def setup_marocco(wafer=37):
"""Setup hardwarm mapping on a wafer. Defaults to 37"""
marocco = PyMarocco()
marocco.neuron_placement.default_neuron_size(4)
marocco.neuron_placement.minimize_number_of_sending_repeaters(False)
marocco.merger_routing.strategy(marocco.merger_routing.one_to_one)
marocco.bkg_gen_isi = 125
marocco.pll_freq = 125e6
marocco.backend = PyMarocco.Hardware
marocco.calib_backend = PyMarocco.XML
marocco.defects.path = marocco.calib_path = "/wang/data/calibration/brainscales/default-2017-09-26-1"
marocco.defects.backend = Defects.XML
marocco.default_wafer = C.Wafer(int(os.environ.get("WAFER", wafer)))
marocco.param_trafo.use_big_capacitors = True
marocco.input_placement.consider_firing_rate(True)
marocco.input_placement.bandwidth_utilization(0.8)
return marocco
'v_thresh': -10,
'e_rev_I': -100.,
'e_rev_E': 60.,
'tau_m': 20.,
'tau_refrac': 0.1,
'tau_syn_E': 5.,
'tau_syn_I': 5.,
}
marocco = PyMarocco()
marocco.neuron_placement.default_neuron_size(4)
marocco.neuron_placement.minimize_number_of_sending_repeaters(False)
marocco.merger_routing.strategy(marocco.merger_routing.one_to_one)
marocco.bkg_gen_isi = 125
marocco.pll_freq = 125e6
marocco.backend = PyMarocco.Hardware
marocco.calib_backend = PyMarocco.XML
marocco.defects.path = marocco.calib_path = "/wang/data/calibration/ITL_2016"
marocco.defects.backend = Defects.XML
marocco.default_wafer = C.Wafer(33)
marocco.param_trafo.use_big_capacitors = True
marocco.input_placement.consider_firing_rate(True)
marocco.input_placement.bandwidth_utilization(0.8)
runtime = Runtime(marocco.default_wafer)
pynn.setup(marocco=marocco, marocco_runtime=runtime)
# ——— set up network ——————————————————————————————————————————————————————————
h276.drivers().disable(SynapseDriverOnHICANN(C.Enum(6)))
h276.drivers().disable(SynapseDriverOnHICANN(C.Enum(20)))
h276.drivers().disable(SynapseDriverOnHICANN(C.Enum(102)))
h276.drivers().disable(SynapseDriverOnHICANN(C.Enum(104)))
marocco.defects.inject(HICANNGlobal(Enum(276)), h276)
h277 = pyredman.Hicann()
#h277.drivers().disable(SynapseDriverOnHICANN(C.Enum(2)))
marocco.defects.inject(HICANNGlobal(Enum(277)), h277)
#if simulator_name == "nmpm1":
# marocco.membrane = "membrane.dat"
# marocco.analog_enum = 0
# marocco.hicann_enum = HICANNGlobal(Enum(276)).id().value()
marocco.pll_freq = 100e6
marocco.bkg_gen_isi = 10000
marocco.only_bkg_visible = False
pynn.setup(marocco=marocco)
else:
import pyNN.nest as pynn
# helper function for populations
# could (should) be used for spinnaker as well
def get_pops(n_in_pop, hicann, n_used_neuronblocks = 7):
# neurons needed to fill up buffer
if simulator_name in ("nmpm1", "ess"):
n_in_tmp = 32/(neuron_size/2) - n_in_pop