When considering ways to spread interrupts from one device among multiple cores, I can’t not to mention MSI-X. The thing is that MSI-X is actually the right way to do the job. Interrupt affinity, which I discussed here and here, has a fundamental problem. That is inevitable CPU cache misses. To emphasise this, think about [...]
Table of contents Introduction to the series Introduction to the article Way of working with Bazaar Demo setup description Directory and user configuration The basics Creating a project Checking-out the project Adding files to the project Committing files Few words about revision numbers in Bazaar Local commits or offline commits Committing local commits to remote [...]
Table of contents Introduction to the series Introduction to the article Way of working with Bazaar Demo setup description Directory and user configuration The basics Creating a project Checking-out the project Adding files to the project Committing files Few words about revision numbers in Bazaar Local commits or offline commits Committing local commits to remote [...]
Update 06/16/2009: On several occasions, commentators to this article pointed out that this post is somewhat incomplete. Therefore, before I continue, I would like to make some things clear. Before considering the code below, please note that spinlocks are totally useless on uni-processor computers. This is due to a nature of spinlocks, which I will [...]
There are plenty of virtualization technologies. There are organizations like VMware, VirtualBox and XEN, whose virtualization allows one to run several virtual computers using one physical computer. I worked at a company called ScaleMP. ScaleMP’s technology, vSMP, turns multiple physical computers into one large computer. Today I was looking for something different. I was looking [...]
In this article I cover in depth Python’s optparse module. It presents most useful recipes and is a good handbook when parsing command line options in a Python program.
This article introduces signals in Linux to the reader. It explains the nature of signals, how to use them and gives few small use examples.
I can’t beleive all the things that you can do with Python. Obviously, whatever you can do with Python, you can do with a whole bunch of programming languages out there. What I am really impressed with, is the ease. Few weeks ago I was looking for a way to programatically send myself SMS on [...]
Table of contents Introduction to the series Introduction to the article Way of working with Bazaar Demo setup description Directory and user configuration The basics Creating a project Checking-out the project Adding files to the project Committing files Few words about revision numbers in Bazaar Local commits or offline commits Committing local commits to remote [...]
Table of contents Introduction to the series Introduction to the article Way of working with Bazaar Demo setup description Directory and user configuration The basics Creating a project Checking-out the project Adding files to the project Committing files Few words about revision numbers in Bazaar Local commits or offline commits Committing local commits to remote [...]