The information here was obtained from this video and this Twitter thread.The biggest problem this occurs when OBS starts seeing something unusual that seems it requires a lot of processing power, causing massive frame rate drop as a result, for examples massive rain particles or particles of animated sand are the biggest offenders in this case as they require a lot of processing. I was wrong, it was actually the new DX12 compositing in Windows 10 that messes things up And yes, this problem has been documented before ( ), but the real problem here is that Windows 10 is taking up more GPU resources and that is causing more problemsĮdit 2: Fixed a part about Windows 7 not using the GPU. This is of course more complicated and expensive, so you should do this as a last resort especially if you aren't doing this as a job/for money.Įdit: Multi-GPU setups are also not immune, as the GPU for the game/display has to be the same one that is used for OBS. Your last resort will have to be using a second PC and capture card to stream(NDI over OBS is not an option, as it requires OBS on the bottlenecked PC). These might not give enough GPU power for OBS though. Turn off extra Windows 10 animations/effects.Turn off Windows 10 Game Capture (thanks /u/Vile35).Cap the framerate of the game you are playing.How can you fix this? Well, you have a couple options, and not all of them are perfect: This gets worse if you have fancy overlays, have multiple webcams, use multiple monitors, and have any other GPU hardware accelerated programs open. So if you are streaming your game on Windows 10 at high settings playing at a high resolution, that is 3 different programs fighting for GPU resources. which makes priority management for GPU resources wonky. This is good because it allows the CPU to actually do task it is good at, but your GPU is unfortunately using more resources. Windows 10 made a big change to how the desktop is composited, and that is that is uses the GPU in DirectX12 instead of the CPU as Windows 7 did. However, this can cause issues for those of you who only use a single PC to stream on a Windows 10 machine with the game running at high settings/resolution. This is actually really great, and gives your CPU more room to process your game and stream(if you use x264). OBS composites the frame (your preview that you see) on the GPU. Now with that out of the way, let me explain how OBS works so you can understand why you might be having this problem. You aren't running into any bottlenecks anywhere else(buggy game, poor CPU/GPU vs high settings, etc.).Thanks to /u/iTruthful and Conceptional for the art! Clip Contest: November 4th - 18th AMA: Previously: Certified Ergonomic Specialist and an Occupational Therapistīefore I begin this explanation, two things are assumed: By posting to /r/Twitch, you accept these rules and accept that subreddit moderators reserve the right to remove posts at their discretion.No Memes, Set up, or Art post submissions.Ensure there isn't a megathread for your topic.Don’t post in a language other than English.Don’t post a link post (has exceptions).Don’t post without an informative title.Don’t create a post that’s unrelated to Twitch.Don’t post inquiring on a pending, late, or missing payment.Don’t post inquiring on a partnership application.Don’t post regarding twitch support responses.Don’t post regarding reporting an account.Don’t post regarding an account suspension outside of the permitted Ban Discussion Guidelines.
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