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#ifndef CUDADataFormats_SiPixelCluster_interface_gpuClusteringConstants_h
#define CUDADataFormats_SiPixelCluster_interface_gpuClusteringConstants_h
#include <cstdint>
#include <limits>
namespace gpuClustering {
#ifdef GPU_SMALL_EVENTS
// kept for testing and debugging
constexpr uint32_t maxHitsInIter() { return 64; }
#else
// optimized for real data PU 50
// tested on MC events with 55-75 pileup events
constexpr uint32_t maxHitsInIter() { return 160; } //TODO better tuning for PU 140-200
#endif
constexpr uint16_t clusterThresholdLayerOne = 2000;
constexpr uint16_t clusterThresholdOtherLayers = 4000;
constexpr uint32_t maxNumDigis = 3 * 256 * 1024; // @PU=200 µ=530 σ=50k this is >4σ away
constexpr uint16_t maxNumModules = 4000;
constexpr uint16_t invalidModuleId = std::numeric_limits<uint16_t>::max() - 1;
constexpr int invalidClusterId = -9999;
static_assert(invalidModuleId > maxNumModules); // invalidModuleId must be > maxNumModules
} // namespace gpuClustering
#endif // CUDADataFormats_SiPixelCluster_interface_gpuClusteringConstants_h
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