Aurora Bug Reports Discussion

Reason: Minor Issue
Version of Aurora: 1.8.0.0
Subject in Short: High cpu usage while idle

Full Details:
I couldn't help but notice Aurora was using 80% of a CPU core and 20-30% of GPU when I was looking at task manager for something unrelated.
I disabled hardware acceleration and that got rid of the GPU usage but the CPU load remains.
When on the home/start screen Aurora uses ~80% of 1 core continuously, when switching to a trainer screen it drops to 20-25% ish of a single core.
80% when doing nothing shouldn't really be a thing but the 20-25 is also a little much for 'it's not supposed to be doing anything right now'.
Trainer active or not has no impact.
Window in or out of focus makes no difference either.

It also really loves to use 'CPU 15' which is the 16th core out of 24 on my 10920X CPU. Doubt that means anything but I figured I'd mention it anyway.
Due to the drop when switching screens I'm assuming this is just something with the UI rendering (and not a hidden crypto miner conspiracy 😜 )

Aurora itself is working just fine. So just a minor issue.

I dont have much or any control over the rendering. It's all up to the WPF framework. But I also cannot reproduce it either. For me Aurora is using 1-2% of the CPU.

We can easily test if its really the rendering. You only need to minimize the Aurora window. Then CPU usage should drop to <1%.

Minimized it drops to almost nothing.

The 1-2% is misleading by the way, because Microsoft likes to hide what's really going on in the background so the lesser informed people won't freak out
For me it is 1-2% with a trainer selected and 4-5% when looking at the home screen.
But it is 2% of 24 cores in my case
100% = 24 cores at 100% load
1 core at full load is 100/24 = ~4.17%
So I think you are possibly actually seeing it ?
See attachment, I annotated the screen grab from the performance tab.

btw if it IS -just- me then it's not really worth pursuing and we'll leave it at that, CPU can handle it just fine and its not putting a load on the GPU.

If you open a trainer or visit another page in Aurora then its normal that the CPU usage will shortly go higher. But after the page is loaded the cpu usage should go back to normal again. WPF typically only renders when something has changed. And even then it may not when the window is in background (visible but not focused).

From time to time we have someone reporting high usage but these are exceptions. And I really don't know what's causing it. Maybe there is a bug in WPF. Maybe its an external setting in Windows. Maybe an external software. Maybe a specific hardware combination. I'm sorry but I don't have a good solution for that problem except of minimizing Aurora window.

No worries then, as long as you're aware you might eventually run into something.

Considering it's wpf it is indeed probably some weird combination of windows settings/drivers/patches/.net versions/position of the moon relative to Mars.