/** @brief Radix Sort Plan constructor
*
* @param[in] mgr pointer to the CUDPPManager
* @param[in] config The configuration struct specifying options
* @param[in] numElements The maximum number of elements to be sorted
*/
CUDPPRadixSortPlan::CUDPPRadixSortPlan(CUDPPManager *mgr,
CUDPPConfiguration config,
size_t numElements)
: CUDPPPlan(mgr, config, numElements, 1, 0),
m_bKeysOnly((m_config.options & CUDPP_OPTION_KEYS_ONLY) != 0),
m_bBackward((m_config.options & CUDPP_OPTION_BACKWARD) != 0),
m_scanPlan(0),
m_tempKeys(0),
m_tempValues(0),
m_counters(0),
m_countersSum(0),
m_blockOffsets(0)
{
size_t numBlocks2 = ((numElements % (SORT_CTA_SIZE * 2)) == 0) ?
(numElements / (SORT_CTA_SIZE * 2)) : (numElements / (SORT_CTA_SIZE * 2) + 1);
CUDPPConfiguration scanConfig =
{
CUDPP_SCAN,
CUDPP_ADD,
CUDPP_UINT,
CUDPP_OPTION_FORWARD | CUDPP_OPTION_EXCLUSIVE
};
m_scanPlan = new CUDPPScanPlan(mgr, scanConfig, numBlocks2*16, 1, 0);
allocRadixSortStorage(this);
}
CUDPPRadixSortPlan::CUDPPRadixSortPlan(CUDPPConfiguration config, size_t numElements)
: CUDPPPlan(config, numElements, 1, 0),
m_scanPlan(0),
m_tempKeys(0),
m_tempValues(0),
m_counters(0),
m_countersSum(0),
m_blockOffsets(0)
{
size_t numBlocks2 = ((numElements % (SORT_CTA_SIZE * 2)) == 0) ?
(numElements / (SORT_CTA_SIZE * 2)) : (numElements / (SORT_CTA_SIZE * 2) + 1);
CUDPPConfiguration scanConfig =
{
CUDPP_SCAN,
CUDPP_ADD,
CUDPP_UINT,
CUDPP_OPTION_FORWARD | CUDPP_OPTION_EXCLUSIVE
};
if(m_config.options == CUDPP_OPTION_KEYS_ONLY)
m_bKeysOnly = true;
else
m_bKeysOnly = false;
m_scanPlan = new CUDPPScanPlan(scanConfig, numBlocks2*16, 1, 0);
allocRadixSortStorage(this);
}