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Author Topic: Ask Reuben 66 - Profiler  (Read 5546 times)
Reuben B.
Four Js
Posts: 1048

« on: February 18, 2021, 04:52:53 am »

The Program Profiler is a very handy tool for the developer that allows them to determine why and where their program is running slowly.  It can help you identify bottlenecks in your code and suggests where there is room for potential improvement, and where you should invest your time looking to make it run faster.

To learn more about the profiler, how to execute it, and how to interpret the output, read more at

Product Consultant (Asia Pacific)
Developer Relations Manager (Worldwide)
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Pedro R.
Posts: 3

« Reply #1 on: March 10, 2021, 10:19:47 am »

Hi Reuben!

Profiler is one of the best tools.

We made a tool to process 4js profiler output and generate an input file suitable to use with FlameGraphs. If anyone don't know Flame Graphs, he should... ;-)

If you are interested, this is the link to github:

* 4js_fg.png (32.46 KB, 1200x372 - viewed 1194 times.)
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