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International Journal of Biomedical Imaging
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International Journal of Biomedical Imaging
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2015
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Article
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Tab 1
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Research Article
High Performance GPU-Based Fourier Volume Rendering
Table 1
Performance benchmarks comparison between the different stages of the computational context on the CPU versus GPU for processing a volume of
. All the results are in
milli-seconds
.
Operation
CPU
GPU 1
GPU 2
Volume uploading to GPU
ā
100
40
3D real FFT shift
2014.778
55.01
14.2
3D FFT
15297.28
442.004
90.53
3D complex FFT shift
1969.79
93.86
19.03
Resampling
11.3
1.290
0.458
2D FFT
5.736
0.771
0.1414
2D real FFT shift
1.565
0.4175
0.04623
Preprocessing stage
19281.847
690.886
163.78
Rendering loop
18.672
2.4796
0.6462
Entire pipeline
19300.5194
693.365
164.4