Re: EMU71 (and EMU41) to go. Message #5 Posted by Howard Owen on 15 July 2007, 10:18 p.m., in response to message #1 by Egan Ford
To get an idea of the relative performance of PocketDOS, I ran the following program on my real 41CX, EMU41 under Windows Vista on a 2GHz processor, and in PocketDOS running under Windows Mobile 5 on a 417MHz PXA270 in my VZ6700 phone.
001 LBL 'BENCH
002 1.999
003 STO 00
004 TIME
005 LBL 00
006 1.5
007 SIN
008 RDN
009 ISG 00
010 GTO 00
011 TIME
012 X<>Y
013 HMS-
The times I got:
Calculator Platform Turbo? Time
EMU41 2Ghz PC Y 1 second
EMU41 2Ghz PC N 8 minutes, 17 seconds
EMU41 PocketDOS Y 4 minutes, 36 seconds
EMU41 PocketDOS N 14 minutes, 11 seconds
HP41CX Native - 12 minutes, 52 seconds
So EMU41 running in turbo mode on an Xscale processor emulating an 80286 (presumably) is more than three times faster running this user code than the native 41C. Pretty impressive!
Regards, Howard
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