Opteron Miners be sure to update to XMRig 5.1.0 from 5.0.1.

It has improved my hash rates by:


Gain of 7.4% for a Dell R815 Server with 4x Opteron 6378's. Hash Rate goes from 11270 H/s (5.0.1) to 12104 (5.1.0)


Gain of 8.0% for a Dell R815 Server with 4x Opteron 6348's. Hash Rate goes from 10696 H/s (5.0.1) to 11555 (5.1.0)


Gain of 9.7% for a Supermicro Server with 2x Opteron 6376's (OCed +15%). Hash Rate goes from 6056 H/s (5.0.1) to 6643 (5.1.0)