Apr 2014 11

Ubuntu Touch is a mobile version of Ubuntu OS. Today, I ported it on Nexus 4 Android device. The step by step process of flashing Nexus 4 is given here and works smoothly.

Only one step where I did things differently, was when I encountered the message shown in the snapshot (leftmost). Ideally, this should only prompt for Nexus 10, but it might also pop up for Nexus 4, as it happened in my case.

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Mar 2014 21

Graphic Processing Unit (GPU) have been around for long time and most of us have used them as devices which will run high definition videos, images and games etc. However, there is another world which looks into GPU with a very different perspective and it is called High End Computing (HEC). The goal of HEC is to utilize processing units to reduce the execution time of the applications which would otherwise take long time on general purpose processors. Most likely, these processing units are super computers, however, GPU are also used for this very same purpose and such computing on GPU is called General Purpose Computing on GPU (GPGPU).

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Feb 2014 22

Simulators have become an integral part of the computer architecture research and design process. Most of the simulators used by academic researchers are open source and have the advantages of cost, time, and flexibility. Many researches and architects use them to guide design space exploration and to quantify the efficacy of an enhancement.

Major blocks of a computer architecture requires a dedicated simulator and there are many. Following are the few simulators based upon area of use:

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Feb 2014 09

I have been working with gem5 simulator since September 2013 for my research work under Prof. Gokhan. At first, gem5 to me looked very complex and difficult to use, however as I got more involved things worked out and now, I really like how stable gem5 is.

What is gem5?

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Dec 2013 22

If you are a computer architecture researcher or have inclination towards it, then CPU DB is for you. In short, CPU DB is a repository of computer architectures right from the first single-chip microprocessor, Intel 4004, introduced by Intel in 1971, till today’s many core processors. Stanford University’s VLSI Research Group is the brain behind this project.

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