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New posts in micro-optimization
Is it faster to access final local variables than class variables in Java?
Jun 12, 2019
java
optimization
micro-optimization
Fastest way to work with unaligned data on a word-aligned processor?
Aug 29, 2022
c
arm
memory-alignment
micro-optimization
cortex-m
Very fast approximate Logarithm (natural log) function in C++?
Aug 20, 2022
c++
math
logarithm
micro-optimization
sqrt
Speed of CSS
Nov 20, 2022
css
performance
rendering
micro-optimization
How can the rep stosb instruction execute faster than the equivalent loop?
Jul 24, 2021
performance
assembly
optimization
x86
micro-optimization
Test whether a register is zero with CMP reg,0 vs OR reg,reg?
Mar 16, 2022
assembly
optimization
x86
micro-optimization
Java - Declaring variables in for loops
Oct 16, 2022
java
micro-optimization
Is an unnamed parameter actually passed during a function call?
Sep 14, 2022
c++
micro-optimization
Why does the position of a function in a c++ file affect its performance
Sep 13, 2022
c++
performance
gcc
micro-optimization
std::vector-like class optimized to hold a small number of items [duplicate]
Mar 25, 2022
c++
optimization
stl
micro-optimization
What is faster: many ifs, or else if?
Sep 05, 2022
php
micro-optimization
Is the conditional operator slow?
Nov 01, 2019
c#
performance
if-statement
conditional-operator
micro-optimization
How can I unit test performance optimisations in C#?
Sep 05, 2022
c#
unit-testing
optimization
micro-optimization
Branch alignment for loops involving micro-coded instructions on Intel SnB-family CPUs
Feb 03, 2022
performance
assembly
x86
intel
micro-optimization
Why are DateTime.Now DateTime.UtcNow so slow/expensive
Aug 17, 2022
c#
performance
micro-optimization
Java: if-return-if-return vs if-return-elseif-return
Sep 03, 2022
java
if-statement
micro-optimization
Modern x86 cost model
Mar 15, 2022
performance
assembly
x86
floating-point
micro-optimization
array_push() vs. $array[] = .... Which is fastest? [duplicate]
Sep 16, 2022
php
mysql
micro-optimization
How expensive is it to convert between int and double?
Sep 03, 2022
c++
x86
c++-cli
x86-64
micro-optimization
Cycles/cost for L1 Cache hit vs. Register on x86?
Sep 03, 2022
performance
x86
cpu-architecture
cpu-cache
micro-optimization
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