Hi!

On Fri, 2 Oct 2009, Yee Wei Law wrote:

> Hi Qiu, Razvan,
>
> I have some measurements on how slow Deluge actually is on the IRIS, by
> instrumenting the file /opt/tinyos-2.x/support/sdk/java/PrintfClient.java
> and capturing debug statements from DelugePageTransferP.nc
>
> To transfer 3696 bytes of data, a whopping 34.42 minutes were spent.

Wow, that's very slow. I was not aware of this abysmal performance on 
IRIS. Perhaps somebody familiar with the RF230 can take a look. :D

--
Razvan ME

> Do you have any advice on how I can speed up the process? According to my
> *preliminary* investigation, LPL is not enabled by default.
>
> Thank you in advance.
>
> Best regards,
> Yee Wei
>
>
> 2009/9/30 Razvan Musaloiu-E. <[email protected]>
>
>> Hi!
>>
>> On Wed, 30 Sep 2009, qiu ying wrote:
>>
>>  Thanks for your reply. By the way, I found another problem. I see the
>>> CVS code after 09/16 the LPL is default on,  but it seems Deluge
>>> doesn't comptiable with LPL, I've found the GoldenImage with LPL
>>> receive data very very slowly, for example, when send a 30K image, I
>>> waited for 2 hours more, but it was still not finished.
>>>
>>>
>> Without any configuration the default lpl committed on 09/16 is equivalent
>> with the always on configuration. If it doesn't then it's a bug that we have
>> to fix.
>>
>> Deluge T2 with LPL always took a long time. A deeper investigation might
>> reveal a way to make it faster though. :-)
>>
>> --
>> Razvan ME
>>
>>
>>  My platform is iris and uses the latest CVS, can you help me with this?
>>>
>>> 2009/9/21 Razvan Musaloiu-E. <[email protected]>:
>>>
>>>> Hi!
>>>>
>>>> On Fri, 11 Sep 2009, qiu ying wrote:
>>>>
>>>>  Hi,
>>>>> I know Deluge can reprogram all the motes in a network. But I just want
>>>>> to reprogram a mote with specific ID. Is there  an existing component can 
>>>>> do
>>>>> this? Or is it possible to modify Deluge to achieve this?
>>>>>
>>>>>
>>>> In Deluge T2 there is no per-node filtering. The DelugeP.nc from
>>>> tos/lib/net/Deluge is responsible for what happens when a node finds about 
>>>> a
>>>> new image. The two functions in which reprogramming using tosboot is 
>>>> trigger
>>>> are ObjectTransfer.receiveDone and DelugeMetadata.readDone. You could add
>>>> some condition to those action if you want.
>>>>
>>>> --
>>>> Razvan ME
>>>>
>>>>
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>>
>
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