activationBackward
version(grain_cuda)
void
activationBackward
(
cudnnActivationMode_t A
T
size_t dim
)
(
Variable!(T, dim, DeviceStorage) gx ,Variable!(T, dim, DeviceStorage) gy ,Variable!(T, dim, DeviceStorage) x ,Variable!(T, dim, DeviceStorage) y ,,,)
graincudnn
functionsstructs
grad function of sigmoid/tanh ... etc wrapper