Architectures and Processors blog

In this blog we run through branch and call sequences to explain what they are and how to use them as well as interworking branches between Arm and Thumb Code.

ARM Cortex-M based microcontrollers are becoming the defacto standard for the next generation of low power control applications.This paper looks at the various criteria to be considered when selecting…

Blog orgininally posted on 11 July 2011 on blogs.arm.comHaving chosen the optimal implementation, as described in the previous blog (Elba - How do we know it works?) we now turned our attention to power…

This tutorial explains how to have a LAMP server running Drupal on a PandaBoard. These instructions will apply to any other Cortex-A platform with few or no changes.The growing variety of ARMv7-based inexpensive…

利用NEON技术编写代码ARM NEON™ technology is widely used for multimedia optimization. The SIMD architecture of NEON technology makes it very suitable for many compute intensive modules in multimedia codecs…

Continuing my "Spotlight on the Linux software Ecosystem", this time I am going to cover the openSUSE Project.openSUSE is not only one of the major Linux distributions, but is also one of the…

As many may know, the Linux operating system has many variations. These are more commonly referred to as Linux distributions or distros, and choosing a distribution to use can be a quagmire.  I won't be…

With the arrival of Windows RT and the opening of Microsoft App Store, you can now develop Windows Store Apps on ARM platforms and make them available to 200+ markets via the Microsoft App Store. If you…

Last month Google and Samsung released the first commercially available product using the ARM® Cortex™-A15 SoC design: the new Series 3 Chromebook. Not only does the Chromebook have the new…

I would like to share some news around one of the products we recently released, the V2P-CA15x2_A7x3.  This is a new member of the Versatile ™ Express CoreTile family and is the first ARM big…

The introduction of a new architecture as significant as ARMv8, or AArch 64, requires careful consideration of the impact to existing software! The good news is, the new architecture is compatible with…

The ARM architecture has been used for many years in mobile phones and electronic devices, but it is only relatively recently that the architecture has diversified into being used in laptops, tablets and…

Debugging and optimizing software is always a demanding job.  As today's  systems become more complex the task of providing a suitable debug and  trace solution becomes increasingly challenging - yet it…

When writing code for Neon, you may find that sometimes, the data in your registers are not quite in the correct format for your algorithm. We explore this in further detail here.

Page colouring is sometimes used as an optimization but as a result of the cache architecture some ARMv6 processors actually require the allocator use page colouring. This article will explain why the…

This article is the first of a series on Arm fundamentals that will introduce various topics to help you get more familiar with the Arm architecture.

This post goes into the juicy bits of what memory access ordering actually means and how this is handled in the Arm architecture.

The modern web is built primarily from three technologies: HTML, CSS and JavaScript. It is JavaScript that drives the interactive web; slow JavaScript means slow web pages. So today, a huge amount of effort…

In my first blog, we examined gave the historical context of the instruction set battles of ARM and x86, covering the RISC-CISC Wars in the PrePC Era and the PC Era. This blog covers Round 3, the PostPC…

This two-part blog gives a historical perspective on the ARM vs. 80x86 instruction set competition for three eras: PrePC (late 1970s/early 1980s), PC (mid 1980s to mid 2000s), and PostPC (late 2000s onward…

The 2010 ARM Technology Conference (Techcon) is taking place in Santa Clara next week. A large number of companies will be presenting their solutions to support development and optimization of products…