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posted by janrinok on Thursday February 22 2018, @10:49PM   Printer-friendly
from the choose-wisely dept.

Both Facebook and Netflix implemented their eponymous apps with Web. Despite spending millions of dollars, neither of them could achieve an iPhone-like user experience (60 frames per second and less than 100ms response to user inputs) on anything less powerful than a system-on-chip (SoC) with four ARM Cortex-A9 cores.

In contrast, numerous products like infotainment systems, in-flight entertainment systems, harvester terminals and home appliances prove that you can achieve an iPhone-like user experience (UX) on single-core Cortex-A8 SoCs. Our above-mentioned manufacturer HAM Inc. (renamed for the sake of confidentiality) verified these results by building both a Web and Qt prototype.

In this white paper, Burkhard Stubert explains how he could save one of the world's largest home appliance manufacturers millions of Euros by choosing Qt over HTML. The secret? Qt scales down to lower-end hardware a lot better, without sacrificing user experience.

With a five times smaller footprint, four to eight times lower RAM requirements and a more efficient rendering flow than HTML, Qt provides faster start-up times and maintains the cherished 60fps and 100ms response time, where HTML would struggle. The calculations show that being able to just downgrade your SoC by just one tier like this, Qt can reduce your hardware costs by over 53%.


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  • (Score: 1, Interesting) by Anonymous Coward on Thursday February 22 2018, @11:33PM (8 children)

    by Anonymous Coward on Thursday February 22 2018, @11:33PM (#642073)

    Idk who modded the above troll, but its absolutely correct. Qt makes money selling commercial licenses and support. TFA is an advertisement.

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  • (Score: 3, Insightful) by FatPhil on Friday February 23 2018, @04:00AM (5 children)

    by FatPhil (863) <pc-soylentNO@SPAMasdf.fi> on Friday February 23 2018, @04:00AM (#642199) Homepage
    Space-X makes money from launching things, ans Tesla makes money from selling cars, so we should have no Elon Musk stories?

    Drug companies make money from selling drugs, and biotech companies make money from 3D-printed, or petri-dish-grown, body parts, so there should be no health-related stories?

    Believe it or not, the world is commercial, it's not some hippy commune or punk squaat, and therefore most stories will involve a commercial entity. Do you want to ban them all?

    If not, it seems what you object to is anything being painted in a positive light, and all you want is hate stories. I wonder what Freud would say...
    --
    Great minds discuss ideas; average minds discuss events; small minds discuss people; the smallest discuss themselves
    • (Score: 1) by snmygos on Friday February 23 2018, @06:58AM (1 child)

      by snmygos (6274) on Friday February 23 2018, @06:58AM (#642246)

      Maybe if they have compared the development time (JS vs C++) and debugging, it would be less favorable to Qt? Or the price of the license, etc...

      • (Score: 2) by janrinok on Friday February 23 2018, @10:14AM

        by janrinok (52) Subscriber Badge on Friday February 23 2018, @10:14AM (#642301) Journal

        Even if HAM offset the SoC costs against the costs of the commercial Qt license, HAM would have to pay millions of euros more for a Web than for a Qt solution. And, HAM would have no way to scale down the Web solution to mid-range and low-end appliances.

        Cost of the license was considered.

    • (Score: 0) by Anonymous Coward on Friday February 23 2018, @09:20AM (2 children)

      by Anonymous Coward on Friday February 23 2018, @09:20AM (#642282)

      Space-X doesn't sell to us, to us they are just cool stuff.

      Health-related stories are usually either negative or so far in the future that it can't be considered advertising anyway.

      The Tesla stories, though, might be taken as advertising by some.

      • (Score: 2) by unauthorized on Friday February 23 2018, @09:51AM (1 child)

        by unauthorized (3776) on Friday February 23 2018, @09:51AM (#642291)

        Brand awareness is a real advertisement strategy, and quite deplorable at that. Basically, they are trying to cramp their company/product name in everyone's heads by repeatedly putting their brand in your face everywhere you go. It is nothing short of deliberate attempts at brainwashing the public by exploiting the shared flaws of human cognition.

        • (Score: 0) by Anonymous Coward on Friday February 23 2018, @12:00PM

          by Anonymous Coward on Friday February 23 2018, @12:00PM (#642327)

          If their product is actually better who cares?

  • (Score: 0) by Anonymous Coward on Friday February 23 2018, @09:13AM

    by Anonymous Coward on Friday February 23 2018, @09:13AM (#642279)

    So what are good equivalents of Qt for stated purpose? Java?

  • (Score: 0) by Anonymous Coward on Friday February 23 2018, @05:54PM

    by Anonymous Coward on Friday February 23 2018, @05:54PM (#642492)

    ads for FOSS don't count. only slaveware should be banned.