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added cuda examples

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Evghenii
2013-11-04 11:44:49 +01:00
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I have been working with sort example, attempting to use ISPC_USE_OMP for tasking and adding example for sort_paralle.cpp which uses __gnu_parallel::sort to compare apples with apples, but clang has no support for OpenMP.
The reason to use ISPC_USE_OMP is to control thread-affinity on multi-socket systems. For bandwidth bound throughput, the tasking system based on pthread make it messy to control thread-affinity and w/o this for bandwidth bound work-loads performance may suffer..
I used sort example to begin with