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[ts-7000] Re: speed improvements using eabi?

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Subject: [ts-7000] Re: speed improvements using eabi?
From: "j.chitte" <>
Date: Sun, 24 May 2009 22:07:52 -0000
--- In  "charliem_1216" <> wrote:
>
> --- In  "j.chitte" <j.chitte@> wrote:
> >
> 
> > >
> > 
> > thanks Charlie, that's just what I was looking for.
> > 
> > Is that without using the Maverick or is that where the boost comes from?
> 
> That's without the Maverick Crunch instructions.  Using those FP instructions 
> adds another speed increase, but it's not nearly as dramatic as EABI.
> 
> There's been some recent work on gcc by Martin Guy, closing some of the 
> corner cases where crunch wouldn't pass strict IEEE FP torture tests, and 
> working around the known & discovered chip errata.  So be sure to find his 
> patched gcc if you want to use crunch:
> 
> http://martinwguy.co.uk/martin/crunch/
> 
> I'd recommend getting an EABI system in working order before turning on 
> crunch code generation.
> 
> regards, ........ Charlie
> 
> 

Oh sure, getting eabi sorted is the primary objective, including porting our 
software to the new ADC driver. After that using the FPU would be nice too if 
the hardware bugs have been worked around now. Kudos to those who have sorted 
all this out.

Do you have any boards with the MAX197 ADC? The chip's sample rate is 6us from 
memory and I'd like to get something better than the lamentable 10ms that is 
possible with the standard installation.

These boards would be whole lot more useful with a sensible sample rate.

regards.





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