notebook P4 2Ghz Mobility radeon WinXP pro. However this game still goes to a CPU load of 120% sometimes. On my Desktop AMD XP2200+ Geforce4TI WinXP pro the game sometimes even goes to 220% cpu load! This is when winuae is the only application running and if I check the load when not running winuae it gives a 4% cpu load ( taskmanager). I'm pretty sure it's the config but I can't figure out just what it is. I know in some other threads it's been suggested this can be because of some spyware or something but I don't think that's the case here. I don't know, I figure even with all whistles and bells activate my XP2200 should be able to hold it below 100% Am I missing here something? One last strange thing is that when I run in workbench mode (A1200 Config )with my old Amiga harddisk copied to hardfiles and Picasso96 installed everything runs smooth! Here are some parts of theA500 config I'm using which might give an indication of what's wrong. gfx_width=800 gfx_height=600 gfx_width_windowed=800 gfx_height_windowed=600 gfx_width_fullscreen=800 gfx_height_fullscreen=600 gfx_correct_aspect=false gfx_fullscreen_amiga=false gfx_fullscreen_picasso=false gfx_center_horizontal=none gfx_center_vertical=none gfx_colour_mode=8bit immediate_blits=false fast_copper=false chipset=ecs_agnus collision_level=playfields sound_output=exact sound_bits=16 sound_channels=mono sound_max_buff=16384 sound_frequency=44100 sound_interpol=none sound_adjust=0 sound_filter=off sound_volume=0 nr_floppies=2 floppy_speed=100 floppy_volume=33 win32.cpu_idle=0 chipset=ecs_agnus collision_level=playfields fastmem_size=2 a3000mem_size=0 z3mem_size=0 bogomem_size=0 gfxcard_size=0 chipmem_size=4 cpu_speed=real cpu_type=68000 cpu_compatible=true cpu_cycle_exact=true blitter_cycle_exact=true Hope you guys can help because I hate to wait for that 12Ghz AMD128 to run my old games

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27 August 2004, 20:05	#2
Toni Wilen WinUAE developer Join Date: Aug 2001 Location: Hämeenlinna/Finland Age: 49 Posts: 26,575	Probably some power-saving feature is confusing WinUAE's timing. Could you attach your winuaebootlog.txt? Using -nordtsc or -forcerdtsc command line parameter may help.

28 August 2004, 01:49	#3
Belgarath HOL Team Member Join Date: Dec 2001 Location: Manchester Posts: 2,529	turning off cycle exact would be a good idea as it's not needed for Agony (adf or ipf)

03 September 2004, 20:13	#7
Rotr Member Join Date: Feb 2002 Location: Belgium Posts: 47	It looks like I tested with an old version of winuae, I just tested it with 0.9.91 but it had exactly the same result ( updated the winuaebootlog.txt ), I also tested the -nordtsc or -forcerdtsc command line parameters but no real difference in performance. @Belgarath, turning cycle exact would probably make things a little better but my point is that I read some of you guys are having no problem with the emulator on a 800Mhz machine so I guess I should be able to run it with cycle exact turned on on a XP2200 machine ( I know this is not real 2,2Ghz but it should act like a P IV 2,2 right? ).

03 September 2004, 22:43	#8
Belgarath HOL Team Member Join Date: Dec 2001 Location: Manchester Posts: 2,529	It all depends on the game, some games will work fine on a 800mhz whereas others won't, and it's not always the ones you think either, i've got a p4 1.3ghz and i can run banshee an aga game with no problems, whereas a simple looking game like head over heels will slow down like crazy and send the cpu usage through the roof. cycle exact can also be a real killer so really don't use it unless the game needs it and by need i mean to work, slight graphics issues are nothing if it means the game will run at fullspeed

07 September 2004, 09:59	#9
Rotr Member Join Date: Feb 2002 Location: Belgium Posts: 47	Is there some kind of benchmark test available that could be used to test the chipset emulation? Would be nice to know what your system can handle and what not.

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