! \brief Get sum of gradients of current leaf */

! \brief Get sum of gradients of current leaf */

! \brief Get sum of hessians of current leaf */

! \brief Get sum of hessians of current leaf */

Enqueues a kernel for execution. \see_opencl_ref{clEnqueueNDRangeKernel}

! * \brief Get the default bin when value is 0 * \return default bin */

! * \brief Get the default bin when value is 0 * \return default bin */

Returns the ID of the device.

Enqueues a command to unmap \p buffer from the host memory space. \see_opencl_ref{clEnqueueUnmapMemObject}

Enqueues a command to map \p svm_ptr to the host memory space. \opencl_version_warning{2,0} \see_opencl2_ref{clEnqueueSVMMap}

Enqueues a command to unmap \p svm_ptr from the host memory space. \opencl_version_warning{2,0} \see_opencl2_ref{clEnqueueSVMUnmap}

Returns \c true if the device supports the extension with \p name.

Returns the width of the image.

Returns the height of the image. For 1D images, this function will return \c 1.

Seeds the random number generator with \p value. \param value seed value for the random-number generator \param queue command queue to perform the op

! * \brief Get pointer of label * \return Pointer of label */

! * \brief Get pointer of label * \return Pointer of label */

! * \brief Get number of data on one leaf * \param leaf index of leaf * \return number of data of this leaf */

! * \brief Get number of data on one leaf * \param leaf index of leaf * \return number of data of this leaf */

Fall here if no OPENMP support, so just simulate a single thread running. All #pragma omp should be ignored by the compiler **/

Fall here if no OPENMP support, so just simulate a single thread running. All #pragma omp should be ignored by the compiler **/

Recursively add thresholds.

Returns \c true if the device OpenCL version is major.minor or newer; otherwise returns \c false.

\internal_

Enqueues a command to map \p buffer into the host address space. Event associated with map operation is returned through \p map_buffer_event parameter

Enqueues a kernel to execute using a single work-item. \see_opencl_ref{clEnqueueTask}

Update Booster for one iteration. Parameters ---------- train_set : Dataset or None, optional (default=None) Trai

Returns the number of compute units in the device.

Docstring is inherited from the LGBMModel.

! * \brief Get the data indices of one leaf * \param leaf index of leaf * \param indices output data indices * \return number of data on this

! * \brief Get the data indices of one leaf * \param leaf index of leaf * \param indices output data indices * \return number of data on this

Maps the buffer into the host address space. \see_opencl_ref{clEnqueueMapBuffer}

! * \brief Get weights, if not exists, will return nullptr * \return Pointer of weights */

! * \brief Get weights, if not exists, will return nullptr * \return Pointer of weights */

Enqueues a command to write data from host memory to \p buffer. \see_opencl_ref{clEnqueueWriteBuffer} \see copy()

Returns a C-string description of the error.