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Benchmarks for Emu42 on Pocket PC 2002 / 2003

Tuesday 29th of June 2004

By courtesy of Christoph Giesselink here are some benchmarks for Emu42 on the Pocket PC 2002 and 2003. The benchmark measures the running time for the Miller-Rabin primality test for the number 999 999 999 961. This makes it easy to compare the running speeds on the Pocket PC vs the real HP-42S. Already on a StrongARM 206MHz-based Pocket PC (e.g. the HP Jornada 560 series) does it run at more than 5.5 times the speed of the real HP-42S. On a XScale 400MHz-based Pocket PC it performs impressingly at 11.6 times the speed of the real calc - making it the fastest environment running HP-42S programs that fits in your pocket!

Please also note that although the program is officially called "Emu 42 for Pocket PC 2002" it has now also been tested successfully on Pocket PC 2003!

Calculator
Running time
% rel HP-42S
HP-42S
5.48.4
100%
HP-42S Double Speed
2:52.8
201%
ARM SA1110/206Mhz / PocketPC 2002
1:02
562%
ARM PX255/400Mhz / PocketPC 2003
0:30
1160%

These figures can be compared to the running times on a desktop PC. For example a 200MHz Pentium MMX with Win98SE runs the test in 45 seconds (a speed-up of 7.7 times), while a 2.4GHz P4 with Win2K runs the test in minimal 3 seconds (speed-up > 100 times).

For a complete overview see this file: E42Bench.zip (updated 7th of April 2005)

Footnote:  Emu42 for Pocket PC 2002 is not yet published officially. For a more detailed background on this please see the article A User's Comments on two HP-42S emulators. A campaign for the release of the full version of Emu42 for Windows and the Pocket PC 2002 version is planned later this summer. (If you want to contribute already now, please drop me a note!)