Benchmarks

Various benchmarks.

Baselines: TCP loopback baseline throughput and latency.
StreamThroughput: Single stream throughput measured for various message lengths and messages/second.
RequestResponseLatency: Latency of a single request/response measured in latency and requests/second.
RequestResponseThroughput: Throughput of number of request/responses per second for various max number of outstanding requests as a time.