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trantalaiho edited this page Apr 26, 2013 · 3 revisions

Welcome to the Cuda-Histogram wiki!

Below are current performance graphs for normal histograms with different input key-distributions (random has simply uniformly random numbers spread out to all bins, degenerate has always 100 consecutive keys degenerate and load, loads a texture data, which somewhat mixes random noise with areas of degenerate keys).

Note that up to 256 bins we use 8-bit input keys, after which the keys are 32-bit integers and therefore the throughput measured in Gigabytes per second jumps up there.

Histogram performance - uniformly random input keys

Histogram performance - texture data input

Histogram performance - nearly degenerate input keys

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