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New posts in micro-optimization

How do I optimize a loop which can be fully strict

performance haskell micro-optimization

Threshold an absolute value

c++ c language-lawyer undefined-behavior micro-optimization

Why is strtolower slightly slower than strtoupper?

php c performance micro-optimization

java micro-optimization: combine set of boolean instance variables to bit vector based on int

java boolean micro-optimization bitvector

In Java, should Integer object be preferred over int primitive (same for other numeric types)?

java performance micro-optimization

C++ fixed size arrays vs multiple objects of same type

c++ c micro-optimization

is i=(i+1)&3 faster than i=(i+1)%4

c++ micro-optimization

What is faster in Python, "while" or "for xrange"

python micro-optimization

Is x >= 0 more efficient than x > -1?

c++ optimization micro-optimization

How to improve performance on a function that operates on two arrays in clojure

clojure micro-optimization mathematical-optimization

Why move 32-bit register to stack then from stack to xmm register?

assembly x86 sse att micro-optimization

Weird performance effects from nearby dependent stores in a pointer-chasing loop on IvyBridge. Adding an extra load speeds it up?

assembly x86 micro-optimization microbenchmark micro-architecture

Ever any performance different between Java >> and >>> right shift operators?

java performance bit-shift micro-optimization

Why does the compiler not always optimize away local variables?

c++ gcc compiler-optimization micro-optimization

Non-virtual interface? (Need a very performant low level abstraction)

c++ architecture abstraction idioms micro-optimization

Is it useful to check if a Java collection is empty before beginning iteration?

java collections garbage-collection iteration micro-optimization

C# lambda allocation and collection

.net lambda garbage-collection clr micro-optimization

MIPS (curiosity) faster way of clearing a register?

performance assembly mips cpu-architecture micro-optimization

Accessing arbitrary 16-bit elements packed in a 128-bit register

assembly sse simd micro-optimization intrinsics

What is the most optimal way to use a C# struct as the key of a dictionary?

c# .net optimization micro-optimization
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