Execution time different

[joel.sherrill at OARcorp.com (Joel Sherrill)]

Arquer Stephane wrote:
> Hello,
>
> I use a leon2  cpu and I have two way to load the code.
> The first one is grmon and the other is Redboot with a binary file
> generated by sparc-rtems4.7-objcopy -O binary file.elf file.bin.
> I don't have the same behaviour with the same code.
> With grmon, a calcul function last 120ms
> With redboot, this function last 340ms
>
> I check MCFG2 :
> Grmon:    03801460
> Redboot: B0801460
>
> And I modified it in grmon but the time is always 120ms.
>
> Does anyone know what is initialise by grmon which is not done by
> Redboot ?
>
>   
Is caching enabed in both configurations?

--joel
> Thanks for help.
>
>
> sa
>
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>   


-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherrill at OARcorp.com        On-Line Applications Research
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