Merge pull request #3403 from eisenhauer/SstExamples

Add Python SstWriter example

examples/hello/sstWriter/helloSstWriter.py

@@ -0,0 +1,26 @@
+from mpi4py import MPI
+import numpy as np
+import adios2
+
+# MPI
+comm = MPI.COMM_WORLD
+rank = comm.Get_rank()
+size = comm.Get_size()
+
+# ADIOS MPI Communicator, debug mode
+adios = adios2.ADIOS(comm)
+
+# ADIOS IO
+sstIO = adios.DeclareIO("myIO")
+sstIO.SetEngine('Sst')
+myArray = np.array([0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0],
+                   dtype='f')
+myArray = 10.0 * rank + myArray
+nx = len(myArray)
+ioArray = sstIO.DefineVariable("bpFloats", myArray, [size * nx],
+                               [rank * nx], [nx], adios2.ConstantDims)
+sstFileWriter = sstIO.Open("helloSst", adios2.Mode.Write)
+sstFileWriter.BeginStep()
+sstFileWriter.Put(ioArray, myArray, adios2.Mode.Sync)
+sstFileWriter.EndStep()
+sstFileWriter.Close()