upstream/ipython Files · docs/examples/newparallel/multienginemap.py

use App.instance() in launch_new_instance (parallel apps)...

use App.instance() in launch_new_instance (parallel apps) This way later calls to App.instance() will return the running application, whereas calling App() would create an isolated Application object.

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      from IPython.parallel import Client

      rc = Client()

      view = rc[:]

      result = view.map_sync(lambda x: 2*x, range(10))

      print "Simple, default map: ", result

      ar = view.map_async(lambda x: 2*x, range(10))

      print "Submitted map, got AsyncResult: ", ar

      result = ar.r

      print "Using map_async: ", result

      @view.parallel(block=True)

      def f(x): return 2*x

      result = f(range(10))

      print "Using a parallel function: ", result

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				from IPython.parallel import Client

				rc = Client()
				view = rc[:]
				result = view.map_sync(lambda x: 2*x, range(10))
				print "Simple, default map: ", result

				ar = view.map_async(lambda x: 2*x, range(10))
				print "Submitted map, got AsyncResult: ", ar
				result = ar.r
				print "Using map_async: ", result

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

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