Category "performance"

Vuejs Webpack Compression Plugin not compressing

I need help debugging Webpack's Compression Plugin. SUMMARY OF PROBLEM Goal is to enable asset compression and reduce my app's bundle size. Using the Brotli alg

Fastest way to cast a float to an int in javascript?

Let's say I have x = 12.345. In javascript, what function floatToInt(x) has the fastest running time such that floatToInt(12.345) returns 12?

Case-insensitive exact match with SQLAlchemy

How can I ensure that the = operator is always rendered case-insensitive? Are comparisions with the LOWER or the UPPER functions the best bet for performance? I

How to lock thread in javascript energy efficient?

I want to patch the alert object in the browser, to show additional text, but I need to await some data to show the necessary content in the alert. However, I c

Is there any way to improve performance (e.g. vectorize) this look-up and recoding problem implemented by a for loop?

I need to make recodings to data sets of the following form. # List elements of varying length set.seed(12345) n = 1e3 m = sample(2:5, n, T) V = list() for(i

How to generate trace on armv8 Linux - CoreSight ETM - NVIDIA DRIVE AGX

I'd like to analyze worst case execution time of the programs. For this, there is a tool and expecting trace output of the program(specifically CoreSight - Embe

mysql many tables, multiple columns group by

The table I have configured is as follows. TABLE CAT{ ID number primary key, CATNAME varchar2, ... } <Many-to-Many> TABLE CAT_CHARR{ CATID number

Leetcode word ladder : How is this solution most efficient?

I'm doing this question in Leetcode : https://leetcode.com/problems/word-ladder/ My solution was a BFA approach, and only one nested loop: def ladderLength(self

Which Java version is the fastest on and is supported by Android?

I heard that Java is becoming faster on newer versions of Android that it's almost as fast as C++, and the performance depends on the type of code/operations. I

How to use multiple CPUs with Python on a HPC?

I'm working on a data analysis project in Python and I'm using a HPC cluster to process my data. I'm having a hard time getting my program to use multiple CPUs

Why is reading a JDBC ResultSet by position faster than by name and how much faster?

Announcing Hibernate 6 the Hibernate team claims that by switching from read-by-name to read-by-position in JDBC ResultSet they gain a performance benefit. Hig

Python OpenCV streaming from camera - multithreading, timestamps

I ran simple python script on Raspberry Pi 3. This script is responsible to open video device and stream data (800x600) to HTTP endpoint using MJPEG. When I rec

Which is faster php date functions or carbon?

Carbon is simple PHP API extension for DateTime. I want to know that we can use datetime functions using by installing carbon via composer. which is faster ph

Recomendation for daily background work in Android

I just want to know any of your experiences scheduling daily jobs that perform tasks like data upload with POST API request and then update the local database w

How to make a prime decomposition function faster?

I want to make a prime decomposition function faster, but it needs to use a precomputed list of primes. This is what I have so far: def decompose(n): factor

J meter - Mobile app recording - SSL HandshakeException

I am getting below responce in result tree when record mobile app using j meter javax.net.ssl.SSLHandshakeException: Received fatal alert: certificate_unknown

During thread contention how can I speed up this ConcurrentQueue implementation which uses ReaderWriterLockSlim over a regular Queue<T>

Question: How can I implement a faster thread safe queue to support an object pool when under heavy thread contention? Scenario: My overall final objective is a

Website Performance Issue [closed]

If a website is experiencing performance issues all of a sudden, what can be the reasons behind it? According to me database can one reason or

Should I put href attribute before rel on link tag?

As in here https://github.com/joshbuchea/HEAD#performance, it recommends putting the href attribute before the rel attribute. I used to put rel before href. Ho

Is Laravel really this slow?

I just started using Laravel. I've barely written any code yet, but my pages are taking nearly a second to load! This is a bit shocking to me when my framewo