Quote from: integrale on February 28, 2017, 04:49:14 PM

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Xubuntu 16.04LTS GCC 5.4.1 AMD Athlon II x2 240

Cpuminer-opt 3.5.10

Built with -march=btver1 compiling with -march=core2 makes no difference , same result both arches choosen working on this CPU

algos they work or not

timetravel OK
neoscrypt OK
decred OK
blake2s OK
x17 Fail
m7m OK
c11 Fail
blakecoin OK
sib Fail
x11evo Fail
veltor OK
yescrypt Fail
nist5 OK
groestl OK
Qubit Fail
x13 Fail
x14 Fail
x15 Fail
Quark OK
myr-gr OK
skein OK
keccak OK
xevan Fail
hmq1725 Fail
lyra2rev2 OK
lyra2z Fail

hope this help someone

Thanks. That was a lot of work, very much appreciated. It will help with my testing.
I don't often test for these architectures.

Edit:

I've tested the algos that failed for you on a i7-6700K compiled with gcc 4.8 using -march=core2 and they work.
You can retest hmq1275 in the next release. Some of the other algos have the same bug that caused x11 to crash
on Windows (The x11 bug affected only AVX2, not an issue on your x2). How did those algos fail?
Did the miner crash? Produce rejects? Do something else?