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New posts in performance
Javascript Array: what is a Big O of performing sort and then map right after on it?
Oct 25, 2025
javascript
performance
sorting
time-complexity
big-o
LMAX Disruptor as a blocking queue?
Oct 25, 2025
java
multithreading
performance
garbage-collection
disruptor-pattern
Expensive IEnumerable: Any way to prevent multiple enumerations without forcing an immediate enumeration? [duplicate]
Oct 24, 2025
c#
performance
linq
JMeter Multiple Log Files from Command Line
Oct 23, 2025
performance
jenkins
jmeter
performance-testing
understand sysstat sar memory output
Oct 24, 2025
linux
performance
memory
cpu
sar
Formulas make SpreadsheetApp work slower in Google Sheets Script
Oct 23, 2025
performance
google-apps-script
google-sheets
triggers
google-sheets-formula
How to convert date format to UTC in Scala?
Oct 24, 2025
java
scala
performance
date
simpledateformat
Multiplying very large 2D-array in Python
Oct 24, 2025
python
arrays
performance
numpy
matrix
Is it necessary to use 'Limit 1' for 'SQL SELECT' for performance?
Oct 24, 2025
mysql
sql
performance
pandas "isin" is much slower than numpy "in1d"
Oct 23, 2025
pandas
performance
numpy
benchmarking
Why is only reading faster in an indexed table and not writing?
Oct 24, 2025
sql
database
performance
indexing
database-indexes
is JVM stopped while executing jmap -heap option?
Oct 24, 2025
java
performance
jvm
heap-dump
jmap
Why acquiring a locked lock is slower when using JDK21 compared to JDK11
Oct 23, 2025
java
performance
jmh
java-21
rules for exploiting pypy performance speedup vs python
Oct 24, 2025
performance
pypy
How to display actual loop count in JMeter
Oct 24, 2025
performance
testing
jmeter
jmeter-5.0
What is a better way to match multiple substrings in a string than to search for each substring in a loop?
Oct 24, 2025
python
regex
performance
substring
Calculating average time for a memory access
Oct 23, 2025
performance
memory
computer-science
cpu-architecture
cpu-cache
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