src/profiler/nvtx.h

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */


#ifndef MXNET_PROFILER_NVTX_H_
#define MXNET_PROFILER_NVTX_H_

#if MXNET_USE_NVTX

#include <string>
#include <unordered_map>
#include "nvToolsExt.h"

namespace mxnet {
namespace profiler {
namespace nvtx {

class NVTXDuration {
 public:
  explicit NVTXDuration(const char *name) noexcept
      : range_id_(0), name_(name) {}

  inline void start() {
    range_id_ = nvtxRangeStartA(name_);
  }

  inline void stop() {
    nvtxRangeEnd(range_id_);
  }

 private:
  nvtxRangeId_t range_id_;
  const char *name_;
};



}  // namespace nvtx
}  // namespace profiler
}  // namespace mxnet

#endif  // MXNET_USE_NVTX
#endif  // MXNET_PROFILER_NVTX_H_