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Duane Merrill (NVIDIA) - GPU Technology Conference

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Redundant expansionfactor (log)Local duplicate cullingContraction uses localcollision hashes in smemscratch space:10SimpleLocal duplicate cullingHash per warp(instantaneous coverage)4.2xHash per CTA (recenthistory coverage)2.4x2.6xRedundant work < 10% in alldatasetsNo atomics needed11.1x1.7x1.2x 1.1x1.4x1.1x1.3x53

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