19.10.2017, 16:11, "Roland Hughes" <rol...@logikalsolutions.com>: > Laszlo, > > 1) It's QML. Massive stinky pig which is __ALWAYS__ the wrong choice for any > project.
I'd like to point out that whining is __ALWAYS__ a wrong approach for communications on technical mailing list. > > 2) EGLFS is how we got here. The Wiki instructions are pure excrement for > anything more complex than "Hello World." > > But that's fine because the bug report for the Wiki instructions has been > "Resolved" without any action taken. It sits out there spawning countless > other Wiki and blog posts all based on broken instructions. > > https://www.youtube.com/watch?v=MAfCQ-t7xY0 > > On 10/19/2017 07:57 AM, Laszlo Agocs wrote: >> Perhaps because it could be running with a pure software OpenGL >> implementation (Mesa llvmpipe) which Raspbian and friends tend to use to >> provide OpenGL on X11. (at least until VC4 becomes the default; in the >> meantime acceleration is limited to when running directly on Dispmanx, hence >> our general recommendation of using eglfs on embedded boards in order to cut >> out the potentially problematic middle layers) >> >> If that’s the case, then the performance issues showcased here have nothing >> to with QML, Qt Quick or anything Qt really. Run with QSG_INFO=1 to verify. >> >> Cheers, >> >> Laszlo >> >> From: Interest [mailto:interest-bounces+laszlo.agocs=qt...@qt-project.org] >> On Behalf Of Roland Hughes >> Sent: torsdag 19. oktober 2017 14.43 >> To: Vlad Stelmahovsky <vladstelmahov...@gmail.com> >> Cc: interest <interest@qt-project.org> >> Subject: Re: [Interest] Interest Digest Wiki instructions for PI cross >> compile do not work for PostgreSQL support >> >> Scroll down and watch the video. QML is an 800 lb gorilla trying to ride in >> a 2 cylinder car. >> >> http://www.logikalsolutions.com/wordpress/information-technology/raspberry-qt-part-12-qml-blows-big-stinky-chunks/ >> >> Nasty worthless resource pig which exists only to pursue script kiddies. >> >> On 10/19/2017 04:38 AM, Vlad Stelmahovsky wrote: >>> QML is not that resource hogging as JS. dont use JS and you'll be fine >>> >>> On Tue, Oct 17, 2017 at 8:11 PM, Roland Hughes >>> <rol...@logikalsolutions.com> wrote: >>>> On 10/17/2017 12:54 PM, interest-requ...@qt-project.org wrote: >>>>> On ter?a-feira, 17 de outubro de 2017 08:11:13 PDT Roland Hughes wrote: >>>>>>> The bug tracking system is under our control - it will not just >>>>>>> >>>>>>> disappear (from our perspective). >>>>>> >>>>>> Oh yes it will! >>>>>> >>>>>> Speaking as someone who has heard that soooooo many times before, let's >>>>>> >>>>>> just count a few for Qt shall we. >>>>>> >>>>>> The Trolltech bug database was never going to just disappear (from our >>>>>> >>>>>> perspective). It did. A tiny fraction of the bugs migrated to the new >>>>>> >>>>>> system but most were mass exterminated with >>>>> >>>>> The TT TT was not a public database. It existed internally only. When we >>>>> >>>>> switched to a public bugtracker, we could only export some entries since >>>>> many >>>>> >>>>> had confidential customer information. Those that were exported had to be >>>>> >>>>> review by a person to make sure we were not violation any NDAs or >>>>> >>>>> confidentiality. >>>>> >>>>> That's the same reason why the code repository starts with Qt 4.5, not >>>>> earlier >>>>> >>>>> versions. >>>>>> "The version this bug is reported against is no longer supported..." >>>>>> >>>>>> The Nokia bug tracker was never going to just disappear (from our >>>>>> >>>>>> perspective). It did. Few, if any of the older bugs made it into the >>>>>> >>>>>> current database. Most were mass exterminated with >>>>> >>>>> There was no Nokia database. We switched straight from the internal tdb >>>>> >>>>> (that's what it was called) to JIRA. >>>> >>>> There was a Nokia bug base as well, at least for a while. I and others >>>> entered bugs into it back in the day. Your argument also re-enforces a >>>> great many bugs "simply disappeared." >>>> >>>>>> I hear from quite a few companies in similar boats. They started >>>>>> >>>>>> development for a medical/industrial device which had a lengthy >>>>>> >>>>>> testing/approval process, filed bug reports for that version only to see >>>>>> >>>>>> them rot or fall victim to a mass extermination. >>>>> >>>>> Most open source projects don't support old versions, since they don't >>>>> have >>>>> >>>>> the manpower to do so. >>>>> >>>>>> The current owners of Qt and the current OpenSource maintainers don't >>>>>> >>>>>> offer or seem to understand the concept of an LTS (Long Term Support) >>>>>> >>>>>> version. They are constantly pursuing script kiddies and that worthless >>>>>> >>>>>> QML instead of maintaining the base which built them. This will soon >>>>>> >>>>>> force a fork in the OpenSource project. One which rips out all of the >>>>>> >>>>>> QML and focuses on nothing but bug fixes for 12 years. Yes, 12 years. >>>>> >>>>> Again, offence taken. >>>> >>>> Take all of the offense you want. Medical devices and industrial controls >>>> need LTS versions, not resource hogging QML features. Qt's chasing of the >>>> idiot phone market which has 6 months at best life spans is alienating and >>>> chasing away the very industries which made Qt successful. >>>> >>>>> I don't know who plans on forking. There's no such division in the >>>>> community, >>>>> >>>>> so any attempt to do so will probably start with very few developers. >>>>> Almost >>>>> >>>>> certainly, fewer than critical mass to maintain the codebase. >>>>> >>>>> See TQt (Trinity Project) for an example of a fork attempt. >>>> >>>> It's easy to fork something you have been maintaining internally for >>>> years. There _IS_ such a division. You don't know about it because they >>>> don't come here. They justifiably believe they've been abandoned. The >>>> relentless pursuit of "new cool features" to please the phone crowd is >>>> causing the much larger medical device and industrial control industries >>>> to create their own LTS. >>>> >>>> How many questions have you seen on here over the past 18 months about Qt >>>> 3? That project Harmman (sp?) calls about periodically sells north of a >>>> million units per year and the company is maintaining Qt 3 on its own so >>>> they can make minor product enhancements which don't have to go though >>>> multi-year clinical trials. They aren't the only calls I get about >>>> products using Qt 3, 4.2, and the most likely soon to be orphaned (if not >>>> already) 4.8. Every company I am contacted about using earlier versions >>>> has their own staff maintaining the code base today. They have had no >>>> other choice. If anything, joining forces with someone who is not a >>>> competitor but using the same tool set will lighten their load. >>>> >>>> -- >>>> >>>> Roland Hughes, President >>>> >>>> Logikal Solutions >>>> >>>> (630)-205-1593 >>>> >>>> http://www.theminimumyouneedtoknow.com >>>> >>>> http://www.infiniteexposure.net >>>> >>>> http://www.johnsmith-book.com >>>> >>>> http://www.logikalblog.com >>>> >>>> http://www.interestingauthors.com/blog >>>> >>>> http://lesedi.us/ >>>> >>>> http://onedollarcontentstore.com >>>> >>>> _______________________________________________ >>>> Interest mailing list >>>> Interest@qt-project.org >>>> http://lists.qt-project.org/mailman/listinfo/interest >>> >>> -- >>> >>> Best regards, >>> >>> Vlad >> >> -- >> >> Roland Hughes, President >> >> Logikal Solutions >> >> (630)-205-1593 >> >> http://www.theminimumyouneedtoknow.com >> >> http://www.infiniteexposure.net >> >> http://www.johnsmith-book.com >> >> http://www.logikalblog.com >> >> http://www.interestingauthors.com/blog >> >> http://lesedi.us/ >> >> http://onedollarcontentstore.com > > -- Roland Hughes, President Logikal Solutions (630)-205-1593 > http://www.theminimumyouneedtoknow.com http://www.infiniteexposure.net > http://www.johnsmith-book.com http://www.logikalblog.com > http://www.interestingauthors.com/blog http://lesedi.us/ > http://onedollarcontentstore.com > , > > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest -- Regards, Konstantin _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest
