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Merge pull request #1331 from ellisonbg/celltypes...
Merge pull request #1331 from ellisonbg/celltypes Added plaintext and heading cells to the notebook UI and nbformat. In the process we have updated the nbformat to v3 and integrated these new cell types into the new toolbar.

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taskmap.ipynb
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Load balanced map and parallel function decorator

In [1]:
from IPython.parallel import Client
In [3]:
rc = Client()
v = rc.load_balanced_view()
In [4]:
result = v.map(lambda x: 2*x, range(10))
print "Simple, default map: ", list(result)
Simple, default map:  
[0, 2, 4, 6, 8, 10, 12, 14, 16, 18]
In [5]:
ar = v.map_async(lambda x: 2*x, range(10))
print "Submitted tasks, got ids: ", ar.msg_ids
result = ar.get()
print "Using a mapper: ", result
Submitted tasks, got ids:  ['5100a4c7-73a4-4832-aa91-e774f6f3ede8', 'd0cae1cf-2b32-4092-9eb7-f17b43fb3849', 'e08d3ee2-f221-47fe-9556-ed938e692030', '065585e4-cdf9-4240-a5fe-e44b2ae5d023', 'd2162f23-68e5-4318-ba1e-e34fd03a72ac', '5b3b835f-2099-4a70-9896-d1aa810c77e6', 'e2c2a823-bd44-4f91-8db3-c154d0d86e56', '991e0c25-f98a-44b5-9d9e-889d4180b9a5', '4ad41221-28bd-482f-a300-97c404648161', '5b730eb3-e0bb-4cdd-b228-c3b8d158828a']
Using a mapper:  [0, 2, 4, 6, 8, 10, 12, 14, 16, 18]
In [6]:
@v.parallel(block=True)
def f(x): return 2*x

result = f.map(range(10))
print "Using a parallel function: ", result
Using a parallel function:  [0, 2, 4, 6, 8, 10, 12, 14, 16, 18]