Jdurgi |
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Reged: 09/21/03
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Posts: 1009
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Loc: NEW England, CT
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Re: Delayed stuttering in MAME caused by CPU or GPU?
10/13/13 10:19 AM
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> > for a good while > > (like the first run-through of the attract mode in games) the game runs full speed > > like it does with HLSL off. Then, out of nowhere, it will start to stutter and > > slowdown and the framerate will drop to about 40-50%. If I exit out of a game and > go > > back into a different game, the stuttering remains. If I exit out of MAME entirely > > then go back in, the game will run fine again until going through a round of the > > attract mode. > > Maybe overheat protection kicking in? > > Disable vsync and triplebuffer (anything that mentions sync and refresh rate) in > mame.ini, try running mame in a window. Try disabling multithreading. > > Check the nvidia driver control panel to see if you have vsync forced on for D3D > applications. Try resetting to default settings. > > S
I now think that it's my GPU throttling itself down due to high temperatures. When running MAME with the HLSL active for a while, I noticed that my GPU temp was approaching 99 degress Celsius! After stopping MAME for a while, or if turning HLSL off, the temperatures quickly dropped to it's idle temp of 60 C. (Yes, this mobile graphics card runs INSANELY hot). So I think that the GPU is throttling, thus causing HLSL to hiccup and MAME to stutter. So I think when I go and look into getting a different laptop some time in the future, I'll ensure I get one with good cooling for the GPU so that it won't throttle on me.
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