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In its original form, a peephole optimization applied to a collection of instructions located close together in a program. For example, in a register transfer language we might find this sequence of instructions: r0 = xor r8, -1 r1 = xor r9, -1 r0 = and r0, r1 Here, assuming the two’s complement representation, -1 […]
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With the imminent launch of the Raspberry Pi 5 I wondered - how long does it take to compile the latest LLVM release (17 at the time of writing this blog) on the Raspberry Pi 4. This will give me a baseline that I can test the Raspberry Pi 5 against once I get ahold of it. For my initial exploration I decided to test j...
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Some free software projects reject anonymous or pseudonymous contributions, requiring you to author patches using your “real name”. Such projects have a so-called “real name” policy; Linux is one well-known example.1 The root motivations behind such policies vary, but in my experience the most o...
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tags: random, zig The time when some thought should be given to something other than just random projects is approaching. For whom does the sysbell rings? So why not sharpen the brain with a simple exercise? A “cold open” so to speak. A quick “hello” run through the current popular (and STRONGLY recommended) system pro...
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Getting "url" parameter is valid but upstream response is invalid error with Next/Image on WSL2
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After spending countless hours trying to understand how to deploy my apps on Kubernetes for the first time to host Mirage, an AI API service that I run, I ended up making myself a promise that the next app I work on would be using a more productive & simpler
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Accounting is fundamental to starting a business. You need to have a basic understanding of accounting principles and essential bookkeeping. I had to learn it. There was no choice. For filing taxes, your CPA is going to ask you for an Income Statement (also known as P/L statement). If
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For over 10 years now, I run two self-built NAS (Network Storage) devices which serve media (currently via Jellyfin) and run daily backups of all my PCs and servers. In this article, I describe my goals, which hardware I picked for my new build (and why) and how I set it up. Design Goals I use my network storage device...
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Over on the Fediverse there was a little Vim versus Vi discussion, and in response to seeing it I posted something: I used to be a minimal vi user. Over the years I've drifted to being a not so minimal vim user, and I think the vim features that I'm now addicted to are: infinite undo and redo (and a tree view of undo) ...
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This article documents my learnings from designing and building a DIY Pen Plotter during the summer of 2023. My ultimate goal is to build my…