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Great Reads

Constructing Fast Lexical Analyzers with RE/flex - Why Another Scanner Generator?

by Robert van Engelen

RE/flex for C++

Duck Three Ways: File I/O and String Performance Comparison Between C#, C++, and C

by Michael Sydney Balloni

Different languages and approaches are evaluated for a file and string processing benchmark

Asp.Net: Monitor performance without using windows performance counters.

by Sergey Volk

Open source framework for monitoring Asp.Net Web Api 2 and MVC5 applications performance without using windows performance counters, automates performance counters data collection, store and visualization.

Parallel Scalable Burrows-Wheeler Transformation (BWT) Using Intel® Threading Building Blocks and OpenMP Libraries

by Arthur V. Ratz

This article is a practical guide on using Intel® Threading Building Blocks (TBB) and OpenMP libraries for C++ based on the example of delivering parallel scalable code that implements Burrows-Wheeler Transformation (BWT) algorithm.

Latest Articles

Threading - Under the Hood

by Marco-Hans Van Der Willik

This article explores the performance, scalability and limitations of the various .NET Threading Implementations.

NewtonPlus - A Fast Big Number Square Root Function

by Ryan Scott White

A fast, possibly the fastest, square root function for Big Integers and Floats in C# and Java.

Using a Variation on RLE to Achieve Lossless Compression for Near-consecutive or Grouped Tabular Data

by Jack Devey

Introducing a lossless compression mechanism for data structured in a table or matrix

by Mirzakhmet Syzdykov

Traveling Salesman Problem using Ant Colony Optimization

All Articles

Performance

Constructing Fast Lexical Analyzers with RE/flex - Why Another Scanner Generator?

30 Apr 2020 by Robert van Engelen

RE/flex for C++

Duck Three Ways: File I/O and String Performance Comparison Between C#, C++, and C

27 Sep 2022 by Michael Sydney Balloni

Different languages and approaches are evaluated for a file and string processing benchmark

Asp.Net: Monitor performance without using windows performance counters.

15 Feb 2017 by Sergey Volk

Open source framework for monitoring Asp.Net Web Api 2 and MVC5 applications performance without using windows performance counters, automates performance counters data collection, store and visualization.

Parallel Scalable Burrows-Wheeler Transformation (BWT) Using Intel® Threading Building Blocks and OpenMP Libraries

2 May 2017 by Arthur V. Ratz

This article is a practical guide on using Intel® Threading Building Blocks (TBB) and OpenMP libraries for C++ based on the example of delivering parallel scalable code that implements Burrows-Wheeler Transformation (BWT) algorithm.

Happiness is good logging

11 Feb 2013 by DahlSailRunner

Really effective logging using Enterprise Library and just a little custom code.

NewtonPlus - A Fast Big Number Square Root Function

1 Jul 2023 by Ryan Scott White

A fast, possibly the fastest, square root function for Big Integers and Floats in C# and Java.

Indexed Views and How It Can Help in Improving Query Performance

23 Mar 2019 by Minh Tuan Do

A considerable method to speed up query running time

Array-Based Memory Pool and Allocator

6 Feb 2023 by Vadim Stadnik

Simple and useful alternative to traditional memory pool

memory-management

Search Selectable Virtual List

3 Jan 2013 by Young Ye

This article is the part 3 of the data display Performance Optimization series. It talks about performing multiple searches against the virtual list.

Performance testing of ORM layers in Python and C++

27 Jan 2015 by Vaclav Naydenov

Comparing the performance of two similar CRUD server apps, one written in Python and SQLAlchemy, the other in C++ and YB.ORM.

Implement Virtual List with Paged Data

3 Jan 2013 by Young Ye

This article solve the performance issue while loading and displaying large amounts of data by using a virtual list with paged data technique.

All about XmlSerializer Performance and Sgen

21 Jan 2013 by Amit Bezalel

Improving XmlSerialization performance.

