Top "Premature-optimization" questions

Which "if" construct is faster - statement or ternary operator?

There are two types of if statements in java - classic: if {} else {} and shorthand: exp ? value1 : value2. Is one …

java performance if-statement shorthand premature-optimization

Are Java static calls more or less expensive than non-static calls?

Is there any performance benefit one way or another? Is it compiler/VM specific? I am using Hotspot.

java performance premature-optimization

When is optimisation premature?

As Knuth said, We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of …

optimization premature-optimization

In Python, is there a way to call a method on every item of an iterable?

Possible Duplicate: Is there a map without result in python? I often come to a situation in my programs when …

python methods iteration premature-optimization

At which n does binary search become faster than linear search on a modern CPU?

Due to the wonders of branch prediction, a binary search can be slower than a linear search through an array …

algorithm search premature-optimization

Java: Performance of Enums vs. if-then-else

I've had no real luck getting a concise answer for this comparison by using Google and rather than do my …

java performance enums if-statement premature-optimization

Is ++i really faster than i++ in for-loops in java?

In java I usually make a for-loop like following: for (int i = 0; i < max; i++) { something } But recently a …

java loops performance premature-optimization

Calling a getter multiple times or calling once and assigning to a variable?

say suppose I have class as : public class Age { private int age; public int getAge() { return this.age; } } In my …

java premature-optimization