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Algebra for computer science and function nesting
The fundamental mathematical basis of computer science is that code and data are the same things. A sequence of bits can represent real numbers, integers, vectors, groups, matrices, video , audio, or programs, algorithms or even proofs. When we try to describe these systems mathematically, then it should not be surprising when we encounter a…
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Patent 5,995,745
Adding real-time support to general purpose operating systems AbstractA general purpose computer operating system is run using a real time operating system. A real time operating system is provided for running real time tasks. A general purpose operating system is provided as one of the real time tasks. The general purpose operating system is preempted…
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RTLinux early paper from 20 years ago
An early RTLinux paper with Michael Barabanov. real_time_1996 Only 20 years later, the idea is now not too scary. Real-Time Linux Michael Barabanov Victor Yodaiken March 3, 1996 1 Introduction If you wanted to control a camera or a robot or a scientific instrument from a PC, it would be natural to think of using…
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Windows support in Timekeeper and MiFID II Compliance
TimeKeeper® PTP/NTP time synchronization software now works on Microsoft Windows® Operating Systems including Windows 7, Windows 8 and Windows Server 2012. This has been a lot longer in coming than we originally expected because most of our early customers turned out to be Linux only. But bigger customers meant an increasing push for TK support…
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MiFID2 and security – keeping track of the money
A shorter version of this post is on the FSMLabs web site. MiFID2 is a new set of regulations for the financial services industry in Europe that includes a much more rigorous approach to timestamps. Timestamps are in many ways the foundation for data integrity in modern processing systems – which are distributed, high speed,…
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RISC-V and Bloat
Went to UT today to listen to David Patterson speak about the open RISC instruction set architecture and processors he and his colleagues are developing. As a software developer, hearing about free hardware makes me giddy with joy, perhaps with a bit too much of a “let’s see how you like it” edge. It’s interesting…
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Annals of unintentional irony
Come back after a trip to see Marc Andreessen’s team of twitter posters complaining wryly about how government is so gosh durn big and citing experts like Milton Friedman. A difficulty of modern economics: I have yet to talk to a non-Keynesian who believes Keynesians intend to cut fiscal spending post-recovery. — Marc Andreessen (@pmarca)…
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The Enterprise Profile for PTP and TimeKeeper
One of the most interesting things we saw in the proposed IEEE 1588 enterprise profile was a bold suggestion on fault tolerance that looked familiar. Here’s FSMLabs press release from September 2011 TimeKeeper 5.0 offers the ability to monitor multiple time distribution channels, even those operating on different time distribution standards or of different quality…
