src/operator/pooling.cu

/*!
 * Copyright (c) 2017 by Contributors
 * \file pooling.cu
 * \brief
 * \author Bing Xu, Jun Wu
*/
#include <vector>
#include "./pooling-inl.h"
#if MXNET_USE_CUDNN == 1
#include "./cudnn_pooling-inl.h"
#endif  // MXNET_USE_CUDNN

namespace mxnet {
namespace op {

template<>
Operator *CreateOp<gpu>(PoolingParam param, int dtype) {
#if MXNET_USE_CUDNN == 1
  MSHADOW_REAL_TYPE_SWITCH(dtype, DType, {
    if (!param.cudnn_off) {
      switch (param.pool_type) {
        case pool_enum::kMaxPooling:
          return new CuDNNPoolingOp<DType>(param);
        case pool_enum::kAvgPooling:
          return new CuDNNPoolingOp<DType>(param);
        case pool_enum::kSumPooling:
          LOG(WARNING) << "Sum pooling is not supported by cudnn, MXNet sum pooling is applied.";
          return new PoolingOp<gpu, DType>(param);
        default:
          LOG(FATAL) << "unknown pooling type";
          return NULL;
      }
    }
  });
#endif  // MXNET_USE_CUDNN
  Operator *op = NULL;
  MSHADOW_REAL_TYPE_SWITCH(dtype, DType, {
    if (pool_enum::kMaxPooling == param.pool_type
        || pool_enum::kAvgPooling == param.pool_type
        || pool_enum::kSumPooling == param.pool_type) {
      op = new PoolingOp<gpu, DType>(param);
    } else {
      LOG(FATAL) << "unknown pooling type";
    }
  });
  return op;
}

}  // namespace op
}  // namespace mxnet