Assert that we don't create duplicated DMatrix.

Validate output for predict leaf tests.

Accept a connection from a peer (incoming), receiving their rank.

* @brief Gathers variable-length strings from all processes and distributes them to all processes. * @param input Variable-length list of variable-le

Binary search

* @brief Get the number of bytes for the i^th page. */

* @brief Check whether we should configure `min_cache_page_bytes`. * * Defined by @ref AutoCachePageBytes . */

Default size of the cached page, 1/8

* @brief Verify all partitioners have the same set of leaf nodes. * * For external memory, each batch has its own partitioner, but the tree structur

! * \brief Check if the descriptor is ready for read * \param fd file descriptor to check status */

Check that sampling mask was correctly applied from split gradient to value gradient.

Validate that value gradients are reweighted using the provided threshold and reg_abs_grad.

clear up things

! \brief clear the page */

* @brief Collapse a non leaf node to a leaf node, delete its children * * @param nidx Node id * @param value The new leaf value */