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Designing Scientific Applications on GPUs
book

Designing Scientific Applications on GPUs

by Raphael Couturier
November 2013
Intermediate to advanced content levelIntermediate to advanced
498 pages
17h 6m
English
Chapman and Hall/CRC
Content preview from Designing Scientific Applications on GPUs
Fast hydrodynamics on heterogeneous many-core hardware 281
MATLAB
3
is used to solve the linear system at every stage and a compar-
ison is made between single- and unfiltered double-precision calculations. It
is shown in Figure 11.9 a) that without a filter, the single-precision calcu-
lations result in “blow-up” after which the solver fails just before 50 wave
periods of calculation time. However, in Figure 11.9 (b) it is demonstrated
that invoking a smoothening filter, cf. (11.44), stabilizes the accumulation of
round-off errors and the calculations continue and achieve reduced accuracy
compared to the computed double-precision results. Thus, it is confirmed ...
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Publisher Resources

ISBN: 9781466571648