Indexing Columns in Redis

16 Jan 2016 by Najeeb Shaikh

Unlike SQL databases, Redis does not support querying by columns natively, which means that you have to maintain your own indexes. As it turns out, Redis provides a rich set of data types to the programmer to ease this task.

ng-repeat Performance Degradation at Case of Very Big Iterated Array

13 Sep 2017 by SlavaUtesinov

How to solve problem, when ng-repeat directive iterates very big array and it causes significant performance degradation

Breaking Cross-Architecture Barriers with oneAPI: Libraries for Easy Heterogeneous Compute

13 Oct 2022 by Robert Mueller-Albrecht

In this article we explore how using oneAPI the software-development paradigm changes and targeting and maintaining multiple execution environments for a given workload becomes more easily achievable

Implement Selectable Virtual List

3 Jan 2013 by Young Ye

This article is Part 2 of the data display performance optimizing series. The Selectable Virtual List is a list where you can select individual items in the list, and move it out or in to the list. You can also use the select all checkbox to select all items in the list.

Asynchronous LRU Cache (CLOCK-2-hand) Implementation In NodeJS

29 Sep 2021 by tugrulGtx

CLOCK caching (LRU approximation) with O(1) cache hit, up to N asynchronous O(1) cache misses

Coz: Finding Code that Counts with Causal Profiling - An Introduction

15 Sep 2016 by matt warren

Coz: Finding Code that Counts with Causal Profiling - An Introduction

packetcache: Exploring Development of a memcache-like Network Cache

29 Nov 2022 by Michael Sydney Balloni

This article explores UDP programming, LRU cache development, and .NET packet processing.

Performance Counters-MultiInstance/MultiCategory

17 Sep 2013 by Anand_Joshi

Performance counters: MultiInstance/MultiCategory.

ASP.NET Optimization

11 Oct 2013 by ASP.NET Community

Here's even more performance tips for making ASP.NET fly.Checklist: ASP.NET Performance The 2004 Patterns and Practices Book "Improving .NET

Performance

11 Oct 2013 by ASP.NET Community

The blogosphere is a wealth of real-world tips and tricks for improving your ASP.NET application's performance.Checklist: ASP.NET Performance

Easy SIMD through Wrappers

13 May 2015 by Android on Intel

This article aims to change your thinking on how SIMD programming can be applied in your code.

Accelerating Python Today

13 Dec 2022 by Intel

Getting Ready for the Cambrian Explosion in Accelerator Architectures

Solving performance issues in data migration to SQL Server

10 Nov 2011 by Phani Krishna Kollapur Gandla

How to solve performance issues in data migration to SQL Server.

New in Visual Studio 2008 (Local and Global Resources)

11 Oct 2013 by ASP.NET Community

Local and Global ResourcesIn the past, Global Resources were compiled to satellite assemblies, where as local resources were XML files, this

Asynchronous update of page immediately after load to improve response time

11 Oct 2013 by ASP.NET Community

Response time is one of major factor in deciding the performance of web application. Many time we come across pages where content of page can be

Optimize Web Server and SQL Server Performance

11 Oct 2013 by ASP.NET Community

links:Optimize Web Server Performance in Windows Server 2003Optimizing IIS 6.0 Performance Top Ten Ways To Pump Up IIS PerformanceIIS Performance

Not built in a day - lessons learned on Total War: ROME II

17 Jan 2014 by Paul Lindberg

This case study details how the game takes best advantage of low-power systems, while still scaling up to look and run fantastic on more robust systems.

Monitor the Heartbeat of Your Software with Raygun Pulse

17 Nov 2015 by Jeffrey T. Fritz

With just a 10 minute investment up front to configure Raygun Pulse for my Wordpress blog, I was able to monitor my site for a few days free of charge to see how it performs.

product-showcase

oneAPI – The Cross-Architecture, Multi-Vendor Path to Accelerated Computing

9 Dec 2022 by Intel

In this article we explore why oneAPI is an alternative to proprietary programming models for accelerated computing.

Accelerating PyTorch with Intel® Extension for PyTorch

12 Dec 2022 by Intel

An Open-Source Extension to Boost PyTorch Performance

Using Arm64EC with Windows 11

22 May 2023 by Dawid Borycki

This article demonstrates how to use Arm64EC in a C++ application. The application you will implement performs the multiplication of two pseudo-randomly generated square matrices.

