mmdeploy/csrc/core/utils/device_utils.h

53 lines
1.3 KiB
C++

// Copyright (c) OpenMMLab. All rights reserved.
#ifndef MMDEPLOY_TRANSFORM_UTILS_H
#define MMDEPLOY_TRANSFORM_UTILS_H
#include <utility>
#include "core/mat.h"
#include "core/tensor.h"
namespace mmdeploy {
/**
*
* @param src
* @param device
* @param stream
* @return
*/
MMDEPLOY_API Result<Mat> MakeAvailableOnDevice(const Mat& src, const Device& device,
Stream& stream);
/**
*
* @param src
* @param device
* @param stream
* @return
*/
MMDEPLOY_API Result<Tensor> MakeAvailableOnDevice(const Tensor& src, const Device& device,
Stream& stream);
// Calls stream.Wait() on destruction if active is true. This class is used to force a wait
// operation before intermediate variables goes out of scope. Add variables in consideration to the
// tailing parameter pack to ensure correctness (this make sure SyncOnScopeExit is created later
// (thus will be destructed earlier) than the variables
class MMDEPLOY_API SyncOnScopeExit {
public:
template <typename... Ts>
explicit SyncOnScopeExit(Stream& stream, bool active, Ts&&...) noexcept
: stream_(stream), active_(active) {}
~SyncOnScopeExit();
private:
bool active_;
Stream& stream_;
};
} // namespace mmdeploy
#endif // MMDEPLOY_TRANSFORM_UTILS_H