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New posts in micro-optimization
C++ Adding 2 arrays together quickly
Oct 26, 2022
c++
performance
arrays
micro-optimization
simd
Fast Euclidean division in C
Oct 07, 2018
c
bit-manipulation
micro-optimization
Avoiding AVX-SSE (VEX) Transition Penalties
Sep 26, 2022
assembly
x86
sse
avx
micro-optimization
Why is using structure Vector3I instead of three ints much slower in C#?
Feb 11, 2022
c#
performance
x86
compiler-optimization
micro-optimization
intel
For loop performance: counters with same value vs. different values
May 01, 2021
java
for-loop
optimization
micro-optimization
Are there any performance test results for usage of likely/unlikely hints?
Feb 04, 2022
c++
c
optimization
gcc
micro-optimization
Using bools in calculations to avoid branches
Mar 14, 2019
c++
optimization
c++11
boolean
micro-optimization
Two's complement of long integer
Aug 31, 2022
assembly
x86-64
micro-optimization
twos-complement
Why are these 8 byte-writes not optimized into a MOV?
Dec 25, 2020
c++
gcc
optimization
x86
micro-optimization
How to force NASM to encode [1 + rax*2] as disp32 + index*2 instead of disp8 + base + index?
Dec 29, 2020
assembly
x86
nasm
micro-optimization
machine-code
Most efficient popcount on `__uint128_t`?
Feb 05, 2021
c
gcc
x86-64
intel
micro-optimization
What's the easiest way to determine if a register's value is equal to zero or not?
Nov 18, 2022
assembly
x86
micro-optimization
Difference between "or eax,eax" and "test eax,eax" [duplicate]
Sep 21, 2022
assembly
x86
micro-optimization
Which Intel microarchitecture introduced the ADC reg,0 single-uop special case?
May 09, 2022
performance
assembly
x86
intel
micro-optimization
Why are bitwise operators slower than multiplication/division/modulo?
Oct 01, 2022
python
optimization
bitwise-operators
micro-optimization
Is thread time spent in synchronization too high?
Sep 05, 2021
c#
multithreading
performance
concurrency
micro-optimization
Does calling the constructor of an empty class actually use any memory?
Oct 29, 2022
c++
templates
metaprogramming
micro-optimization
Faster implementation of Math.round?
Nov 13, 2017
java
math
rounding
micro-optimization
Java: micro-optimizing array manipulation
Dec 21, 2019
java
performance
optimization
neural-network
micro-optimization
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