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hjabird / cvortex

GPU accelerated vortex filament and vortex particle methods
MIT License
9 stars 3 forks source link

GPU acceleration kicks in at too large a number of particles #2

Closed hjabird closed 5 years ago

hjabird commented 5 years ago

Using cvortex.jl and measuring interaction bandwidth:

num particles interactions per second
900 2.6e6
961 2.7e6
1023 2.7e6
1089 296e6
2500 781e6
3600 990e6
5625 1375e6
90000 2251e6

There starting to use the GPU at 1024 particles leaves performance on the table.