Quote from: iDisturbia on February 27, 2020, 03:07:39 AM

Quote from: kerney666 on February 25, 2020, 11:18:41 PM

x16rv2 is much more taxing than simple ethash. Like ku4eto asked, what adjustments/tests have you made with clocks and voltage?

Thanks for reply.

I’m still learning ... lots of lots of reading and empty bottle of Advils!!

And, I just learned that x16vr2 is more taxing than ethash - thank YOU for that.

Yes, last evening I under-volted my GPUs (RX580 x 13) and system became 100% stable.

It was very late so I didn’t get a chance to see if it lowered hash level. But, I was wondering if there was any built-in switches that I could add instead of messing around with my GPU settings. Based on my own experience, this miner is the only one with this issue and I cannot find any other similar tool with x16vr2 support.

Prob want to change your thinking on this a bit - neither miners, nor software utilizing GPUs in general (e.g. games) are inherently unstable unless they are buggy (this miner is not.) Instead, any time a piece of software crashes your GPUs, it's because the settings of the GPU don't match the demand placed on it by the software (or in the extreme case, the GPU settings are dialed beyond hardware capabilities.)

Just like different games have different workload profiles, so do different algorithms, as do different miners even for the same algorithm. x16r class algos are actually a combination of multiple algorithms with different workload profiles (intended to deter asic development,) and as such is one of the hardest algos to tune for. In addition, this miner in particular is a highly tuned piece of software compared to others, and squeezes more performance out of the card for any given GPU settings, but will require detailed attention to GPU settings at higher performance levels.

Bottom line, you'll need patience to tune for x16rv2 as you're really tuning for 16 different algos at once, unless you want to just dial your voltage-to-clocks ratio way up (which would be wasteful/inefficient.)