Seen on Linux Weekly News. Ext4 maintainer Ted Ts’o has responded with a rare (for the kernel community) admission that technical concerns are not the sole
Read morewhy microkernels don’t work
You can almost just see it from this diagram of connected boxes. I want to think of the whole system as a series of connected
Read moreShocking advances in Operating Systems
And here I was complaining about the lack of progress in OS development “This will blow away any RTOS,” said Cauchy. “We speed up execution
Read moreMicrosoft by the numbers
From correspondent AY: 150,000,000 Number of Windows 7 licenses sold, making Windows 7 by far the fastest growing operating system in history. <10 Percentage of
Read moreLinux semaphores
Re: Schedule idle MOLNAR Ingo (mingo@chiara.csoma.elte.hu) Wed, 11 Nov 1998 04:09:32 +0100 (CET) […] > _please_ We can do better than this. Only semaphores (not
Read moremulticore and multiprocessor performance
Here’s two interesting tables Percentage of lock acquisitions for global TCP/IP locks that do not succeed immediately. OS Type 6 conns 192 conns 16384 conns
Read moreThe ridiculous GPL-only tagging of Linux
Imagine that you release software under a license that is primarily concerned with making sure that modifiable source code is available to all and that
Read more10th anniversary of the RTLinux Manifesto paper
The RTLinux* Manifesto was published a little over 10 years ago at the 5th Linux Expo in Raleigh North Carolina which was really the first
Read moreParallelism and multicore
The goal of modern processor chip design has changed from optimizing various speed/price/heat tradeoffs for applications to finding excuses for dumping more transistors into the
Read moreDeterministic multithreading
An interesting paper appearing in ASPLOS proceedings provides a “deterministic” locking method Kendo enforces a deterministic interleaving of lock acquisitions and specially declared non-protected reads
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