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New posts in performance
Query from database or from memory? Which is faster?
Oct 21, 2025
c#
performance
windows-services
singleton
file-processing
Efficiently find the indices of shared values (with repeats) between two large arrays
Oct 21, 2025
python
arrays
numpy
performance
How to read .xhprof files?
Oct 21, 2025
php
performance
profiling
cpu-usage
xhprof
What is a fast way to read a matrix from a CSV file to NumPy if the size is known in advance?
Oct 21, 2025
python
numpy
performance
csv
io
Queue-like data structure with fast search and insertion
Oct 22, 2025
performance
data-structures
Why are `colMeans()` and `rowMeans()` functions faster than using the mean function with `lapply()`?
Oct 21, 2025
performance
r
mean
LibGDX / Android: Playing sound effects makes the game stutter - Sound.play() takes 4 ms on a high-end device
Oct 19, 2025
android
performance
audio
libgdx
Postgres `gin_trgm_ops` index not being used
Oct 21, 2025
postgresql
performance
database-performance
query-performance
pg-trgm
Efficiently filtering a large collection of POCO entities
Oct 22, 2025
c#
.net
performance
linq
poco
Is Android's Binder implementation always non-blocking for "void method"-calls without parameters?
Oct 20, 2025
android
performance
android-intent
android-source
android-kernel
Book about writing optimized and performing code in Java [closed]
Oct 20, 2025
java
performance
optimization
Spring Boot application can handle tons of requests
Oct 22, 2025
spring
performance
spring-boot
rocketmq
How to make Magento saving product faster?
Oct 21, 2025
mysql
sql
performance
magento
JSON parsing on server vs. parsing client side
Oct 22, 2025
json
performance
node.js
parsing
Opengl es 2.0 - why does glFinish give me a lower framerate on my new android phone compared with an old one?
Oct 19, 2025
android
performance
opengl-es
frame-rate
Executable Jars running very slowly
Oct 21, 2025
java
performance
windows-vista
jar
executable-jar
NVMe SSD read speed drops after multiple GBs read
Oct 21, 2025
c++
linux
performance
file
nvme
Reading a CSV file with 50M lines, how to improve performance
Oct 21, 2025
vb.net
performance
csv
file-io
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