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Category: Computer Organization

Advanced Operating Systems/Computer Organization

L3 Microkernel

Posted on September 3, 2020 by Matt Chung

I learned that with an L3 Microkernel approach, each OS runs in their own address space and that they are indistinguishable from the end-user applications runni...

Computer Organization/Low level programming

Swapping values of two variables with XOR

Posted on May 1, 2020 by Matt Chung

As programmers, we know that we can swap two variables by using a temporary variable. That’s fairly simple and intuitive: given two variables (x and y) that you...

Computer Organization/Low level programming

Here’s some assembly instructions … now write the corresponding C code

Posted on January 18, 2017 by Matt Chung

A wide grin formed on my face, after successfully completing an exercise (from Computer Systems a Programmer’s perspective) that required me to write C co...

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Featured Posts

2020 year in review
Free E-book: Advanced operating systems (AOS) refresher cour...
A letter from my future self: “Dear 2019 Matt”
3 tips on getting eye balls on your code review

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acid aos project 1 atomicity barrier synchronization bomb breakpoints cache cache coherence carnegie checkpoint computer science concurrency deadlock distributed systems failure gdb inode invariant l1 cache lab learning series libvrt map reduce mellon memory coordinator memory virtualization omscs on call operations openmp page fault partial failures rpc semantics sequential consistency state tradeoffs trade offs transaction tree data structure two phase commit protocol two_phase_commit undo record virtual private number window of vulnerability working from home

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