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New posts in performance
Kernel copying CoW pages after child process exit
Oct 18, 2022
c++
performance
memory
linux-kernel
copy-on-write
Python mmap - slow access to end of files [with test code]
Oct 18, 2022
python
performance
mmap
What is a typical use case of iterative solvers for linear systems in R?
Oct 17, 2022
r
performance
numerical-methods
React downloads pending images of previous render
Oct 16, 2022
javascript
reactjs
performance
react-dom
Why is using IAsyncEnumerable slower than returning async/await Task<T>?
Oct 17, 2022
c#
sql-server
performance
async-await
iasyncenumerable
What is the fastest way to swap the bytes of an unaligned 64 bit value in memory?
Oct 18, 2022
performance
assembly
x86-64
endianness
micro-optimization
How to count number of executed instructions of a process id including child processes
Oct 18, 2022
linux
performance
docker
cpu-architecture
perf
Why is random.shuffle so much slower than using sorted function?
Oct 17, 2022
python
performance
random
shuffle
Angular App performance with one script file vs many script files
Sep 24, 2022
javascript
angularjs
performance
qpainter painting alternatives (performance sucks on Mac)
Dec 11, 2021
c++
performance
qt
macos
paint
Fastest way to write huge data in file
Sep 19, 2022
python
performance
file
Performance of x86 rep instructions on modern (pipelined/superscalar) processors
Sep 05, 2022
performance
assembly
x86
pipeline
Why does Linux's scheduler put two threads onto the same physical core on processors with HyperThreading?
Oct 29, 2020
linux
multithreading
performance
scheduler
Why does sync.Mutex largely drop performance when goroutine contention is more than 3400?
May 23, 2022
performance
go
Efficiency of using IEqualityComparer in Dictionary vs HashCode and Equals()
Sep 21, 2022
c#
.net
performance
dictionary
Spark sql queries vs dataframe functions
Oct 21, 2022
sql
performance
apache-spark
dataframe
apache-spark-sql
ColdFusion: More efficient structKeyExists() instead of isDefined()
Jun 13, 2020
performance
optimization
coldfusion
cfml
premature-optimization
mysql_connect (localhost / 127.0.0.1) slow on Windows platform
Jul 26, 2020
php
mysql
performance
localhost
mysql-connect
geocoder.getFromLocation function throws "Timed out waiting for server response" exception
Oct 01, 2022
android
performance
Most efficient approach for multilingual PHP website
Oct 14, 2022
php
mysql
performance
multilingual
gettext
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