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New posts in micro-optimization

Test whether a register is zero with CMP reg,0 vs OR reg,reg?

Java - Declaring variables in for loops

java micro-optimization

Is an unnamed parameter actually passed during a function call?

c++ micro-optimization

Why does the position of a function in a c++ file affect its performance

std::vector-like class optimized to hold a small number of items [duplicate]

What is faster: many ifs, or else if?

php micro-optimization

Is the conditional operator slow?

How can I unit test performance optimisations in C#?

Branch alignment for loops involving micro-coded instructions on Intel SnB-family CPUs

Why are DateTime.Now DateTime.UtcNow so slow/expensive

Java: if-return-if-return vs if-return-elseif-return

Modern x86 cost model

array_push() vs. $array[] = .... Which is fastest? [duplicate]

How expensive is it to convert between int and double?

Cycles/cost for L1 Cache hit vs. Register on x86?

Is performance reduced when executing loops whose uop count is not a multiple of processor width?

Why date() works twice as fast if we set time zone from code?

Why does n++ execute faster than n=n+1?

Why does breaking the "output dependency" of LZCNT matter?

'Correct' unsigned integer comparison