Gajdusek cleaning

docs.it4i/anselm/software/mpi/mpi4py-mpi-for-python.md

@@ -20,7 +20,7 @@ $ ml av Python/
    Python/2.7.11-foss-2016a    Python/3.5.2-foss-2016a    Python/3.5.1
    Python/2.7.9-foss-2015g     Python/3.4.3-intel-2015b   Python/2.7.9
    Python/2.7.11-intel-2015b   Python/3.5.2
-   
+
 $ ml av OpenMPI/
 --------------------------------------- /apps/modules/mpi --------------------------
 OpenMPI/1.8.6-GCC-4.4.7-system   OpenMPI/1.8.8-GNU-4.9.3-2.25  OpenMPI/1.10.1-GCC-4.9.3-2.25
@@ -28,7 +28,8 @@ OpenMPI/1.8.6-GNU-5.1.0-2.25     OpenMPI/1.8.8-GNU-5.1.0-2.25  OpenMPI/1.10.1-GN
     OpenMPI/1.8.8-iccifort-2015.3.187-GNU-4.9.3-2.25   OpenMPI/2.0.2-GCC-6.3.0-2.27
 ```
 
-!!! Warning ""
+!!! Warning "Flavours"
+
     * modules Python/x.x.x-intel... - intel MPI
     * modules Python/x.x.x-foss...  - OpenMPI
     * modules Python/x.x.x - without MPI
@@ -37,8 +38,8 @@ OpenMPI/1.8.6-GNU-5.1.0-2.25     OpenMPI/1.8.8-GNU-5.1.0-2.25  OpenMPI/1.10.1-GN
 
 You need to import MPI to your python program. Include the following line to the python script:
 
-```cpp
-    from mpi4py import MPI
+```python
+from mpi4py import MPI
 ```
 
 The MPI4Py enabled python programs [execute as any other OpenMPI](Running_OpenMPI/) code.The simpliest way is to run
@@ -57,43 +58,43 @@ $ mpiexec python hello_world.py
 
 ### Hello World!
 
-```cpp
-    from mpi4py import MPI
+```python
+from mpi4py import MPI
 
-    comm = MPI.COMM_WORLD
+comm = MPI.COMM_WORLD
 
-    print "Hello! I'm rank %d from %d running in total..." % (comm.rank, comm.size)
+print "Hello! I'm rank %d from %d running in total..." % (comm.rank, comm.size)
 
-    comm.Barrier()   # wait for everybody to synchronize
+comm.Barrier()   # wait for everybody to synchronize
 ```
 
 ### Collective Communication With NumPy Arrays
 
-```cpp
-    from mpi4py import MPI
-    from __future__ import division
-    import numpy as np
+```python
+from mpi4py import MPI
+from __future__ import division
+import numpy as np
 
-    comm = MPI.COMM_WORLD
+comm = MPI.COMM_WORLD
 
-    print("-"*78)
-    print(" Running on %d cores" % comm.size)
-    print("-"*78)
+print("-"*78)
+print(" Running on %d cores" % comm.size)
+print("-"*78)
 
-    comm.Barrier()
+comm.Barrier()
 
-    # Prepare a vector of N=5 elements to be broadcasted...
-    N = 5
-    if comm.rank == 0:
-        A = np.arange(N, dtype=np.float64)    # rank 0 has proper data
-    else:
-        A = np.empty(N, dtype=np.float64)     # all other just an empty array
+# Prepare a vector of N=5 elements to be broadcasted...
+N = 5
+if comm.rank == 0:
+    A = np.arange(N, dtype=np.float64)    # rank 0 has proper data
+else:
+    A = np.empty(N, dtype=np.float64)     # all other just an empty array
 
-    # Broadcast A from rank 0 to everybody
-    comm.Bcast( [A, MPI.DOUBLE] )
+# Broadcast A from rank 0 to everybody
+comm.Bcast( [A, MPI.DOUBLE] )
 
-    # Everybody should now have the same...
-    print "[%02d] %s" % (comm.rank, A)
+# Everybody should now have the same...
+print "[%02d] %s" % (comm.rank, A)
 ```
 
 Execute the above code as: