The error of the training about arcface

[LONG520520]

hello：
When I was training arcface's second epoch, what was the reason for this?

This is the visual diagram of training:

[msalman95]

I have the exact same issue, the Loss either goes to 0 or to NaN for arcface. Did you find the the solution for this?

[EduanKK]

I have the exact same issue, the Loss either goes to 0 or to NaN for arcface. Did you find the the solution for this?

I have same issue. In all arcface, sphereface, cosface loss.