PC [BUG] Frame Stuttering

CheeseBurger_

Greenhorn
Hi all, I have found an issue that is slightly frustrating as it is very distracting.

Info:
Walking around, the frame appears to freeze for a split second. It happens about every second while walking. There is no way that my computer can't handle this game as the specs are far above the recommended. The game is playable, but I start getting slightly motion sick after a while due to the jittering.

PC Specifications:
- GTX 1050TI
- 16GB 2666mhz DDR4 Ram
- AMD Ryzen 1600AF
- Stardew is installed on Hard Drive (Not SSD)

Other Info:
- Latest version of Stardew Valley
- Singleplayer World
- Happens every second
- Turning off V-Sync reduces the intensity of the glitch

Demonstration of the Problem:
- Watch in full screen to see the effect clearly
- Video of the problem

How I Fixed the Issue With no External Software (Permanently):
This only works if you play Stardew Valley through Steam. I'm using Windows 10, so I'm not sure if it works on Mac or not.
- Go to the launch page for SDV in Steam
- Select the Gear Icon, right next to the information icon and the star.
- Select the general tab
- Under launch options, type: "-threads 1,2,3,4,5,6,7,8,9,10,11" (THIS IS WHAT I USE FOR MY 12 THREAD CPU).
- If you have, say, six threads, then you would enter this: "-threads 1,2,3,4,5"
- Or if you have sixteen threads, then you would enter something like this: "-threads 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15"
- You're simply excluding the final thread. (num. of threads - 1)

Temporary Fix:
- While Stardew Valley is running:
- Press CTRL + Shift + ESC (Should open Task Manager)
- Select Details
- Scroll through the list until you find Stardew Valley. Right click it and select "Set Affinity"
- Uncheck "CPU 0"
- Select OK, then right click SDV in the Task Manage once more, go to "Set Priority" and put it to "High"
 
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CheeseBurger_

Greenhorn
Try limiting your FPS to 60 with RTSS. I saw a similar issue. see https://forums.stardewvalley.net/th...usage-and-temps-fixed-with-a-workaround.6399/
I tried this, but it only reduced the stuttering. But I did figure out one way to fix it completely, although it has to be done every single time you start the game:
- While Stardew Valley is running:
- Press CTRL + Shift + ESC (Should open Task Manager)
- Select Details
- Scroll through the list until you find Stardew Valley. Right click it and select "Set Affinity"
- Uncheck "CPU 0"
- Select OK, then right click SDV in the Task Manage once more, go to "Set Priority" and put it to "High"

Unfortunately, this must be repeated every time you load Stardew Valley. I wonder if it's a problem with Ryzen/AMD CPU's?
 

theluckynickel

Greenhorn
I have tried all fixes and all to no luck. I'm starting to think that it may be due to the game being stored on an external SSD I'll move it over and see if it works, if it does then I'll post here again and that may help people in the future.

Edit: Can Confirm that moving to an internal SSD Fixed my issues.
 
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