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Mame game speed problems - throttle issue?

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thet0ast3r:
Hi, I recently moved to linux (ubuntu 18.04 LTS) and tried mame with the game surf planet (surfplnt.zip). As i recall, I could always play it on full speed with my i7 6700k. However, I only got to 84 % of max. speed on the latest mame release. Now, having toyed with settings for some time, i got it to about 94 % speed with frameskip, etc. I just found that if i disabled the option throttle, the game would run at 160 % speed. So my cpu should not be the issue here. Could it be that this is some weird linux scheduling thing, where mame yields and doesn`t get scheduled in time again to keep up with the 100%?
Maybe its just a stupid mistake on my side ... any suggestions?

greetings :)

Doozer:
Hi,

Do you have glsl enabled? Try to disable any HLSL feature, it is not fully working in current GM version.

thet0ast3r:
Thanks for your reply! I just tried it, and it seems this was the issue. I would have never come up with this :) I disabled gl_vbo , gl_pbo & gl_glsl_filter and now it runs @ 99.8% speed. Good enough.

Greetings

thet0ast3r:
Just a quick update: I disabled all opengl settings in the mame config file. It worked afterwards, I was happy and went to bed. The next day, I wanted to play a little, aaand the it`s back. Speed at roughly 90%, just like before. Enabling/disabling glsl settings did not help this time.  :banghead: I cannot understand this anymore...  ???

phulshof:
Which version of MAME are you running, and can you show us your mame.ini file? Are you sure you're using $HOME/.mame/mame.ini, and not a local one by accident?

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