Patrick did a nice writeup back in March:
Monero Mining Benchmarks - CPU Mining With AMD Ryzen 7 Systems
AEON Mining Performance
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Monero Mining Benchmarks - CPU Mining With AMD Ryzen 7 Systems
E5 2670 was at $90-95 this summer. So $110-113 for 2660v2 was reasonable price.
I have been playing around with the setup a bit and found a few percent of "free" performance for my dual AMD Epyc 7301 
The best setting I found was using only 7 threads instead of 8 per NUMA node, but distributed across all 8 available hardware threads. The calls look like this:
With this setting each node puts out a sustained hash rate of 1235-1240H/s instead of ~1185H/s when I used 8 threads per worker.
Power draw sits around 325W according to the Brennenstuhl PM 231e.
The best setting I found was using only 7 threads instead of 8 per NUMA node, but distributed across all 8 available hardware threads. The calls look like this:
Code:
thrperinst=7
nohup taskset -c 0-3,32-35 ./xmrig_01 -a cryptonight-lite -o ***STH Aeon pool*** --donate-level=1 -u $wally -p $password -t $thrperinst &> nohup_01.out &Power draw sits around 325W according to the Brennenstuhl PM 231e.
How much RAM do you have in your PC? I've seen reports of this happening on machines with 4GB of RAM or less.
So, it's running but it doesn't look like it's very happy.
You should probably create a new thread for this issue. This one is mostly for documenting performance numbers. Attach the screenshots there and specify which version(s) of the software you're running.
This is ok. The error is from a node that doesn't have a fully synched blockchain. bugs the hell out of me. should be fixed in the rebase... I hope
1x AMD Ryzen 1600x = 2060 H/s using the xmrigCC version which gave me a boost of 260 H/s. Before I was using xmrig and the top speed was 1800 H/s. If you are cpu mining check the release cuz you can use every single MB of cache and core and also there is nice dashboard to configure your miners. You will thank me later.
Releases · Bendr0id/xmrigCC · GitHub
Releases · Bendr0id/xmrigCC · GitHub
Default donation 5% (5 minutes in 100 minutes) can be reduced to 1% via command line option --donate-level.
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Better yet just build from source and make this zero or some fraction: xmrigCC/donate.h at master · Bendr0id/xmrigCC · GitHub
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Ever feel like 2 people just signed up on forums to pimp their product?