Source code for spinn_front_end_common.interface.simulation.simulation_utilities
import os
import hashlib
from spinn_front_end_common.utilities.constants import SDP_PORTS
[docs]def get_simulation_header_array(
binary_file_name, machine_time_step, time_scale_factor):
""" Get data to be written to the simulation header
:param binary_file_name: The name of the binary of the application
:param machine_time_step: The time step of the simulation
:param time_scale_factor: The time scaling of the simulation
:return: An array of values to be written as the simulation header
"""
# Hash application title
application_name = os.path.splitext(binary_file_name)[0]
# Get first 32-bits of the md5 hash of the application name
application_name_hash = hashlib.md5(application_name).hexdigest()[:8]
# Write this to the system region (to be picked up by the simulation):
data = list()
data.append(int(application_name_hash, 16))
data.append(machine_time_step * time_scale_factor)
# add SDP port number for receiving synchronisations and new run times
data.append(SDP_PORTS.RUNNING_COMMAND_SDP_PORT.value)
return data