Threading - Under the Hood

11 Jul 2023 by Marco-Hans Van Der Willik

This article explores the performance, scalability and limitations of the various .NET Threading Implementations.

Efficient Algorithms to Trim In-String White Spaces

14 Aug 2015 by DrABELL

This is an alternative for "Fastest method to trim all whitespace from Strings in .NET"

HigLabo.Mapper, Creating Fastest Object Mapper in the world with Expression Tree in 10 Days

28 Dec 2021 by Higty

Fastest mapper in the world, easy to Use, ZERO configuration, FULL customization

Priori - A Fast dynamic_cast<> Alternative

20 Jun 2013 by DigitalInBlue

This article discusses the implementation and use of a fast alternative to dynamic_cast, Priori.

Easy Caching with C# and PostSharp

16 Dec 2013 by Rafid K. Al-Humaimidi

Easily support caching in your C# application to improve its performance.

Why is the digital I/O in Arduino slow and what can be done about it?

16 May 2014 by Jan Dolinay

This article explains why the Arduino digital I/O functions are slow and compares them with faster implementation used in Wiring framework.

microcontroller

Database performance optimization part 2 (Index maintenance)

23 Aug 2011 by Kanasz Robert

In this second part of series of articles about database performance optimization I will discuss about index maintenance.

B-Tree Sorted Dictionary

27 Aug 2012 by Gerardo Recinto

In-memory B-Tree sorted dictionary

Microsecond and Millisecond C# Timer

14 Apr 2013 by ken.loveday

MicroTimer: A microsecond and millisecond timer in C# that is used in a similar way to the .NET System.Timers.Timer.

Using Quaternions Efficiently in Real-time Applications

10 Nov 2010 by gtdelarosa

Various methods for using quaternions in ways that maximize performance

Benchmark start-up and system performance for .Net, Mono, Java, C++ and their respective UI

2 Sep 2010 by dmihailescu

What is the start-up and system performance overhead for .Net, Mono, Java versus C++ and Forms, WPF, Swing versus MFC

QS Part 1 - A New Approach to Unit and Integration Testing

9 Nov 2010 by Simeon Sheye

Quality Gate One Studio is a testing framework that suggests a new approach to unit and integration testing.

Tweaking WCF to build highly scalable async REST API

31 Jul 2011 by Omar Al Zabir

You can build async REST API using WCF but due to some bug in WCF implementation it does not scale as you would want it to. Here's my journey with Microsoft's WCF team to explore the problem and find the right fix.

Three Levels of API Testing

16 Dec 2013 by Seckin Tozlu

How to create a comprehensive test suite for your API

web_development

Efficient Map Operations for Arrays in C#

3 Sep 2012 by Christopher Diggins

An informal survey of implementation techniques of the map higher-order function for arrays in C#.

Database performance optimization part 1 (Indexing strategies)

20 Aug 2011 by Kanasz Robert

In this first part of series of articles about database performance optimization I will discuss about indexing strategies and index maintenance.

Choosing the Right Collection

26 Apr 2016 by Arthur Minduca

How to choose the right data structure for a collection of elements

Digging Into .NET Loop Performance, Bounds-checking, Iteration, and Unrolling

20 Nov 2014 by Ben M Watson

Get into the details of .NET array access optimization and how you can pattern your code for efficiency.

Improve cross-AppDomain communication using JointCode.Shuttle

27 Jul 2017 by Johnny_Liu

JointCode.Shuttle is a fast, flexible and easy-to-use service-oriented framework for cross-AppDomain communication. It's a replacement for MarshalByrefObject which is provided by the runtime libraries.

Fast and Less Fast Loops in C#

17 Jan 2011 by Simeon Sheye

How fast can a loop reading from memory be made to run and how does loop constructs, data types, interfaces, unrolling and hoisting affect performance?

Quick Ways to Boost Performance and Scalability of ASP.NET, WCF and Desktop Clients

11 Jun 2011 by Omar Al Zabir

There are some simple configuration changes that you can make on machine.config and IIS to give your web applications significant performance boost. These are simple harmless changes but make a lot of difference in terms of scalability.

