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

A number of changes to how traitlets and components work....

A number of changes to how traitlets and components work. * Classes can be given as strings, like 'foo.bar.Bar' in the Type and Instance traitlets as well as the get_instances method of Component. This is done to allow for forward declarations. * New IPython.utils.importstring that imports a class from a string, like 'foo.bar.Bar'.

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      from IPython.kernel import client

      tc = client.TaskClient()

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

      print "Simple, default map: ", result

      m = tc.mapper(block=False, clear_after=True, clear_before=True)

      tids = m.map(lambda x: 2*x, range(10))

      print "Submitted tasks, got ids: ", tids

      tc.barrier(tids)

      result = [tc.get_task_result(tid) for tid in tids]

      print "Using a mapper: ", result

      @tc.parallel()

      def f(x): return 2*x

      result = f(range(10))

      print "Using a parallel function: ", result

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				from IPython.kernel import client

				tc = client.TaskClient()

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

				m = tc.mapper(block=False, clear_after=True, clear_before=True)
				tids = m.map(lambda x: 2*x, range(10))
				print "Submitted tasks, got ids: ", tids
				tc.barrier(tids)
				result = [tc.get_task_result(tid) for tid in tids]
				print "Using a mapper: ", result

				@tc.parallel()
				def f(x): return 2*x

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