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New
The latest blog posts to take off on Hacker News. 6,949 posts.
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How the Windows Subsystem for Linux Redirects Syscalls
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Scalability, but at what cost? (2015)
Michael Isard, Derek Murray, and I recently sent in a HotOS submission (it’s not blind, so no harm talking about it, we think). The subject is hinted at from...
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Distributed Systems Testing: The Lost World
After failing to find good papers about distributed systems testing for many months, yesterday I asked a question in Twitter:
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The tyranny of the Hollerith punched card
Wherein the author discusses (another) accident of history.
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Why is a Rust executable large?
Update (2016-10-07): The official FAQ has an entry for this exact problem now. I'll leave this post as more curiously minded people.
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Scalable Live Video Streaming Using NGINX and MPEG-DASH/HLS
Deliver modern applications with NGINX. Explore high-performance load balancing, API gateways, and web server solutions trusted by top global enterprises.
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You Can't Always Hash Pointers in C
Occasionally I’ve needed to key a hash table with C pointers. I don’t care about the contents of the object itself — especially if it might change — just its pointer identity. For example, suppose I’m using null-terminated strings as keys and I know these strings will always be interned in a common table. These…
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My Experience with Nix on OS X
Some time ago, I’ve moved this jekyll-based blog from GitHub Pages to a self-hosted NixOS server. A few weeks ago, I’ve also moved some parts of my local OS X environment from homebrew over to nix.
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I wrote a display server, a desktop environment, and a debugging/reversing tool
This post is to consolidate some information about the project and sub-projects in an attempt to disseminate what I have been spending way too much time on. Arcan – When a Game Engine meets a…
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.NET Core Is Boiling the Ocean
Do they know what the hell they're doing?
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Searching 20 GB/sec: Systems Engineering Before Algorithms (2014)
SentinelOne unifies AI-powered endpoint, cloud, identity, and data protection—enhanced by our Security Data Lake for seamless and efficient cybersecurity.
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Whither Plan 9? History and motivation
Wherein the author discusses the Plan 9 operating system. First of several.
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SELinux is beyond saving
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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The surprising cleverness of modern compilers
I wanted to know how a modern C compiler like clang would process the following C code: #include <stdint.h> int count(uint64_t x) { int v = 0; while(x != 0) { x &= x - 1; v++; } return v; } Can you guess? popcntq %rdi, %rax That is right. A fairly sophisticated C function, … Continue reading The surprising cleverness…
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Spark as a Compiler: Joining a Billion Rows per Second on a Laptop
Discover how Apache Spark can join a billion rows per second on a laptop, showcasing its powerful data processing capabilities.
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Tips for beginning systems and software engineers
From time to time I’m toying with the idea to give a lecture to newcomers in the IT industry (systems or software engineers). Here are some of the points that I would include in it: Human fa…
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Our best practices are killing mobile web performance
Web performance rules invented for desktop web access need to be revised for the mobile era.