msg/to_bytes: Comparison Average time (us) Input 2.0 4.0 6.0 8.0 10.0 12.0 14.0 2000.0 4000.0 6000.0 8000.0 10000.0 12000.0 14000.0 16000.0 18000.0 20000.0 kwap_msg/no_alloc/size kwap_msg/alloc/size coap_lite/size