Post
Topic
Board Mining (Altcoins)
Re: [ANN]: cpuminer-opt v3.5.11, open source optimized multi-algo CPU miner
by
denravonska
on 01/03/2017, 18:53:08 UTC
the algos which gonna fail

miner stops after checking first block , crash is then reported by miner as illegal instruction

3.5.11 tested , same results as in 3.5.10 nothing changes for Amd cpu

Thanks for testing. I think I've done all I can to get thosre old AMDs to work.

An illegal instruction usually means the CPU hasn't implemented it, often when trying to
ue AES instructions on a CPU that doesn't support AES. In this case it appears these AMD
CPUs don't have the full SSE2 implementation.

Even if there was a way for the compiler to detect this condition the result would be a build
without any optimizations, ie it would be the same as cpuminer-multi.

My recommendation is to use cpuminer-multi on those algos.

Oh, I didn't realize my Athlon64 was _that_ old, failing at SSE3 instructions. Reverting back to 3.4.12 then Smiley