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Forums > CSDb Discussions > WinVice 3.1 speed/performance on Ultrabooks?
2017-05-12 11:29
dano

Registered: Jul 2004
Posts: 105
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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2017-05-16 02:16
Groepaz

Registered: Dec 2001
Posts: 8120
guess you dont need accurate CIA emulation or VIC timing for scrolling bitmaps and/or color cycling :)
2017-05-16 02:17
Pantaloon

Registered: Aug 2003
Posts: 116
you guess to much.
2017-05-16 02:18
Groepaz

Registered: Dec 2001
Posts: 8120
anyone who prefers warp speed over accurate emulation certainly doesnt hit the limits. at all :)
2017-05-16 02:21
Pantaloon

Registered: Aug 2003
Posts: 116
oh come on, just fix the damn warpspeed instead of trolling about vice settings.
2017-05-16 02:23
Groepaz

Registered: Dec 2001
Posts: 8120
there is nothing to fix, except for emulation bugs.
2017-05-16 07:35
soci

Registered: Sep 2003
Posts: 357
I still can get 311% warp on my faster Pentium II-400 while running my recently released scroller part.

What I've noticed is that resampling is still active while in warp mode. This is sort of counter intuitive as one might think that the sound is off as there's nothing audible. Actually it isn't and it's eating cycles as usual, and much more since 3.x changed resampling defaults.

Turn off sound for real or tune back resampling to "fast". Then likely you'll get much better performance for testing stuff in warp.
2017-05-16 09:26
JackAsser

Registered: Jun 2002
Posts: 1226
Quote: I still can get 311% warp on my faster Pentium II-400 while running my recently released scroller part.

What I've noticed is that resampling is still active while in warp mode. This is sort of counter intuitive as one might think that the sound is off as there's nothing audible. Actually it isn't and it's eating cycles as usual, and much more since 3.x changed resampling defaults.

Turn off sound for real or tune back resampling to "fast". Then likely you'll get much better performance for testing stuff in warp.


I.e. there are things to fix. Everything not related to updating internal state can be disabled in warp mode and thus improve performance.

I.e. no sound rendering, no bitmap rendering, no filters etc etc.
2017-05-16 12:52
Slajerek

Registered: May 2015
Posts: 25
In my C64 Debugger which I plan to release soon I added option to switch off SID emulation completely when in warp mode. This *seems* to not destroy emulation, as the ReSID cycle is synced back to CPU just a while after returning from warp. Anyway - the warp got huge speed improvement. This is a crude hack, but it seems it is acceptable in most cases. By the way I think it's high time for me to post some patches to the Vice too :-) I'll post my outcomes within next few weeks.
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