mm is a signal-handler-safe dynamic memory manager that has generally better performance than malloc. Packet_sender and packet_receiver are a server-client suite resembling TCP server and client. Receiver is able to reassemble out-of-order packets into a complete message.
To see the running time of mm and malloc, run ./main_mm and ./main_malloc respectively.
To use the server-client suite, first run ./packet_sender <number_of_messages> then run ./packet_receiver <number_of_messages>. The program arguments should be the same otherwise the behavior is indeterministic.