* move "paddle/phi/backends/gpu/gpu_device_function.h" to phi

* update copyright years

* rm "fluid/platform/device/gpu/gpu_device_function.h" in phi

* fix rocm-complie bugs

* rm "paddle/fluid/platform/dynload/cudnn.h" in phi

* rm "paddle/fluid/platform/dynload/mklml.h" in phi

* rm "paddle/fluid/platform/dynload/rocblas.h" in phi

* replace "paddle::platform::dynload::" with "phi::dynload::" in phi

* revert "blas_impl.cu.h"

* fix softmax int64

* follow comments

* Optimize the computation of log_softmax

* modify the var name

* Optimize performance of log_softmax

* delete unity build

* modify to phi

* fix

* fixfixfixfix

* fix

* fix

* fix

* fix

* simplify

* fix

* fix enforce

* add softmax log_softmax

* refine rocm

* refine unittest

* support cudnn kernel moving

* polish cmake rules

* add unittest for coverage

* remove orig kernel

* remove softmax cudnn kernel

* fix softmax test failed

* fix npu func error

* resolve conflict

* rename gpu dnn kernels

* fix name rule error

* fix compile error

* update fp16 namespace

* Optimize performance of softmax_bwd when axis!=-1

* fix

* fix

* fix

* fix

* Optimize performence of softmax_fwd when axis!=-1

* use functor

* support hip

* fix functor

* refine structure for cuda and rocm

* update

* update

* update

* update

* softmax backward optimize

* optimize softmax forward

* vec softmax fw

* vec softmax bw

* add a message argument for compiler compatibility