Finally I can test and confirm that AMD has fixed the issue with slowdown at high DAG epochs for Vega/Polaris/Fiji cards. They are going to release new drivers in a few days.
what you know about when new drivers for polaris, this question interests many
And possible increase hashrate with optimization on new version for polaris, pascal ?
yeah..
beta driver works with 9.8

Please) you can give link ? very very need
