Surprising Java performance
1889
How do I write a correct micro-benchmark in Java?
87752
JavaScript: document.getElementById slow performance?
33246
How slow are .NET exceptions?
57705
can the order of code make this program faster?
9384
Big-O summary for Java Collections Framework implementations?
54467
Heap versus Stack allocation implications (.NET)
17990
Why does the order of the loops affect performance when iterating over a 2D array?
124400
Why is mutating the [[prototype]] of an object bad for performance?
130025
Why is numpy.array so slow?
72581
Why most JavaScript native functions are slower than their naive implementations?
81963
Why is processing a sorted array faster than processing an unsorted array?
19232
Strange floating-point behaviour in a Java program
60921
Why does Python "preemptively" hang when trying to calculate a very large number?
140581
Java thread affinity
18758
Performance Advantages to Iterators?
28755
Performance issues with nested loops and string concatenations
5481
Testing thread priority. How come in some cases low priority threads are faster?