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Optimizing DirectFB with ARM NEON
Kui Zheng
DirectFB
(Direct Frame Buffer) is a graphics library that is widely used in embedded systems, especially home market. More and more applications or libraries choose DirectFB as backend, such as Cairo,…
September 11, 2013
Software Debuggers: What next?
Andrew N. Sloss
Great leaps in human knowledge are linked to advancements in tools. For software engineers the debugger is a cornerstone tool to create reliable products. We engage in a running battle fighting both the…
September 11, 2013
Porting Linux made easy with DS-5
Stephen Theobald
Here at ARM, a colleague recently wanted to port
Linux
to a prototype of a new high-performance
Cortex-A9
based platform. To develop and debug this port, he needed to be able to set breakpoints, view…
September 11, 2013
Get the best from ARM debug tools: Stack frames & instruction trace
Javier Orensanz
This blog covers the use of two powerful debugging techniques — stack frames and instruction trace — to debug random or timing-related bugs on ARM processor-based targets.Timing-related and random bugs…
September 11, 2013
Semihosting: a life-saver during SoC and board bring-up
Javier Orensanz
In this blog you will find information about semihosting, an implementation of the C library that uses a JTAG debugger to interface the world. Semihosting is very useful for board bring-up, as it works…
September 11, 2013
Coding Using NEON Technology
Guest Partner Blogger
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…
September 11, 2013
Spotlight on the Linux Software Ecosystem - openSUSE
Andrew Wafaa
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…
September 11, 2013
Spotlight on the Linux Software Ecosystem - The Fedora Project
Andrew Wafaa
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…
September 11, 2013
Windows RT App Optimization with NEON
Alan Chuang
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…
September 11, 2013
Running Linux on the Series 3 Chromebook
Andrew Wafaa
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…
September 11, 2013
Cortex-A15 and Cortex-A7 big.LITTLE hardware from ARM
Liam Dillon
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…
September 11, 2013
ARMv8 Tools - Everything You Need To Develop for AArch64
Tony Smith
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…
September 11, 2013
ARM technology software newbie? Try the Cortex A-Series Programmer's Guide
Jim Fallon
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…
September 11, 2013
CoreSight delivers debug and trace for tomorrow's systems
Alex Growcoot
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…
September 11, 2013
Memory access ordering part 3: Memory access ordering in the Arm Architecture
Leif Lindholm
This post goes into the juicy bits of what memory access ordering actually means and how this is handled in the Arm architecture.
September 11, 2013
Arm Fundamentals: Introduction to understanding Arm processors
Alexandre Rames
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.
September 11, 2013
Page Colouring on ARMv6 (and a bit on ARMv7)
Jacob Bramley
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…
September 11, 2013
Coding for Neon - Part 5: Rearranging Vectors
Martyn
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.
September 11, 2013
Debug and performance analysis of Linaro images with ARM Development Studio-5
David Stubbs
In this article we will go through the steps required to setup Linux on the PandaBoard using files supplied from Linaro and also the further steps required to setup Linux for use with Development Studio…
September 11, 2013
Google's V8 on ARM: Five Times Better
Martyn
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…
September 11, 2013
RISC versus CISC Wars in the PostPC Eras - Part 2
David Patterson
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…
September 11, 2013
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