> I get 21us with this slighly modified version (of the original post):
>
> local tmr, dtime, t1, t2 = tmr
> term.clrscr()
> while 1 do
> t1 = tmr.start(0)
> t2 = tmr.read(0)
> dtime = tmr.diff(0,t2,t1)
> term.gotoxy(1,1)
> term.putstr(string.format("Time (us): %06d",dtime))
> end
>
> Not that bad IMO.
>
> Best,
> Bogdan
>
>
> On Wed, Feb 18, 2009 at 11:46 PM, Dado Sutter <dadosutter at gmail.com>wrote:
>
>> Fernando, could you run this simple script on the EK-1100 and report AVR32
>> performance ?
>>
>> We have a MOD711, with an ST711 (ARM7) too but after strugling (and
>> achieving ! :) to make it work on Linux, OpenOCD now refuses to flash our
>> kit :( :( :( :(
>>
>> Best
>> Dado
>>
>>
>>
>>
>>
>>
>>
>>
>> On Wed, Feb 18, 2009 at 17:15, James Snyder <jbsnyder at fanplastic.org>wrote:
>>
>>> OK. At least I know my compiler isn't messed up :-)
>>> I'm curious now though whether similarly clocked ARM7 vs AVR vs Cortex-M3
>>> (ARM Thumb2) vs etc.. do for these types of tests.
>>>
>>> -jsnyder
>>>
>>> On Feb 18, 2009, at 10:24 AM, Dado Sutter wrote:
>>>
>>> Hello,
>>>
>>> On Wed, Feb 18, 2009 at 10:59, James Snyder <jbsnyder at fanplastic.org>wrote:
>>>
>>>>
>>>> > On Wed, Feb 18, 2009 at 02:19, James Snyder <jbsnyder at fanplastic.org>wrote:
>>>> >
>>>>>
>>>>> So, one of the things I've been doing recently is tracking timing data
>>>>> for adcscope.lua when running it. I've found certain things that increase
>>>>> or decrease the amount of time spent getting samples, but I hadn't actually
>>>>> checked what the bare minimum time would be for a dry loop like the
>>>>> following:
>>>>> >
>>>>> > term.clrscr()
>>>>> >
>>>>> > while 1 do
>>>>> > t1 = tmr.start(0)
>>>>> > t2 = tmr.read(0)
>>>>> > dtime = tmr.diff(0,t2,t1)
>>>>> > term.gotoxy(1,1)
>>>>> > term.putstr(string.format("Time (us): %06d",dtime))
>>>>> > end
>>>>> >
>>>>> > For LM3S6965, I get 79 us. Is this correct?
>>>>
>>>>
>>> 79us exactly in my EK-LM3S8962 too.
>>> (And I've figured out that you have disabled XMODEM Xfer on your build :)
>>>
>>> Abra?osssssssssss
>>> Dado
>>>
>>> _______________________________________________
>>> Elua-dev mailing list
>>> Elua-dev at lists.berlios.de
>>>
https://lists.berlios.de/mailman/listinfo/elua-dev>>>
>>>
>>> --
>>> James Snyder
>>> Biomedical Engineering
>>> Northwestern University
>>> jbsnyder at fanplastic.org
>>>
http://fanplastic.org/key.txt>>> ph: (847) 644-2322
>>>
>>>
>>> _______________________________________________
>>> Elua-dev mailing list
>>> Elua-dev at lists.berlios.de
>>>
https://lists.berlios.de/mailman/listinfo/elua-dev>>>
>>>
>>
>> _______________________________________________
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>>
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>>
>
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