upstream/ipython Files · docs/examples/parallel/taskmap.py

unpack out,err in ipexec...

unpack out,err in ipexec Code reflected the possibility that getoutputerror could return None, but this is no longer the case. It always returns two strings.

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      # <nbformat>2</nbformat>

      # <markdowncell>

      # # Load balanced map and parallel function decorator

      # <codecell>

      from IPython.parallel import Client

      # <codecell>

      rc = Client()

      v = rc.load_balanced_view()

      # <codecell>

      result = v.map(lambda x: 2*x, range(10))

      print "Simple, default map: ", list(result)

      # <codecell>

      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

      # <codecell>

      @v.parallel(block=True)

      def f(x): return 2*x

      result = f.map(range(10))

      print "Using a parallel function: ", result

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				# <nbformat>2</nbformat>

				# <markdowncell>

				# # Load balanced map and parallel function decorator

				# <codecell>

				from IPython.parallel import Client

				# <codecell>

				rc = Client()
				v = rc.load_balanced_view()

				# <codecell>

				result = v.map(lambda x: 2*x, range(10))
				print "Simple, default map: ", list(result)

				# <codecell>

				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

				# <codecell>

				@v.parallel(block=True)
				def f(x): return 2*x

				result = f.map(range(10))
				print "Using a parallel function: ", result