C++

21 articles · Latest August 1, 2024

Lourens Veen·Aug 1, 2024

Scripting vs. Programming

Lourens Veen·Apr 26, 2023 Any remaining differences are usually due to particular features supported by certain languages. In R for example, you can write down a statistical model...

eScience

eScience Editorial Team·Mar 2, 2023

Minds for Mobile Agents: speeding up social distancing simulations

This blog post is written by University of Amsterdam researchers Charlotte Tanis and Andrew Heathcote, who participated in the Small-Scale Initiative for Software Performance Optim...

Johan Hidding·Nov 10, 2022

Unweaving legacy code using Entangled

For a Research Software Engineer, dealing with legacy code is seen as a chore: dirty work, but a necessary evil. But the truth is, every time I read someone else’s code, I learn so...

Abel Soares Siqueira·Nov 3, 2022

10 examples of embedding Julia in C/C++

The trapezoid function has 4 arguments, therefore we have to use the general jlcall that we mentioned before. The arguments of jlcall are the function, an array of jlvaluet argumen...

eScience Editorial Team·Aug 16, 2022

Our favourite high performance programming tools

Does your code need a performance boost? Ask us! Photo by Alenka Skvarc on Unsplash We hope you are relaxed and enjoying your holiday period. We really do. So it may seem ironic th...

eScience Editorial Team·Aug 2, 2022

Our favourite Python tools for research

Photo by Ethan Robertson on Unsplash Ah, summer. A time to relax, go on holiday, and learn new things. At the eScience Center, we love summer. And we love Python. So, for summer,...

Abel Soares Siqueira·Feb 11, 2022

Can Python with Julia be faster than low-level code?

Part 3 of the series on achieving high performance with high-level code Here comes a new challenger: It is Julia. Photo by Joran Quinten on Unsplash ( https://unsplash.com/photos/M...

Abel Soares Siqueira·Jan 26, 2022

Speed up your Python code using Julia

Part two of the series on achieving high performance with high-level code Python holds the steering wheel, but we can make it faster with other languages. Photo by Spencer Davis on...

Patrick Bos·Nov 16, 2021

Combining ZeroMQ & POSIX signals

Use ppoll to handle EINTR once and for all Eventually, I found this article on EINTR in ZeroMQ by Martin Sustrik (ZeroMQ creator) himself. More precisely, in the comment section Am...

Johan Hidding·Jul 7, 2021

Literate Programming in Science

Photo by Prateek Katyal on Unsplash 2\. The How This is part 2 in a series on Literate Programming in Science. If you haven’t yet, please read part 1 “The Why”. > Literate program...

Felipe·Apr 14, 2021

Using Rust for Scientific Numerical applications: Learning from Past Experiences

Every experienced programmer knows that both their productivity depends on the abstraction level of the language. The fewer lines of code you write, the fewer bugs you introduce. H...

eScience Editorial Team·Oct 27, 2020

C++ web app with WebAssembly, Vega, Web Worker and React

To generate the Vega-Lite specification we can write a function like so To wrap the Vega-Lite visualization in React component we will use useRef to get a DOM element as container...

eScience

eScience Editorial Team·Oct 9, 2020

Help! My C++ web app is not responding

By Stefan Verhoeven, Christiaan Meijer, Faruk Diblen, Jurriaan H. Spaaks, and Adam Belloum. In an earlier blogpost we discussed how to run C++ code on the web using JavaScript. We...

eScience Editorial Team·Oct 9, 2020

Interact with your C++ web app using React forms

By Stefan Verhoeven, Faruk Diblen, Jurriaan H. Spaaks, Adam Belloum, and Christiaan Meijer. In a previous blog post, we compiled the C++ algorithm into WebAssembly. In the current...

eScience Editorial Team·Oct 9, 2020

Spice up your C++ web app with visualizations

By Stefan Verhoeven, Faruk Diblen, Jurriaan H. Spaaks, Christiaan Meijer, and Adam Belloum. In a previous blog we found the root of an equation using the Newton-Raphson algorithm i...

eScience Editorial Team·Oct 9, 2020

Using C++ in a web app with WebAssembly

By Stefan Verhoeven, Faruk Diblen, Jurriaan H. Spaaks, Adam Belloum, and Christiaan Meijer. Let’s say you have some C++ code laying around that you would like to make available to...

eScience Editorial Team·Nov 28, 2019

Optimizing plasma sources through numerical simulation

Optimizing plasma sources through numerical simulation Cold plasma sources are promising devices for the transformation of carbon dioxide into methane and other value-added chemic...

Patrick Bos·Jan 23, 2019

c++ compile-time exceptions

Debugging C++ templates should be less surreal and horrible C++ programmers in their natural habitat, building awesome things and staring at walls of error text. A C++ template err...

Felipe·Jan 9, 2019

dealing with dragons and monsters best practices for handling legacy code

> “So comes snow after fire, and even dragons have their endings.” > ― J.R.R. Tolkien, The Hobbit Typical debugging session When I started my PhD in the field of computational chem...

Jurriaan H. Spaaks·Dec 20, 2018

portable hpc workflows with snakemake and xenon

Migrate your scientific workflows to different remote machines in minutes instead of days Image courtesy of WallpaperUP Scientific workflows are often coupled to the computer syste...

Patrick Bos·Sep 3, 2018

50 times faster data loading for pandas no problem

Loading irregular data into Pandas using C++ Irregular pandas If Python is the reigning king of data science, Pandas is the kingdom’s bureaucracy. As recognized by Pandas creator W...

C++

Scripting vs. Programming

Minds for Mobile Agents: speeding up social distancing simulations

Unweaving legacy code using Entangled

10 examples of embedding Julia in C/C++

Our favourite high performance programming tools

Our favourite Python tools for research

Can Python with Julia be faster than low-level code?

Speed up your Python code using Julia

Combining ZeroMQ &amp; POSIX signals

Literate Programming in Science

Using Rust for Scientific Numerical applications: Learning from Past Experiences

C++ web app with WebAssembly, Vega, Web Worker and React

Help! My C++ web app is not responding

Interact with your C++ web app using React forms

Spice up your C++ web app with visualizations

Using C++ in a web app with WebAssembly

Optimizing plasma sources through numerical simulation

c++ compile-time exceptions

dealing with dragons and monsters best practices for handling legacy code

portable hpc workflows with snakemake and xenon

50 times faster data loading for pandas no problem

Combining ZeroMQ & POSIX signals