Created
May 10, 2012 01:57
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| from mpi4py import MPI | |
| import numpy as np | |
| def psum(a): | |
| s = np.sum(a) | |
| rcvBuf = np.array(0.0,'d') | |
| MPI.COMM_WORLD.Allreduce([s, MPI.DOUBLE], | |
| [rcvBuf, MPI.DOUBLE], | |
| op=MPI.SUM) | |
| return rcvBuf |
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