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Raistlin
Registered: Mar 2007
Posts: 685 |
VICE - "warp mode" is sometimes super-slow..?
I've noticed that entering Warp Mode on VICE, the results can vary quite a lot and wondered what might be happening. In particular, some of the dot-scroller parts in such as I Love the Cube 100% will run almost at 100% in Warp Mode .. where other parts will run at 800% or so.
I noticed that the code has a load of ANE instructions .. so maybe there's some problem with those?
Just thought I'd ask. I hope this is the correct forum category.
(I'm running the Windows build BTW, 3.7.1) |
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Raistlin
Registered: Mar 2007
Posts: 685 |
Quote: That fixed it (setting std out)
Ahhhh, nice! So are we saying this is fixed on the latest nightly build? |
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chatGPZ
Registered: Dec 2001
Posts: 11390 |
Something related to that setting was fixed, not something related to the slowdown :D |
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Jetboy
Registered: Jul 2006
Posts: 338 |
Quoting chatGPZWhat happens is that it writs a line to the log on each ANE ... in the settings, try setting "log to stdout" and see if that changes anything.
Sorry for a stupid question. Where is that setting in settings? Coz i can't find it. Thanks in advance. |
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chatGPZ
Registered: Dec 2001
Posts: 11390 |
Host->Environment->VICE log file |
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Raistlin
Registered: Mar 2007
Posts: 685 |
Quote: Host->Environment->VICE log file
Is that just on the Head version? On 3.7.1 Windows, I don't see that. Under Host I just have: Autostart, Hotkeys, Monitor, Netplay, Snapshot/event/..., Current directory, CPU Jam action. |
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iAN CooG
Registered: May 2002
Posts: 3201 |
in my gtkvice 3.7.1 is there as 2nd to last option between "Snapshot/event/media recording" and "CPU JAM action".
Maybe take the occasion to upgrade to VICE 3.8 |
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chatGPZ
Registered: Dec 2001
Posts: 11390 |
Try r45253 from here (when it shows up in 15 minutes or so).
The actual problem in that demo was that it uses ANE so often, the warnings that went into the log just was too much :) So these are disabled now by default, which fixes that part (GUI options for this coming up later).
And while at it, i added an option that allows to (optionally) skip the soundchip emulation(s) in warp mode. Right now use "-soundwarpmode 0" on the commandline (or resset "SoundEmulateOnWarp" "0" in the monitor) and then save settings. This will considerably speed up warp mode at the cost of some (little) compatibility :) (again: GUI options for this coming up later).
It'd be interesting to know if there are still any releases which show unusual behaviour like this (with r45253 or later that is) |
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Exile
Registered: Dec 2002
Posts: 58 |
I used my old pc first with a 6 core amd phenom 3.2ghz and it warped 3000x faster, but with my intel quadcore laptop only 400x faster. Could that be it? AMD or Intel? |
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spider-j
Registered: Oct 2004
Posts: 498 |
@Exile: ChadGPZ will know better, but I guess VICE is probably still very much "single threaded" (maybe 2?!?):
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chatGPZ
Registered: Dec 2001
Posts: 11390 |
That is very much true for the SDL port - GTK is multithreaded though ;) |
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