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New posts in micro-optimization
Non-virtual interface? (Need a very performant low level abstraction)
May 08, 2022
c++
architecture
abstraction
idioms
micro-optimization
Is it useful to check if a Java collection is empty before beginning iteration?
Nov 18, 2022
java
collections
garbage-collection
iteration
micro-optimization
C# lambda allocation and collection
Jun 01, 2022
.net
lambda
garbage-collection
clr
micro-optimization
MIPS (curiosity) faster way of clearing a register?
Sep 23, 2022
performance
assembly
mips
cpu-architecture
micro-optimization
Accessing arbitrary 16-bit elements packed in a 128-bit register
Jun 14, 2022
assembly
sse
simd
micro-optimization
intrinsics
What is the most optimal way to use a C# struct as the key of a dictionary?
Sep 13, 2022
c#
.net
optimization
micro-optimization
Numpy performance gap between len(arr) and arr.shape[0]
Nov 14, 2022
python
arrays
performance
numpy
micro-optimization
Do most compilers optimize MATMUL(TRANSPOSE(A),B)?
Mar 30, 2021
fortran
gfortran
intel-fortran
micro-optimization
Is using AVX2 can implement a faster processing of LZCNT on a word array?
Oct 05, 2020
x86
simd
avx
micro-optimization
avx2
Efficient mod 3 in x86 assembly
Jan 22, 2020
assembly
x86-64
micro-optimization
Why is POP slow when using register R12?
Apr 03, 2022
performance
x86
intel
cpu-architecture
micro-optimization
Microoptimization: iterating with local variable vs. class member
Oct 05, 2022
c++
micro-optimization
Why is an empty function call in python around 15% slower for dynamically compiled python code
Aug 16, 2022
python
optimization
dynamic
python-2.7
micro-optimization
Alternative schemes for implementing vptr?
May 26, 2022
c++
compiler-construction
compiler-optimization
micro-optimization
vptr
How to MOVe 3 bytes (24bits) from memory to a register?
Aug 29, 2022
assembly
x86
x86-64
micro-optimization
Setting and clearing the zero flag in x86
Nov 17, 2022
performance
assembly
x86
x86-64
micro-optimization
Does stack space required by a function affect inlining decisions in C/C++?
Jun 01, 2022
c++
c
gcc
inline
micro-optimization
Performance: typedef vs wrapper class for primitive types?
Apr 24, 2018
c++
inline
micro-optimization
PHP: Check if variable is type of string AND is not empty string?
Nov 13, 2022
php
performance
micro-optimization
Quickest and most efficient way to traverse an ArrayList in reverse
Aug 28, 2022
java
arraylist
iteration
micro-optimization
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