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Java profiling

YourKit is a great Java profiling tool. It is a commercial software but you can get a free 15-day evaluation license key for a fully functional version of the profiler.

The past week I was working on a Java project and the software was very slow. Using YourKit I could easily find the bottleneck. It turned out that 94% of the time was spent in a function that I implemented in a naive way. Choosing a better algorithm the software got much faster. A profiler is really useful…

For Java I use Eclipse. YourKit integrates in Eclipse perfectly through an Eclipse plugin.

Python profiling

Here is an excellent post about Python profiling.

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