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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%.
(Score: 5, Insightful) by janrinok on Friday February 23 2018, @05:25AM
I edited and released this story. I am also a programmer who dabbles in IoT and enjoys building and programming all sorts of things. There is plenty of interest in this story for people such as myself. Whether you want to criticise comparing size footprint, memory usage or running speed of html when compared with a modern toolkit, or whether you are deciding what to make next and how to write/structure the code, there is something to note.
Not every story will appeal to every member of our community. Please feel free to skip the stories that don't press the right buttons for you. Better still, why not submit a few stories of things that do interest you and we will try to get them onto the front page? But, from my point of you, the story has already been a success - you have been moved to submit a comment and it is the comments that make this site different.
JR