fixup! Add host SNIP for faster communication

nengo_loihi/hardware/tests/test_interface.py

@@ -131,50 +131,3 @@ def test_snip_input_count(Simulator, seed, plt):
     with Simulator(model) as sim:
         with pytest.warns(UserWarning, match="Too many spikes"):
             sim.run(0.01)
-
-
-@pytest.mark.target_loihi
-def test_no_hang_on_exception(Simulator, seed):
-    def input_fn(t):
-        if 0.03 < t < 0.05:
-            raise RuntimeError("test_no_hang")
-
-        return t
-
-    with nengo.Network(seed=seed) as net:
-        u = nengo.Node(input_fn)
-        a = nengo.Ensemble(100, 1)
-        nengo.Connection(u, a)
-        nengo.Probe(a)
-
-    with pytest.raises(RuntimeError, match="test_no_hang"):
-        with nengo_loihi.Simulator(net, precompute=False) as sim:
-            sim.run(0.1)
-
-
-@pytest.mark.target_loihi
-def test_multiple_run_calls(Simulator, seed, plt):
-    """Test that we can re-start the SNIPs for a second `run` call"""
-    # NOTE: probe synapses get applied at the end of `run`, so we keep probe
-    # synapses off and do our own filtering.
-
-    f = lambda t: np.sin(8 * np.pi * t)
-
-    with nengo.Network(seed=seed) as net:
-        nengo_loihi.set_defaults()
-
-        u = nengo.Node(f)
-        a = nengo.Ensemble(100, 1)
-        nengo.Connection(u, a, synapse=None)
-        ap = nengo.Probe(a)
-
-    with nengo_loihi.Simulator(net, precompute=False) as sim:
-        sim.run(0.1)
-        sim.run(0.15)
-
-    t = sim.trange()
-    x = f(sim.trange())
-    y = nengo.synapses.Alpha(0.01).filt(sim.data[ap], dt=sim.dt)
-    plt.plot(t, x)
-    plt.plot(t, y)
-    assert signals_allclose(t, x, y, atol=0.07, rtol=0.07, delay=0.024, plt=plt)

nengo_loihi/tests/test_simulator.py

@@ -452,7 +452,6 @@ def test_interface(Simulator, allclose):
             sim.run(1e-8)
 
 
-@pytest.mark.hang
 @pytest.mark.target_loihi
 def test_loihi_simulation_exception(Simulator):
     """Test that Loihi shuts down properly after exception during simulation"""