Fastest method to remove all whitespace from Strings in .NET

30 Jul 2015 by Felipe R. Machado

There are countless ways to trim all whitespace from a string, but which one is faster?

regular-expression

Know your application better with visual studio 2010 load testing

9 Aug 2012 by Shahriar Iqbal Chowdhury/Galib

Configure visual studio load testing tool and utilize to scale application by analyzing testing results

Faster page rendering by downloading JS/CSS before server generates full page

15 Aug 2014 by Omar Al Zabir

Let browser download Javascripts, CSS while server is still performing expensive operation and generating the page output

Troubleshooting ASP.NET based Enterprise Application Performance Problem

27 Jan 2013 by Henry He

In this article, I introduce a process and related skill for troubleshooting ASP.NET based enterprise application performance problem. This process is summarized from my personal experience in this area.

Using Span<T> to Improve Performance of C# Code

27 Nov 2021 by Bohdan Stupak

Overview of Span C# feature and an example of how it can improve the existing codebase

WCF Optimization and Service @ High Speed

11 Aug 2010 by Justin Mathew @ Investment Bank

Implementing high speed wcf service with Cient side Service Caching and Instance Management

So You've Got 10M Particles to Simulate

8 Sep 2021 by Michael Sydney Balloni

Performance of data structures in C++ vs. C#

Accelerated .NET Types

28 Mar 2016 by Dmitriy Gakh

Intensive Big Data processing and Mobile Applications require fast calculations and compact data storage. Design of new quick and save .NET types with small overhead is not a simple task. This article describes creating of such type without overhead and with advantages only.

.NET-Compiler-Platform

Automatic JS, CSS Versioning to Update Browser Cache when Files are Changed

11 Jun 2011 by Omar Al Zabir

An HttpFilter that processes the output generated by dynamic pages and appends the last modified date of static files like js, css in order to make browsers download latest version as soon as files are changed

Flexible Particle System - Updaters

8 Jun 2014 by Bartlomiej Filipek

Flexible Particle System - Updaters

node.js Performance Profiling Per Functions

4 Dec 2014 by Ralph Varjabedian

Get a meaningful insight into your node.js code performance without code changes. Quickly learn which functions are using the most CPU time.

High-Performance Statically Buffered String

21 Feb 2016 by Shvetsov Evgeniy

String class with the auto. managed memory pool and performance tweaks + support modules

Stack Overflow - Performance Lessons (Part 2)

13 Sep 2016 by matt warren

Stack Overflow - Performance lessions (Part 2)

Performance Testing of ASP.NET Website

2 Dec 2010 by Ravi Karia

This article explains performance testing of ASP.NET website using VSTS 2008

virtual-machine

Measuring COM+ Performance

21 Jun 2016 by Alexandros Pappas

Measuring COM+ performance

VB6 and VBA: Creating a Variable and an Array that Points to Same Data

10 Mar 2014 by EiadXP

This is a very fast way to access string (or other) data with minimum memory consumption.

Simple Performance Timer

11 Jan 2016 by Bartlomiej Filipek

Description of a simple performance timer that can be used to profile cpp code in your app

How to identify worst performing queries & improve their performance

2 Dec 2015 by Rajesh Kumar

This article is all about how to identify the worst performing queries in the running application or some specific module of the aplication.

Bulk Data Management

27 Nov 2012 by Srinivasu Pemma

This is the best way to handle or manage bulk data insert to sql server taken from my technical blog http://www.srinetinfo.com/2012/11/bulk-data-management.html

Business Validation Techniques on SOA

14 Apr 2013 by Nestor Marsollier

A point of view about business validations on enterprise applications

10 Tips to Improve Performance of ASP.NET Core Application

24 Feb 2019 by MukeshKumarTech

In this post, we will learn a few points which can be implemented while developing the website in ASP.NET Core to improve performance.

When Sorting Needs To Be Faster

15 Jun 2011 by Randy Maxwell

Sorting during data acquisition