Generating relocatable code for ARM processors

Performance Optimization in React applications

Writing a "bare metal" operating system for Raspberry Pi 4

Issue #105

10/12/2021

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Generating relocatable code for ARM processors

Published: 1 October 2021
Tags: compiler


The ARM Cortex-M is a group of 32-bit RISC ARM processor cores optimized for low-cost and energy-efficient operation. One of their drawbacks is that unlike other processors, Cortex-M doesn't allow for Position Independent Code to be generated, a huge limitation when it comes to firmware updates. In this article, Pavel Loktev explains why this issue exists and how the LLVM compiler was modified to resolve it.

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Performance Optimization in React applications

Published: 10 October 2021
Tags: react


Big web apps often times can be very slow if you don't take the time to do some optimization caretaking. Seva Zaikov's article focuses on React and outlines methods for optimizing speed by looking at reasons for re-rendering, memoization, inefficient props drilling, some state hooks, context, selectors, and redux data.

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Writing a "bare metal" operating system for Raspberry Pi 4

Published: 1 May 2021
Tags: c


Have you ever wanted to build an OS from scratch? No? Well that doesn't matter, because you can just read this series of interactive articles by Adam Greenwood-Byrne. Although shrouded in the guise of a tutorial, it's by no means a how-to, and Adam covers everything from bootstrapping to WordUp Graphics, all the while littering gems of knowledge along the way.

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