On 22/06/10 16:27, Paulraj, Sandeep wrote:
>
>> The following restructuring and optimisations increase the SPI
>> read performance from 1.3MiB/s (on da850) to 2.87MiB/s (on da830):
>>
>> Remove continual revaluation of driver state from the core of the
>> copy loop. State can not change during the
> The following restructuring and optimisations increase the SPI
> read performance from 1.3MiB/s (on da850) to 2.87MiB/s (on da830):
>
> Remove continual revaluation of driver state from the core of the
> copy loop. State can not change during the copy loop, so it is
> possible to move these eva
Hello Sandeep,
Yes, please apply the patch.
Regards
--
Delio
On 22/06/2010, at 16:27, Paulraj, Sandeep wrote:
>
>
>>>
>>> Not testing the txp and rxp pointers in the loop was a significant
>>> gain for me and pipe-lining the TX and RX operations is going to be
>>> a little trickier, but giv
> >
> > Not testing the txp and rxp pointers in the loop was a significant
> > gain for me and pipe-lining the TX and RX operations is going to be
> > a little trickier, but give it a go by all means.
>
> Yes, it's unlikely I will be able to get my version to work as fast as
> yours
> because of
On 22/06/2010, at 10:29, Nick Thompson wrote:
> On 21/06/10 19:38, Delio Brignoli wrote:
>> Hello Nick,
>>
>> On 21/06/2010, at 11:27, Nick Thompson wrote:
>>> The following restructuring and optimisations increase the SPI
>>> read performance from 1.3MiB/s (on da850) to 2.87MiB/s (on da830):
>>
On 21/06/10 19:38, Delio Brignoli wrote:
> Hello Nick,
>
> On 21/06/2010, at 11:27, Nick Thompson wrote:
>> The following restructuring and optimisations increase the SPI
>> read performance from 1.3MiB/s (on da850) to 2.87MiB/s (on da830):
>
> Using this patch I get 2.21MiB/s on my L138 EVM (da8
Hello Nick,
On 21/06/2010, at 11:27, Nick Thompson wrote:
> The following restructuring and optimisations increase the SPI
> read performance from 1.3MiB/s (on da850) to 2.87MiB/s (on da830):
Using this patch I get 2.21MiB/s on my L138 EVM (da850), quite
an improvement! I would like to see how m
On 21/06/10 15:41, Paulraj, Sandeep wrote:
>
>
>>
>> The following restructuring and optimisations increase the SPI
>> read performance from 1.3MiB/s (on da850) to 2.87MiB/s (on da830):
>>
>> Remove continual revaluation of driver state from the core of the
>> copy loop. State can not change duri
On 21/06/10 15:41, Paulraj, Sandeep wrote:
>
>
>>
>> The following restructuring and optimisations increase the SPI
>> read performance from 1.3MiB/s (on da850) to 2.87MiB/s (on da830):
>>
>> Remove continual revaluation of driver state from the core of the
>> copy loop. State can not change duri
>
> The following restructuring and optimisations increase the SPI
> read performance from 1.3MiB/s (on da850) to 2.87MiB/s (on da830):
>
> Remove continual revaluation of driver state from the core of the
> copy loop. State can not change during the copy loop, so it is
> possible to move these
The following restructuring and optimisations increase the SPI
read performance from 1.3MiB/s (on da850) to 2.87MiB/s (on da830):
Remove continual revaluation of driver state from the core of the
copy loop. State can not change during the copy loop, so it is
possible to move these evaluations to b
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