Shengxi Li

question about formula derivation

1

Hi, @wy1iu, sphereface is quite a great work and i have some questions about the formula derivation in margin_inner_product_layer. Such as in "margin_inner_product_layer.hpp" file, why set "sign_0 = sign(cos_theta)", "sign_1...

combine with sphereface

11

@happynear hi, how can i combine the normface with sphereface, could you give me some help?

With PCA

1

Hi, @goodluckcwl , Could you give me a help of how to use PCA to reduce the feature dimension and the final feature dimension you reduced?

fp8 vs bf16

2

Why doesn't the use of float8 data precision result in a noticeable speed increase when compared to using bfloat16 data precision?