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Forums > CSDb Discussions > WinVice 3.1 speed/performance on Ultrabooks?
2017-05-12 09:29
Dano

Registered: Jul 2004
Posts: 226
WinVice 3.1 speed/performance on Ultrabooks?

Currently i am coding on an Asus UX32VD Ultrabook (which should have some like an Intel Core i7-3517U 1.9 GHz in it). As of WinVice3.1 using x64 with FastSid does not work correctly anymore. Visuals yes, but Sound sometimes totally goes south (no filters and such).

From the Vice people i was told to use ReSid as FastSid is not supported anymore.

Now my problems start: With using ReSid WinVice drops to like 24fps on my system. Using x64sc with Resid gives me like 8fps.

Looking at procmon it seems like one core is maxed out as CPU load never goes over 24% (the graphs show a different picture as none seems to be properly used).

My workhorse laptop at the office can run x64+resid nicely and properly, but okay it got way more power than my ultrabook will have.

Somehow i got the feeling that my system (Win10 Creators) is not really working properly anymore.

That's why i am asking here.. Any of you guys got a laptop compareable to mine and how's WinVice working on your system? Or what are the general performance reports for WinVice3.1?

Before i go into the ordeal of doing a complete re-install i would like to hear what other experience with WinVice currently. If it's problem on my side, or if it's just how well WinVice works on lower spec (sort of) laptops..
 
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2017-05-17 11:53
Dano

Registered: Jul 2004
Posts: 226
Algorithm has won the cup for me!

Have been google'ing on "ux32vd throttling" and it seems there is a bug in intel's DPTF windows 10 driver.

before using cpu-z it showed that my cpu speed was locked to 998mhz due to throttling. doing a restart gave it back up to 1900mhz resulting in 39fps in x64sc with resid and crt.

doing a downgrade to the windows8 DPTF drivers resulted in a clockspeed of 2800mhz giving me the full power of the laptop back. resulting in constant 50fps at 100% speed in vice.

summing up: in my case it has not been windows but faulty (intel) drivers on my laptop causing the slowdown.

me will keep an eye on that if there's throttling again with not locking the processor there after cool down.

and it's good to see that it was not just just a feeling that the laptop performed below par.
2017-05-17 14:38
chatGPZ

Registered: Dec 2001
Posts: 11101
soci: depending on what sound system i use, i can reproduce various problems on linux as well... the core problem is how the timing is derived using a different source than how many samples have been played. that way you never get the timing right and keep meandering around a point that is "almost right" - which is why the fps goes up and down, for example.
2017-05-22 01:53
Slajerek

Registered: May 2015
Posts: 62
Yes, it plays very wrong.
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