Source is available here.
Sample run on HP3000:
@(#) MIPSTEST 2002-08-23c Copyright (c) 2002 Allegro Consultants, Inc. www.allegro.com We have tried to make this program accurately measure CPU performance. However, between us being merely human (i.e., we can make mistakes), and the CPUs being PA-RISC (which can be tricky to measure from model to model), we have to state that we make no claims of accuracy for the measurements shown. The source code for this program is available, free, upon request: email@example.com System being used: HPCPUNAME = SERIES 968RX Rated CPU speed: 64 MHz Measuring speed... user MHz = 63; hardware MHz = 63.2