On 14 Jan 2013, at 20:41, sampsa at mac.com wrote: Somebody was asking for a better benchmark than VUPS earlier, I found WHETSTONE.C on GORVAX which calculates MIPS. Not sure how much better it is than VUPS.COM, but here are some results: GORVAX (SIMH VAX, on a Core i5) Loops: 1000, Iterations: 1, Duration: 5 sec. C Converted Double Precision Whetstones: 20.0 MIPS CHIMPY (DS10) Loops: 10000, Iterations: 1, Duration: 2 sec. C Converted Double Precision Whetstones: 500.0 MIPS RHESUS (rx2600) Loops: 100000, Iterations: 1, Duration: 4 sec. C Converted Double Precision Whetstones: 2500.0 MIPS I've attached the C source to this message, and will put binaries for all three platforms as well as the source in RHESUS::[.MEDIALIB.WHETSTONE] sampsa <whetstone.c> Does this multithread? MISSY::SYSTEM$ whetstone -c 10000 Loops: 10000, Iterations: 1, Duration: 1 sec. C Converted Double Precision Whetstones: 1000.0 MIPS Loops: 10000, Iterations: 1, Duration: 2 sec. C Converted Double Precision Whetstones: 500.0 MIPS Loops: 10000, Iterations: 1, Duration: 2 sec. C Converted Double Precision Whetstones: 500.0 MIPS Loops: 10000, Iterations: 1, Duration: 2 sec. C Converted Double Precision Whetstones: 500.0 MIPS Loops: 10000, Iterations: 1, Duration: 1 sec. C Converted Double Precision Whetstones: 1000.0 MIPS Loops: 10000, Iterations: 1, Duration: 2 sec. C Converted Double Precision Whetstones: 500.0 MIPS Loops: 10000, Iterations: 1, Duration: 2 sec. C Converted Double Precision Whetstones: 500.0 MIPS Loops: 10000, Iterations: 1, Duration: 2 sec. C Converted Double Precision Whetstones: 500.0 MIPS Loops: 10000, Iterations: 1, Duration: 1 sec. C Converted Double Precision Whetstones: 1000.0 MIPS -- Cory Smelosky http://gewt.net/ Personal stuff! http://gimme-sympathy.org/ My permanently-a-work-in-progress pet project.