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Re: On KEILs Dhrystone benchmarks --again

2005-07-19 by berniespam

Hello Thiadmer, 

I was doing some comparisons of different compilers (IAR, ARM ADS,
GNU, Keil...), and I wanted to use your well-done analysis
methodology. The paper was posted at: 

http://compuphase.com/dhrystone.htm

But it appears to be down. 

Can you republish the paper, attach it to this thread, or email it to
me? I wanted to ensure a complete and through analysis; one that all
group members would find useful.

Once I am done, I will post my results on the yahoo lpc2000 group,
(giving you credit where credit is due, of course). 

Thanks



--- In lpc2000@yahoogroups.com, "ukkie9a" <docent@c...> wrote:
> Hello everyone,
> 
> To satisfy my curiosity (and verify the code generation of the GNU
> compiler), I repeated the Dhrystone benchmark with GNU GCC after
> reading the tables in the (otherwise nice book) "The Insider's Guide
> to the Philips ARM7-Based Microcontrollers" by Trevor Martin (see
> http://www.hitex.co.uk/arm/lpc2000book/index.html) and finding the
> same table on KEILs web site.
> 
> My results, which you can read about on
> http://compuphase.com/dhrystone.htm, differ from the published results
> by a factor of 5!
> 
> Kind regards,
> Thiadmer Riemersma

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