[solved]Gunrock error - terminate called after throwing an instance of ..

gistfile1.txt

```
~/gunrock/build $ ./bin/sssp market ../dataset/small/test_mst.mtx
Loading Matrix-market coordinate-formatted graph ...
  Reading from ../dataset/small/test_mst.mtx:
  Parsing MARKET COO format (9 nodes, 17 directed edges)...   Done (0 s).
  Writing meta data into ../dataset/small/test_mst.mtx.meta
  Writting edge pairs in binary into ../dataset/small/test_mst.mtx.coo_edge_pairs
  Writting edge values in binary into ../dataset/small/test_mst.mtx.coo_edge_values
  Substracting 1 from node Ids...
  graph loaded as COO in 0.038475s.
Converting 9 vertices, 17 directed edges ( ordered tuples) to CSR format...Done (0s).
Degree Histogram (9 vertices, 17 edges):
    Degree 0: 1 (11.111111 %)
    Degree 2^0: 3 (33.333333 %)
    Degree 2^1: 4 (44.444444 %)
    Degree 2^2: 1 (11.111111 %)

Computing reference value ...
__________________________
--------------------------
Run 0 elapsed: 0.002146 ms, src = 0
==============================================
64bit-VertexT=false 64bit-SizeT=false 64bit-ValueT=false undirected=false mark-pred=0 advance-mode=LB
Using advance mode LB
Using filter mode CULL
terminate called after throwing an instance of 'mgpu::cuda_exception_t'
  what():  invalid device function
Aborted (core dumped)
```

I had set CUDA_VISIBLE_DEVICES=1.
Somehow gunrock/mgpu sees and can run only from GPU0
so I have to change to GPU0 before running. 😮

CUDA_VISIBLE_DEVICES=0
export $CUDA_VISIBLE_DEVICES

Alternative, they say it as fixed similar error. here gunrock/gunrock#169