コード例 #1
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    def test_gst(self):
        comm = self.ralloc.comm

        exp_design = std.get_gst_experiment_design(4)
        mdl_datagen = std.target_model().depolarize(op_noise=0.1,
                                                    spam_noise=0.01)
        ds = pygsti.data.simulate_data(mdl_datagen,
                                       exp_design,
                                       1000,
                                       seed=1234,
                                       comm=comm)
        data = pygsti.protocols.ProtocolData(exp_design, ds)

        initial_model = std.target_model("full TP")
        proto = pygsti.protocols.GateSetTomography(
            initial_model,
            verbosity=1,
            optimizer={
                'maxiter': 100,
                'serial_solve_proc_threshold': 100
            })

        results_serial = proto.run(data, comm=None)
        results_parallel = proto.run(data, comm=comm)

        # compare resulting models
        if comm is None or comm.rank == 0:
            best_params_serial = results_serial.estimates[
                "GateSetTomography"].models['stdgaugeopt'].to_vector()
            best_params_parallel = results_parallel.estimates[
                "GateSetTomography"].models['stdgaugeopt'].to_vector()

            assert np.allclose(best_params_serial, best_params_parallel)
コード例 #2
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    def setUp(self):
        self.gst_design = smq1Q_XYI.get_gst_experiment_design(4,
                                                              qubit_labels=[0])

        nQubits = 2
        self.pspec_2Q = QubitProcessorSpec(
            nQubits, ('Gx', 'Gy', 'Gcnot'),
            geometry="line",
            qubit_labels=['qb{}'.format(i) for i in range(nQubits)])
コード例 #3
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    def setUpClass(cls):
        cls.gst_design = smq1Q_XYI.get_gst_experiment_design(max_max_length=4)
        cls.mdl_target = smq1Q_XYI.target_model()
        cls.mdl_datagen = cls.mdl_target.depolarize(op_noise=0.05,
                                                    spam_noise=0.025)

        ds = simulate_data(cls.mdl_datagen,
                           cls.gst_design.all_circuits_needing_data,
                           1000,
                           sample_error='none')
        cls.gst_data = ProtocolData(cls.gst_design, ds)
コード例 #4
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    def setUpClass(cls):

        #Construct a results object
        gst_design = smq1Q_XYI.get_gst_experiment_design(max_max_length=4)
        mdl_target = smq1Q_XYI.target_model()
        mdl_datagen = mdl_target.depolarize(op_noise=0.05, spam_noise=0.025)

        ds = simulate_data(mdl_datagen,
                           gst_design.all_circuits_needing_data,
                           1000,
                           seed=2020)
        data = ProtocolData(gst_design, ds)
        cls.results = gst.ModelEstimateResults(data, Protocol("test-protocol"))
        cls.results.add_estimate(Estimate.create_gst_estimate(
            cls.results,
            mdl_target,
            mdl_target, [mdl_datagen] * len(gst_design.circuit_lists),
            parameters={'objective': 'logl'}),
                                 estimate_key="test-estimate")
        cls.target_model = mdl_target
コード例 #5
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    def test_simulate_data(self):
        comm = self.ralloc.comm

        exp_design = std.get_gst_experiment_design(4)
        mdl_datagen = std.target_model().depolarize(op_noise=0.1,
                                                    spam_noise=0.01)

        ds_serial = pygsti.data.simulate_data(mdl_datagen,
                                              exp_design,
                                              1000,
                                              seed=1234,
                                              comm=None)
        ds_parallel = pygsti.data.simulate_data(mdl_datagen,
                                                exp_design,
                                                1000,
                                                seed=1234,
                                                comm=comm)

        if comm is None or comm.rank == 0:
            assert (set(ds_serial.keys()) == set(ds_parallel.keys()))
            for key in ds_serial.keys():
                assert (ds_serial[key].to_dict() == ds_parallel[key].to_dict())
コード例 #6
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    def run_objfn_values(self, sim, objfn, natoms):
        comm = self.ralloc.comm

        mdl = std.target_model()
        exp_design = std.get_gst_experiment_design(1)
        mdl_datagen = mdl.depolarize(op_noise=0.01, spam_noise=0.01)
        ds = pygsti.data.simulate_data(mdl_datagen,
                                       exp_design,
                                       1000,
                                       seed=1234,
                                       comm=comm)

        builder = pygsti.objectivefns.ObjectiveFunctionBuilder.create_from(
            objfn)
        builder.additional_args['array_types'] = ('EP', 'EPP'
                                                  )  # HACK - todo this better

        if sim == 'map':
            mdl.sim = pygsti.forwardsims.MapForwardSimulator(num_atoms=natoms)
        elif sim == 'matrix':
            mdl.sim = pygsti.forwardsims.MatrixForwardSimulator(
                num_atoms=natoms)
        else:
            raise RuntimeError(
                "Improper sim type passed by test_objfn_generator")

        circuits = exp_design.all_circuits_needing_data[0:10]
        objfn_parallel = builder.build(mdl,
                                       ds,
                                       circuits,
                                       self.ralloc,
                                       verbosity=0)
        objfn_serial = builder.build(mdl, ds, circuits, None, verbosity=0)

        #LSVEC TEST
        v_ref = objfn_serial.lsvec()
        v = objfn_parallel.lsvec()
        globalv = objfn_parallel.layout.gather_local_array('e', v)

        if comm is None or comm.rank == 0:
            finalv = np.empty_like(globalv)
            off = 0
            for c in circuits:
                indices, outcomes = objfn_parallel.layout.global_layout.indices_and_outcomes(
                    c)
                assert (outcomes == (('0', ), ('1', ))
                        )  # I think this should always be the ordering (?)
                finalv[off:off + len(outcomes)] = globalv[indices]
                off += len(outcomes)

            finalv_ref = np.empty_like(v_ref)
            off = 0
            for c in circuits:
                indices, outcomes = objfn_serial.layout.indices_and_outcomes(c)
                assert (outcomes == (('0', ), ('1', ))
                        )  # I think this should always be the ordering (?)
                finalv_ref[off:off + len(outcomes)] = v_ref[indices]
                off += len(outcomes)

            assert np.allclose(finalv, finalv_ref)

        #TODO: DLSVEC?

        #HESSIAN TEST
        hessian_ref = objfn_serial.hessian()
        hessian = objfn_parallel.hessian(
        )  # already a global qty, just on root proc
        bhessian_ref = objfn_serial.hessian_brute()
        bhessian = objfn_parallel.hessian_brute()

        if comm is None or comm.rank == 0:
            assert np.allclose(bhessian_ref, hessian_ref)
            assert np.allclose(hessian, hessian_ref)
            assert np.allclose(bhessian, bhessian_ref)
コード例 #7
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 def setUpClass(cls):
     cls.gst_design = std.get_gst_experiment_design(4)
コード例 #8
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 def setUp(self):
     self.edesign = smq1Q_XYI.get_gst_experiment_design(max_max_length=2)
     self.target_model = smq1Q_XYI.target_model()