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2990WX Threadripper Performance Regression FIXED on Windows* #threadripper | Level One Techs


#42

Can you try indigo in the 1/2 numa node mode? I can test as well


#43

I’ll will put it on Github later today, source and binaries… still old one on there atm.

Will try Indigo and see what it does on the emulated NUMA.


#44

I have a 2990wx, running 64GB Ram - and am happy to test if you let me know what you’d like to look at.


#45

No worries glad you’re getting exposure.

Just watched the video. Brilliant work thank you so much for the explanation!


#46

@wendell This is pretty cool.

https://www.anandtech.com/show/13853/amd-comments-on-threadripper-2-performance-and-windows-scheduler

You’re geek famous!

It is interesting they won’t say exactly what the issue is even though you aren’t 100% correct. I’m guessing the actual deets are deep in the bowels of copyrighted code.


#47

Likely windows internals above my pay grade.


#48

What? You should have millions of theoretical dollars from these awesome videos you do. You just have to goto the Department of Internet Money to collect.


#49

In this case I think it is like horse shoes and hand grenades. Being close counts.


#50

I really wonder if this is why intel stopped at 28 cores on their 8180… insider knowledge of the windows scheduler that AMD may not have perhaps?


#51

Probably not. Is more likely to be from stuff like manufacturing nodes, heat density, etc


#52

Windows server 19 has this regression. Video soon.