jeff.wheeler.blog

I’ve gone clear. Drank the Kool-Aid. Found Steve. I finally bought a MacBook Pro. I resisted this move for years. I’ll tell you why in a future post. First, let me first show you the thing I’m looking forward to most about the MBP: Thunderbolt 3 docking. This new feature, available on some Apple, Dell, HP, and other high-end laptops, allows you to connect all perhipherals to your laptop with a single cable, and charge over it, too! ...

Virtual Memory To understand server virtualization, it helps to know a little about virtual memory implementations. When reading this, please keep in mind that I’ve completely skipped past some important machinery such as the TLB, caches, speculative page-table walking, etc. that make a lot of this operate quickly. User-space processes, like your shell or editor, have their own view of the memory. Below, we see how a trivial sample program thinks memory is organized: ...