Class CrossEntropySoftmaxBackwardParams

experimental/kernels/ops.cpp:432–437

                                       float* dlosses, float* probs, int* targets,
                                       int B, int T, int V, int Vp){
  struct CrossEntropySoftmaxBackwardParams {
    uint32_t B;
    uint32_t T;
    uint32_t V;
    uint32_t VP;
  };
  unsigned long b = static_cast<unsigned long>(B);
  unsigned long t = static_cast<unsigned long>(T);
  unsigned long v = static_cast<unsigned long>(V);