09 May 2021, 11:47 | #1 |
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4.4.0 noticeably slower than 4.2.0
I am currently using WinUAE 4.2.0 and am quite satisfied with it, even if some bugs require me to fall back to 4.0.1 as an earlier version.
I am trying out WinUAE 4.4.0 (the latest big release) and I've noticed that there is a small drop in the number of frames in 3D routines in 68040 demos, and everything seems a tad slower. I can only assume there has been a fundamental change to configuration parameters that means I now have to adjust my current configs. I would like to be fully up to date, but this issue I have needs resolving to do so. |
09 May 2021, 11:55 | #2 |
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I can only imagine that with additions, fixes and more correct emulation it has a pull on resources. The real question is, is it slower than a real Amiga would be with whatever your settings are.
I'm sure Toni will correct me on this, just a thought from a user... |
09 May 2021, 12:02 | #3 |
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I have also noticed it for games and still prefer to use 4.0.1 x32 actually in this regard.
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09 May 2021, 12:10 | #4 |
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This is quite useless information. Don't skip versions, find the exact one.
(random guess: make sure FPU mode is 64-bit) |
09 May 2021, 12:17 | #5 | |
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Quote:
PS. What CPU and OS? When you last time updated your drivers? Last edited by amilo3438; 09 May 2021 at 12:22. |
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09 May 2021, 12:22 | #6 | |
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Quote:
Intel Core i3 8100, and I'm using the onboard graphics UHD 630, don't think I've seen a driver update for it for a while. |
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09 May 2021, 12:26 | #7 |
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09 May 2021, 12:39 | #8 |
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I tested it on latest WinUAE 4.9.0 Beta19 QS A4000 040 128MB Ram! (no problem at all)
And my PC is slower: E5450@3GHz, 4GB Ram DDR2, Win10, all drivers updated. (pretty old for todays standard) I guess something with your A4000 040 config must not be right! EDIT: And here you can update all your Visual C++ versions to the latest! Last edited by amilo3438; 09 May 2021 at 12:54. |
09 May 2021, 12:55 | #9 | ||
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Quote:
I've included logs from both, with exactly the same code run at the point of logging. Quote:
EDIT: What do the Visual C++ redistributables do? There's lots of them listed in my Programs and Features, they must be important. Are they drivers, or does WinUAE use them in some way? I'm curious. |
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09 May 2021, 13:15 | #10 | |
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Even it runs some 5% better (regarding the CPU usage) then latest 4.9.0 beta19! I guess you need to create a new config but on the 4.4.0 and test it again! (do not use an old 4.2.0 config to test it on 4.4.0) PS. Also, what settings is in your WinOS Power Options? (Power saver, Balanced or High performance?) WinUAE is compiled with Visual C++ (I guess), so it is better to have the latest versions! (it is not a driver, it is general routines used for programs compiled with VC++) Last edited by amilo3438; 09 May 2021 at 13:31. |
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09 May 2021, 13:53 | #11 | ||
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Quote:
Quote:
Amilo, you don't by any chance use "Fastest possible", do you? It seems to be set as default on QS. |
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09 May 2021, 14:01 | #12 |
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09 May 2021, 14:10 | #13 | |
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I do everything I can to get it running as fast as I can EXCEPT for "fastest possible", because then I can finely control it and it is a lot more stable, even if the framerate on a few demos is really lower than it could be. I used to use Fastest Possible, but it was too unstable and even some people said my FP config was wrong and not recommended. Don't remember who now. EDIT: Can't you see what is wrong in the config I provided? Everything should be laid out there. |
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09 May 2021, 14:22 | #14 | |
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Btw. I have no problem also with approximate or fastest possible! Also, you can always move the slider to the left is you encounter speed problem with fastest possible. PS. It seems to me that you are very bored today! |
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09 May 2021, 14:40 | #15 | ||
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I'll wait and see if Toni says anything about my config.
Quote:
Of course, as of now, I have a new system for adjusting the baseline config so I can tailor it for individual demos, so yeah, I could spend time converting them to various FP speeds. I did try FP just now with my current config, but the sound became garbled. Any idea how to fix that? Quote:
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09 May 2021, 14:44 | #16 |
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09 May 2021, 14:52 | #17 |
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CPU speed adjustment is the most likely reason. Behavior will change between versions. Or vsync.
Most optimal solution is variable refresh monitor (g-sync/freesync). Normal vsync usually sucks, unfortunately. |
09 May 2021, 16:29 | #18 |
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09 May 2021, 17:08 | #19 |
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Not unless you want to be in trend!
By the way, I'm not a fan of g-sync/freesync things. I can always set screen to HDMI 50Hz and all problems is gone. Last edited by amilo3438; 09 May 2021 at 17:21. |
09 May 2021, 17:11 | #20 |
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No (and they aren't that expensive).
Disable CPU speed adjustment. Any change? Disable JIT (it does not really make any sense with non-fastest mode anyway). Any change? If it still is slow: then try betas to find out the one that introduced the problem. |
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