Home | History | Annotate | Download | only in kernels
      1 /* Copyright 2015 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/reduction_ops_common.h"
     17 
     18 namespace tensorflow {
     19 
     20 #define REGISTER_CPU_KERNELS(type)                                             \
     21   REGISTER_KERNEL_BUILDER(                                                     \
     22       Name("Min")                                                              \
     23           .Device(DEVICE_CPU)                                                  \
     24           .TypeConstraint<type>("T")                                           \
     25           .TypeConstraint<int32>("Tidx"),                                      \
     26       ReductionOp<CPUDevice, type, int32, Eigen::internal::MinReducer<type>>); \
     27   REGISTER_KERNEL_BUILDER(                                                     \
     28       Name("Min")                                                              \
     29           .Device(DEVICE_CPU)                                                  \
     30           .TypeConstraint<type>("T")                                           \
     31           .TypeConstraint<int64>("Tidx"),                                      \
     32       ReductionOp<CPUDevice, type, int64, Eigen::internal::MinReducer<type>>);
     33 TF_CALL_REAL_NUMBER_TYPES(REGISTER_CPU_KERNELS);
     34 #undef REGISTER_CPU_KERNELS
     35 
     36 #if GOOGLE_CUDA
     37 
     38 #define REGISTER_GPU_KERNELS(type)                                             \
     39   REGISTER_KERNEL_BUILDER(                                                     \
     40       Name("Min")                                                              \
     41           .Device(DEVICE_GPU)                                                  \
     42           .TypeConstraint<type>("T")                                           \
     43           .TypeConstraint<int32>("Tidx")                                       \
     44           .HostMemory("reduction_indices"),                                    \
     45       ReductionOp<GPUDevice, type, int32, Eigen::internal::MinReducer<type>>); \
     46   REGISTER_KERNEL_BUILDER(                                                     \
     47       Name("Min")                                                              \
     48           .Device(DEVICE_GPU)                                                  \
     49           .TypeConstraint<type>("T")                                           \
     50           .TypeConstraint<int64>("Tidx")                                       \
     51           .HostMemory("reduction_indices"),                                    \
     52       ReductionOp<GPUDevice, type, int64, Eigen::internal::MinReducer<type>>);
     53 REGISTER_GPU_KERNELS(Eigen::half);
     54 REGISTER_GPU_KERNELS(float);
     55 REGISTER_GPU_KERNELS(double);
     56 
     57 // A special GPU kernel for int32.
     58 // TODO(b/25387198): Also enable int32 in device memory. This kernel
     59 // registration requires all int32 inputs and outputs to be in host memory.
     60 REGISTER_KERNEL_BUILDER(
     61     Name("Min")
     62         .Device(DEVICE_GPU)
     63         .HostMemory("reduction_indices")
     64         .HostMemory("input")
     65         .HostMemory("output")
     66         .TypeConstraint<int32>("T")
     67         .TypeConstraint<int32>("Tidx"),
     68     ReductionOp<CPUDevice, int32, int32, Eigen::internal::MinReducer<int32>>);
     69 REGISTER_KERNEL_BUILDER(
     70     Name("Min")
     71         .Device(DEVICE_GPU)
     72         .HostMemory("reduction_indices")
     73         .HostMemory("input")
     74         .HostMemory("output")
     75         .TypeConstraint<int32>("T")
     76         .TypeConstraint<int64>("Tidx"),
     77     ReductionOp<CPUDevice, int32, int64, Eigen::internal::MinReducer<int32>>);
     78 
     79 #undef REGISTER_GPU_KERNELS
     80 
     81 #endif
     82 
     83 #ifdef TENSORFLOW_USE_SYCL
     84 #define REGISTER_SYCL_KERNELS(type)                                        \
     85   REGISTER_KERNEL_BUILDER(Name("Min")                                      \
     86                               .Device(DEVICE_SYCL)                         \
     87                               .TypeConstraint<type>("T")                   \
     88                               .TypeConstraint<int32>("Tidx")               \
     89                               .HostMemory("reduction_indices"),            \
     90                           ReductionOp<SYCLDevice, type, int32,             \
     91                                       Eigen::internal::MinReducer<type>>); \
     92   REGISTER_KERNEL_BUILDER(Name("Min")                                      \
     93                               .Device(DEVICE_SYCL)                         \
     94                               .TypeConstraint<type>("T")                   \
     95                               .TypeConstraint<int64>("Tidx")               \
     96                               .HostMemory("reduction_indices"),            \
     97                           ReductionOp<SYCLDevice, type, int64,             \
     98                                       Eigen::internal::MinReducer<type>>);
     99 REGISTER_SYCL_KERNELS(float);
    100 REGISTER_SYCL_KERNELS(double);
    101 
    102 REGISTER_KERNEL_BUILDER(
    103     Name("Min")
    104         .Device(DEVICE_SYCL)
    105         .HostMemory("reduction_indices")
    106         .HostMemory("input")
    107         .HostMemory("output")
    108         .TypeConstraint<int32>("T")
    109         .TypeConstraint<int32>("Tidx"),
    110     ReductionOp<CPUDevice, int32, int32, Eigen::internal::MinReducer<int32>>);
    111 REGISTER_KERNEL_BUILDER(
    112     Name("Min")
    113         .Device(DEVICE_SYCL)
    114         .HostMemory("reduction_indices")
    115         .HostMemory("input")
    116         .HostMemory("output")
    117         .TypeConstraint<int32>("T")
    118         .TypeConstraint<int64>("Tidx"),
    119     ReductionOp<CPUDevice, int32, int64, Eigen::internal::MinReducer<int32>>);
    120 #undef REGISTER_SYCL_KERNELS
    121 #endif  // TENSORFLOW_USE_SYCL
    122 
    123 }  // namespace tensorflow
    124