WAMP Message Serialization Benchmarks: CPU profile

CPU profile recorded with vmprof during benchmark run:

with benchmark results: and CPU profile:
Data Sample

{'ts': '2019-03-16T18:28:54.775Z', 'vehicle_id': 'vehicle100', 'timestamp': '2017-03-01T08:00:00.000Z', 'gps_location': {'lng': 1.4095842406393382, 'lat': 43.61577550871403, 'speed': 0.0, 'xtile': 132098, 'ytile': 95708, 'zoom': 18}, 'rain_sensor': {'rain': 0.5047619047619047, 'wiper': 'off'}, 'pothole_sensor': {'depth': 0.1620507373008877, 'type': 'type-b'}}