[genivi-dlt] [PATCH] Multithreaded DLT file parser

Jeremiah Foster jeremiah.foster at pelagicore.com
Tue Mar 15 10:28:01 EDT 2016


On Wed, Mar 9, 2016 at 11:05 AM, Helwing, Lutz <Lutz_Helwing at mentor.com>
wrote:

> Dear DLT community,
>
> the patch has been integrated into master. Please excuse the merge commit,
> i didn't know that there have been new commits.
>
> At this occasion i like to inform you that the DLT project will be
> continued directly by BMW.
>

Thank you Lutz for all your excellent work on DLT!


> Gernot Wirschal <Gernot.Wirschal at bmw.de> <Gernot.Wirschal at bmw.de> will be
> the responsible contact for DLT maintenance tasks.
>

Hello Gernot! Thanks for taking over maintainership duties. I imagine
you're familiar with GENIVI since you've contributed before. At this point
I'd like you to discuss with your team internally about the GENIVI
contribution agreement -- the CLA. If I understand correctly you'll have to
have an updated version of the BMW CLA with your name on it in order to
submit patches to the DLT repo. Please let me know if you need more
information, I can explain some of the details off-list. A quick review of
https://at.projects.genivi.org/wiki/display/PROJ/How+to+contribute+to+GENIVI
is likely helpful and more info on the GENIVI CLA here:
http://www.genivi.org/contribute


> I'd like to say goodbye and thank you all for your great contributions and
> wish you success with using and improving DLT in future!
>

Best of luck Lutz and thanks again!

Jeremiah


>
> Kind regards
> Lutz
>
>
> On 02/03/16 10:57, Helwing, Lutz wrote:
>
> Hi all,
>
> we'd like to propose a patch which speeds up parsing of DLT files.
>
> The functions DltFileIndexer::indexFilter() and
> DltFileIndexer::indexDefaultFilter() will use a helper thread if filters
> and/or plugins are active to speed up DLT file loading.
>
> Please see the attached Excel sheet for some numbers indicating the speed
> up.
>
> As long as any filters or plugins are used, a time improvement is achieved
> by using an extra helper thread. Therefore, threading is only useful if at
> least one filter or plugin is active.
>
> If no objections arise the patch will be integrated into master within 5
> working days.
>
> Cheers
> Lutz
>
> --
>
> *Lutz Helwing*
> Senior Engineer
>
> Telefon
>
> +49 (89) 57096 - 297 <+49%287721%294060-422>
>
> Fax
>
> +49 (89) 57096 - 400
>
> <Oliver_Hartfuss at mentor.com> <lutz_helwing at mentor.com>
> lutz_helwing at mentor.com
>
>
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-- 
Jeremiah C. Foster
GENIVI COMMUNITY MANAGER

Pelagicore AB
Ekelundsgatan 4, 6tr, SE-411 18
Gothenburg, Sweden
M: +46 (0)73 093 0506
jeremiah.foster at pelagicore.com
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