5 hours ago, Ixoye said:

Strange, isn't the game optimized for AMD considering the Xbox? all 20 threads are in use on my 10900k since SU5.

Yep, it is really weird. 4 threads are really being used, most of the others are flat, and a couple with nearly no utilization, likely background tasks. 

10 hours ago, RandallR said:

Since the hotfix, the sim has been running better than ever for me.  However, I've seen a number of posts where users mention that their CPU and GPU resources are grossly under-used and that is the same for me.  I also receive the "Limited by Main Thread" notification - on average, the sim is now using about 16% of my CPU resources and about 29% of my GPU, wasting a ton of my resource capability (and I have an older system).

Is this main thread bottleneck something that will be removed in the future?

 

I doubt that this bottleneck can be removed. There will always be a need for a controller to coordinate all the different threads, and that's what this Main Thread is likely responsible for. A CPU with a smaller number of cores but each core running at higher speeds might help. That's why the AMD 5900x often scores better than the 5950x in gaming benchmarks, or why Intel was able to remain the best CPU for gaming until recently.

Edited August 9, 20214 yr by orchestra_nl

21 hours ago, Nyxx said:

Do you open resorce monitor to see whats happening on all cores?

OK... now this is interesting.  I just activated the Resource Monitor in flight for the first time.  It indicates that all 7 cores are being used!  Usage appears to range from a low of 40% with the highest around 80%.

2 hours ago, RandallR said:

OK... now this is interesting.  I just activated the Resource Monitor in flight for the first time.  It indicates that all 7 cores are being used!  Usage appears to range from a low of 40% with the highest around 80%.

Sounds fine.

So the image below is the FBW A320 at FL360. I thought the workload may have been more evenly spread across the cores after SU5 (understanding that a primary core will still do most of the lifting).

Is this generally in line with what people are seeing?

Well - as software developer: It's not really easy to program parallel tasks/threads. I think Asobo is doing a good job in using the cores, nevertheless you will always have a main thread coordinating stuff - and thats the one who's limiting if you are not GPU limited.

Easy fix: switch to 4K 🙂

With SU5 they took load of the GPU. I was GPU bound all the time in 4K@Ultra before, now I see quite often "Limited by main thread".

@michaelrey Seems fine to me.

Edited August 10, 20214 yr by swiesma

3 minutes ago, swiesma said:

@michaelrey Seems fine to me.

Thank you Stefan.