1 /* Copyright 2016 The TensorFlow Authors. All Rights Reserved.
2
3 Licensed under the Apache License, Version 2.0 (the "License");
4 you may not use this file except in compliance with the License.
5 You may obtain a copy of the License at
6
7 http://www.apache.org/licenses/LICENSE-2.0
8
9 Unless required by applicable law or agreed to in writing, software
10 distributed under the License is distributed on an "AS IS" BASIS,
11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 See the License for the specific language governing permissions and
13 limitations under the License.
14 ==============================================================================*/
15
16 #include "tensorflow/core/kernels/cast_op_impl.h"
17
18 namespace tensorflow {
19
20 typedef Eigen::ThreadPoolDevice CPUDevice;
21 typedef Eigen::GpuDevice GPUDevice;
22
GetCpuCastFromHalf(DataType dst_dtype)23 CastFunctorType GetCpuCastFromHalf(DataType dst_dtype) {
24 CURRY_TYPES3(CAST_CASE, CPUDevice, Eigen::half);
25 return nullptr;
26 }
27
28 #if (defined(GOOGLE_CUDA) && GOOGLE_CUDA) || \
29 (defined(TENSORFLOW_USE_ROCM) && TENSORFLOW_USE_ROCM)
GetGpuCastFromHalf(DataType dst_dtype)30 CastFunctorType GetGpuCastFromHalf(DataType dst_dtype) {
31 #if defined(MLIR_GENERATED_GPU_KERNELS_ENABLED)
32 CAST_CASE(GPUDevice, float, bfloat16);
33 #else
34 CURRY_TYPES3_NO_BF16(CAST_CASE, GPUDevice, Eigen::half);
35 #endif
36 return nullptr;
37 }
38 #endif // GOOGLE_CUDA || TENSORFLOW_USE_ROCM
39
40 } // namespace tensorflow
41