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[resolved] Stutter/Skipping on both cutting-edge and stable (win7/10)

posted
Total Posts
24
Tifyron
53 posts
Joined June 2014
Topic Starter
Tifyron
Fairly self-explanatory video below. I've had this kind of stutter/skipping for ages on cutting-edge, but after today's mini-update i have the same on stable (little less but highly annoying). Basically the notes skip every 0.5-1 second as is visible after about 14 seconds in the video (watch it on 60fps).

https://www.youtube.com/watch?v=QEz-msD4i-U

Specs if needed:
i7-3930k @ 4.2
32gb 1866 ram
gtx770 / 353.63
Win10 64bit
Last edited by Tifyron , edited 1 time in total.
Trosk-
Technical Support Team
5,795 posts
Joined October 2013
Trosk-
If you started to have this problem today on Stable and you alread had it on CE, maybe you are using OpenGL on Stable, because todays update didn't change almost anything (or seems like).

Well, could you change to Cutting Edge and record a video or take a screenshot with the performance graph (Ctrl+F11) opened? (If it doesn't bother you, obviously.)

Also, check that you don't have any background process taking much resources.
Tifyron
53 posts
Joined June 2014
Topic Starter
Tifyron
That video was recorded with directx on stable with every non-essential background process killed.

Some screens from cutting-edge:
120fps cap
240fps cap
No fps cap

Can record a vid if needed, but the graph tends to go nuts with red lines while recording.
Nekonyan
305 posts
Joined October 2013
Nekonyan
Have you checked your display driver?
Trosk-
Technical Support Team
5,795 posts
Joined October 2013
Trosk-
Do you see some weird points or spikes on the graph when you get the stuttering? If so, could you take a screenshot at the moment of the stuttering? Because that graphs seem pretty normal. I would have said this on my last post, I'm sorry.
Tifyron
53 posts
Joined June 2014
Topic Starter
Tifyron
No worries, i'll give as much info as i can. I've been trying to figure this out but i'm absolutely baffled by it.

Nekonyan wrote:

Have you checked your display driver?
I had the same issue on cutting-edge even when using driver versions 347.88, 350.12, and 353.30 back on win7. I didn't have any issue on stable even after upgrading to win10 with 353.63, that started after the update today.

Trosk- wrote:

Do you see some weird points or spikes on the graph when you get the stuttering? If so, could you take a screenshot at the moment of the stuttering? Because that graphs seem pretty normal.
I'm currently encoding a vid i recorded on cutting edge, will add a post when that ones done and uploaded.
Tifyron
53 posts
Joined June 2014
Topic Starter
Tifyron
Video is up. I've rotated through the various frame caps on both 1x and 0.5x speed to show as much as possible.

https://www.youtube.com/watch?v=DEKuMsTYX3A
Tifyron
53 posts
Joined June 2014
Topic Starter
Tifyron
Update since yesterday.

Ran ram diagnostic tests overnight which showed nothing wrong. Loaded the entire 18gig osu client onto a ramdisk just now and the issue persists which eliminates it being my HD/SSDs. Here's a benchmark of said ramdisk.

http://puu.sh/jljXc/6fcb30e026.png

I'm running out of things to try on my end, my gtx980ti is currently out on RMA but when i tested cutting-edge before that the same issue was present there.
abraker
Global Moderator
8,295 posts
Joined July 2014
abraker
From what I can see, it tends to spazz out with the red lines at certain intervals. Is that the issue, or are you refering to a different type of spikes?

Also, can you get process explorer and see how much of the GPU osu! uses when the spikes occur vs when spikes don't occur?
Tifyron
53 posts
Joined June 2014
Topic Starter
Tifyron
The red lines are only during recording, there are none during normal play.

GPU use hovers around 18-19% during play, no visible spikes in either process explorer or precision x/afterburner.

Edit: Just to clarify the above was on stable with directx. I've included an image below from cutting-edge, parts highlighted in blue are while playing the song with the visible stutter/skips. Both situations were with fps cap at unlimited.

http://puu.sh/jmik8/912193a06b.jpg
Tifyron
53 posts
Joined June 2014
Topic Starter
Tifyron
Just to update, same issues on b20150803-1.
peppy
19,301 posts
Here since the beginning
peppy
Screenshots of frame graph when not recording please. Also stable updates changed nothing (nor does stable performance matter, since we are dropping directx).
Tifyron
53 posts
Joined June 2014
Topic Starter
Tifyron
Screens from b20150803-2 as requested.

120fps cap
240fps cap
unlimited

GL_info.txt if needed
GL Version: 4.5.0 NVIDIA 353.62
GL Renderer: GeForce GTX 770/PCIe/SSE2
GL Shader Language version: 4.50 NVIDIA
GL Vendor: NVIDIA Corporation
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GL_SGIX_shadow GL_SUN_slice_accum GL_WIN_swap_hint WGL_EXT_swap_control
GL Context: Index: 8, Color: 32 (8888), Depth: 24, Stencil: 0, Samples: 0, Accum: 64 (16161616), Buffers: 2, Stereo: False
abraker
Global Moderator
8,295 posts
Joined July 2014
abraker
By looking at the unlimited screenshot it's hard to believe that you are having noticeable lag spikes.
Tifyron
53 posts
Joined June 2014
Topic Starter
Tifyron
That's why it is so hard to figure out. It's not that the performance in general is low or anything, but the jumps make it unplayable as it directly affects accuracy.

