May 2014
Intermediate to advanced
522 pages
16h 1m
English
Content preview from GPU Pro 5
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484 VI Compute
Megapixels/Second
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Filter Size
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Shared
Shared unrolled
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Texture unrolled
Figure 5.6. Performance, measured in megapixels per second, for the different imple-
mentations of 2D filtering, for an image of size 2048 × 2048 and filter sizes ranging from
3 × 3to17× 17. The processing time for FFT-based filtering is independent of the filter
size and is the fastest approach for non-separable filters larger than 17 × 17.
5.9.2 Performance, 3D Filtering
Performance estimates for non-separable 3D filtering are given in Figures 5.8–
5.9. Again, time for transferring the data to and from the GPU is not included. ...
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