![]() With a game like FS, there is one thread that is in charge of everything that is calculated and tasked. You WILL NOT SEE 16threads at 100% just because you have DX12 in a game. DX12 fixes SOME of these issues and allows some tasks that are linear in processing in DX11 to be done simultaneously on different threads in DX12, but that’s only SOME things, not all. 4.9ghz AMD might equal a 5.2ghz Intel, but that depends a lot on the optimization done and the instructions being asked of the CPU. IPC (instructions per clock) can make a 3.4ghz processor feel like a 3.6ghz processor, but it won’t make a 4.6ghz processor match a 5.3ghz processor. MSFS isn’t a multi-threaded workload like video processing or 3D CAD rendering, but is more of a single-threaded workload, which IPC can balance a bit, but clock speed is still king. Given AMD clock speeds are behind Intels (and even on intel, I might only put it to medium), this should be on low to loosen up the CPU for other things.ĪMD has 2 things different that they focus on different from Intel - IPC and more cores/threads. This tells me you’re using the high instrument refresh settings, which is a heavy CPU burden. If you want to know how things relate to non-FS tasks, the rules are similar, but different tasks may react better or worse.įirst thing I see in the video is “coherentgtdraw” with severe steps when looking forward and at the same time, your FPS is poorer than average. I’m trying to make it as relevant to FS and FS only as I can. ![]() There are way too many variables to go over here that make some of this back and forth. This is not meant to be a textbook answer. I’ve perused the thread and just want to offer my $0.02 here. So, I’m not sure if it’s the glass cockpit that’s causing the stuttering or just the fact that these planes are somehow otherwise more CPU intensive.Ĭan anyone here confirm a similar experience? Even when I keep the avionics/glass cockpits turned off, I still get the stuttering. Turning the refresh rate of the glass cockpit down does not eliminate the stuttering. In the developer FPS monitor, my counter turns yellow and all I see is Limited by Main Thread. I still get 50-60fps in the same situation at a big airport, but the stuttering becomes quite apparent, ruining the sense of immersion. The developer FPS counter shows all green and the experience is smooth and immersive.Īs soon as I switch to using a plane with a glass cockpit, such as the Baron, the stuttering starts. What I’ve noticed is that when I fly with the C152, the Savage Cub, or the DR400, the sim runs smooth like butter on my machine. I’m seeing the same exact issue with a 3700x and a 2070S.
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