OQO [Re: Yet another interesting bit of hardware intheDynapadvein...]

Ohshima, Yoshiki Yoshiki.Ohshima at disney.com
Tue May 21 16:53:01 UTC 2002


  Hello,

> If I unwind the computation to reduce the overhead of the 100000 times
> loop, I get a ratio of more like 7.7
> 	[100000 timesRepeat: [0+0+0+0+0+0+0+0+0+0]] timeToRun.
> 	[100000 timesRepeat: [0.0+0.0+0.0+0.0+0.0+0.0+0.0+0.0+0.0+0.0]]
> timeToRun.
> 
> This might be a better test for comparing FP/Int performance ratio on
> Pentium vs. ARM

  It is 490 vs 19825, or 40.

  You are right about the FP/Int performance ratio, but I
still think that the slowness of Morphic on PDA should be
accounted more on the memory bandwidth.

-- Yoshiki



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