If you watch the last video i posted on 60fps it's very easy to see the notes jump every half second or so, and i assure you that is unrelated to the red spikes due to recording.
Tifyron
53 posts
Joined June 2014
Topic Starter
Tifyron
Probably the last video i'm going to make, completely out of ideas at this point. If there's any suggestions short of pulling out hardware, i'm all ears. :/

This is on a freshly formatted drive, on a fresh osu install, with only 1 song loaded, no skins loaded, and all options turned down. Reverted to an earlier nvidia driver, which made no difference. Installed the latest audio drivers, mobo drivers, and so on.. and even turned off my cpu overclock.

https://www.youtube.com/watch?v=_FjwBXGhHXQ
peppy
19,301 posts
Here since the beginning
peppy
At 240fps I don't see any stuttering in that video. Am I missing something?
Tifyron
53 posts
Joined June 2014
Topic Starter
Tifyron
The jumps are definately there, if anything it is slightly less at unlimited (still unplayable however). I'm playing on a 120hz monitor and it's worse than the video shows even.

I tried recording a video at 120fps before that one but it was messing with performance too much to be an accurate representation of the issue.
Tom94
osu!dev
750 posts
Joined August 2012
Tom94
Are you running on multiple monitors, some of them with a lower-than-120hz refresh rate? If yes, then that's the problem. With windows 10 if you have a window (e.g. TeamSpeak 3 is a known offender, or even the taskbar) doing some animation on another screen, then your main screen falls back to 60hz. This unfortunately is an issue with windows itself.

The only way to completely get rid of this is to run osu! in fullscreen mode. If you prefer osu! to still be run in a smaller window than fullscreen, then you can try the cutting edge or beta release streams. We have a letterboxing feature there which lets you achieve this while in fullscreen mode.

An alternative would be to try disabling your taskbar for all screens except for your main screen and see whether this helps. This won't fix remaining issues with other programs such as TeamSpeak 3.
Tifyron
53 posts
Joined June 2014
Topic Starter
Tifyron
I'm running 2 at 120, a samsung S27A950D + acer GD245HQ. I've tried them separately with the other unplugged, tried killing everything in the background including explorer, running a single one at 60hz, and running osu in fullscreen with 1@120hz/1@60hz/2@120hz/2@60hz.

The interesting thing is that i had this issue with stutters on cutting-edge before i upgraded to win10.

I'm going to do a fresh install of both win7 and win10 on dualboot after the weekend, i was contemplating doing that for a while now and this gives me a reason to. I have a feeling that whatever was causing this on win7 got transferred over during the upgrade to win10 in the first place, so i'll report back here after the reinstall is done.
Tifyron
53 posts
Joined June 2014
Topic Starter
Tifyron
Back with an update. Took a bit longer than expected but i have reinstalled win7, first couple tests on nvidia driver 355.60 are not looking good as the stutter/skipping is still there.

This is basically a fresh fully updated win7 with nothing installed except drivers, the SSD it is installed on only has windows and osu on it. I did a bunch of tests with only my main monitor hooked up at 60hz and 120hz in both fullscreen and windowed mode, it made no difference. Tested on both stable and cutting-edge.

I do want to add that osu is the only game that is having stutter/skipping issues like this. My other server pc (i7-920/gtx580) has no issues, and i've been playing on that one out of necessity since these issues with my main pc continue to happen (not really an option long-term for various reasons). I'm probably going to pull the 580 out of there and test it in my main pc, but i very much doubt that is going to do anything.
Tifyron
53 posts
Joined June 2014
Topic Starter
Tifyron
Another update, I've narrowed it down to being a sound related issue. I've ditched Win10 for now (too many other issues) so this is on Win7.

Basically any song that is a 100% hit sounded map like Imperishable Night has no stutter whatsoever and runs 100% smoothly. Any other song that has music in the background still has stutter regardless of settings in-game (fps cap/volume/etc).

More importantly, the problem has lessened significantly with some of the later cutting edge updates, I don't know which one specifically since I didn't update the one on this pc for a week and a half or so. It is still unplayable with the stutter however, just not completely nauseating to look at like before.

Things tested:
- Any possible combination monitor resolutions, screen refresh, and single/dual screen (tested this again just in case, but didn't change anything).
- Multiple sound drivers tested (base version, updated through win7, and the very latest directly from the vendor website), no difference between any of them so I just kept the very latest version.
- Sound outputs, no difference between optical/direct and any combination of speaker/amp/headphones I had available to swap.
VeilStar
osu! Alumni
4,773 posts
Joined April 2014
VeilStar
Sounds like an issue with your sound drivers, or something related to that. While I didn't have a close enough look a few months back, you can clearly see all notes stopping to fall down for a split second now and again.
Tifyron
53 posts
Joined June 2014
Topic Starter
Tifyron
Final update, no issues on cutting-edge since a week or so.

Whatever changes have been made behind the scenes seem to have fixed the issues (hopefully it stays that way).

Feel free to mark this as resolved.
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