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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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So I got my Raspberry PI 5. And like in my previous post, I compiled LLVM 17 on the Raspberry PI 5, and have compared the compile speed versus the Raspberry PI 4. I’m going to do the same steps: Compile LLVM using the default clang got via apt-get. Compile LLVM again using the clang we just built. And compile it a thir...
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Richard Stallman, the founder of the Free Software Foundation, has been subject to numerous allegations of misconduct. He stepped down in 2019, and following his re-instatement in 2021, a famous open letter was published in which numerous organizations and individuals from throughout the Free Software ecosystem called ...
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tags: plan9, random, zig Nothing profound here. But sometimes the internet collective can still be surprising. Apparently, you can already cross-compile Zig (at least the basic stuff) for plan9. Now this is fun! Also, a note to self more than anything: while zig itself is simple and quick to take in, the built-in build...
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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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As part of our local network environment, we have some local DNS resolvers that people here use (or at least are supposed to use). These resolvers handle multiple jobs; they resolve our own normal DNS names (or some of them), our internal only DNS names, and handle all of the recursion for lookups for external names. O...
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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…