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  Bytes Matter

I love to profile applications, because I always learn something that surprises me.Initial Profiler Surprise: Client SideCase in point, I was recently profiling our Android application, the Famigo Sandbox. This app sends a lot of data back and forth with our API, as we try to determine which of the apps on your phone are safe for your kids. I always assumed that, if app performance suffered during some of the chattier features, it was probably due to slow cell reception.The profiler told me that I was wrong; the tran...

2,646 0       IMPORTANCE OPERATION LOW LEVEL BYTE


  The trap of the performance sweet spot

This post is about JavaScript performance but I would like to start it by telling a story that might seem unrelated to JS. Please bear with me if you don’t like C.A story of a C programmer writing JavaScriptMr. C. is a C programmer as you can probably guess from his name. Today he was asked by his boss to write a very simple function: given an array of numbered 2d points calculate vector sum of all even numbered points... He opens his favorite text editor and quickly types something like (I’ll be intentionally skipping some #include boilerplate):typedef s...

2,005 0       JAVASCRIPT MEMORY C LOW LEVEL SWEET SPOT TRAP


  Don’t Call Yourself A Programmer, And Other Career Advice

If there was one course I could add to every engineering education, it wouldn’t involve compilers or gates or time complexity.  It would be Realities Of Your Industry 101, because we don’t teach them and this results in lots of unnecessary pain and suffering.  This post aspires to be README.txt for your career as a young engineer.  The goal is to make you happy, by filling in the gaps in your education regarding how the “real world” actually works.  It took me about ten years and a lot of suffering to figure out some of this, starting from “f...

6,952 0       PROGRAMMER DEVELOPMENT ADVICE CAREER LOW LEVEL