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- 30 Aug 2018

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I've seen a couple of approaches to dealing with this instability namely:

- Using an AVX offset.
- Not testing with p95 AVX

2 is a valid option, but it also begs the question who gets to decide what is and what isn't stable and how can you say your CPU is stable if you don't test for stability in all things?

I personally don't think being stable in P95 AVX is necessary due to the unrealistic nature of the test for everyday workloads. If you chase AVX stability in P95 you end up using such high vcore for everything else that you end up artificially limiting your oc through voltage or heat output anyway. An AVX offset that allows you to run prime 95 AVX is also going to be aggressive compared to the kind of offset needed for regular AVX loads.

Ideally there would be a way to overclock the CPU for non AVX workloads while retaining stability in the kinds of AVX workloads you see in day to day activities. If you can do this AND find stability when running prime then that would be, imho, the perfect overclock.

So i want regular software to run at my max overclock of say 5.4GHz while also allowing reasonable AVX loads like BF5 and Realbench to run AVX at 5.4GHz. I also want to know that i wont run into a situation where AVX use becomes so high that it has the potential to introduce instability.

I was browsing reddit and I think I have found exactly what I am looking for. I can't test it right now because I'm waiting on a replacement die frame but I intend to try it as soon as I'm able.

https://www.reddit.com/r/overclocking/comments/a7ef1q/using_power_limits_for_avx_stability_on/

In the reddit post the person overclocks for stability and then controls AVX power consumption and heat output by setting power limits. This looks like the solution to being able to run AVX instructions in BF5 and realbench at max OC frequency, while also keeping P95 AVX and other power virus loads stable.

Yes the draw back is that P95 won't score as high or run as fast compared to an unlimited overclock, but so long as the limits imposed don't affect any other software then you are trading speed in P95 for high speed in anything less demaning, while ensuring absolute stability in every workload.

Is this crazy? It seems like a have your cake and eat it solution.