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Wrong shortest path matrix returned when using Floyd-Warshal GPU algorithm on Large Graph (N>=3300) #19

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wariobrega opened this issue Feb 22, 2019 · 1 comment
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Wrong shortest path matrix returned when using Floyd-Warshal GPU algorithm on Large Graph (N>=3300) #19

wariobrega opened this issue Feb 22, 2019 · 1 comment
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@wariobrega
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When using the shortest_path_gpu method on a large graph (with more than 3000 nodes) the shortest path matrix is either returned incorrect (on Linux machines) or it raises a CUDA_UNKOWN_ERROR on a Windows based machine.

Setups:

Linux machine:

  • Graphic device: NVIDIA GeForce GTX 1050 Ti
  • Cuda version= 10.0

Windows:

  • NVIDIA Quadro
  • Cuda version = 8.0
@wariobrega wariobrega added the bug Something isn't working label Feb 22, 2019
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mazzalab commented Mar 29, 2019 •
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Issue solved with new implementation of shortest path gpu in commit ec0734d

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