What is SPURS and the impact on Intel / AMD

Hi there,

I have been watch some thread about performance issues, and some recomendations is the SPURS threads.

From Wiki:
Maximum number of SPURS threads
Unlimited
Limits the maximum number of SPURS threads in each thread group. May improve performance in some cases, especially on systems with limited number of hardware threads.
Limiting the number of threads is also likely to cause crashes. It's recommended to keep this at default value.


But exactly what it means in terms of SPURS thread vs CPU Threads ....  it is something like

5 Spur Thread -> 1 SPURS Thread Group ->  1 CPU thread ?

I don't quite understand the relation between SPURS Thread / SPURS Thread Group and CPU Threads.

Less Spurs threads less bottleneck on CPU thread ?

This because I find that AMD ryzen Thread management to be inferior than Intel's one, almost that RPCS3 stalls the CPU threads if they reach 100% use and freezes .
I find better results limiting everything in RPCS3, than leaving to Auto. ( I have AMD Ryzen 5 2600 stock ).

Does this have anything to do with the SPURS and RPCS3 overflooding the CPU threads causing stability issues ?


Thank you!