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Implementing WebGPU in Gecko
As WebGPU specification is approaching a usable shape, we are working on prototype implementations in both Gecko and Servo. If you ever wondered about what i...
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Building a 64-bit aarch64 kernel and userspace for the Raspberry Pi 4
I’ve recently been tinkering around with using a Raspberry Pi as a desktop computer. The Pi 4 is fairly powerful; very sufficient for web browsing, audio, video, and terminal use for programming.
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Avoiding Instruction Cache Misses
Excessive instruction cache misses are the kind of a performance problem that's going to appear only in larger codebases. In this article, I'm describing some ideas on how to deal with this issue.
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Bits on the Wire
Exactly 100% of everything on the Internet involves exchanging messages which represent items of interest to humans. These items can be classified into three baskets: One for “media” (images, sound, video), one for text (HTML, PDF, XML), and one for “objects” (chat messages, payments, love poems, order statuses). This…
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Breaking Out of Docker via RunC
Unit 42 brings together world-renowned threat researchers, incident responders and security consultants to create an intelligence-driven, response-ready organization that's passionate about helping you proactively manage cyber risk.
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Distributed consensus revised
Distributed consensus revised Howard, PhD thesis Welcome back to a new term of The Morning Paper! To kick things off, I’m going to start by taking a look at Dr Howard’s PhD thesis, ‘Distributed con…
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Jepsen: YugaByte DB 1.1.9
2019-04-10: The long fork test used in this analysis contained a bug which caused it to (in many cases) fail to identify long fork anomalies. We have re-checked YugaByte DB 1.1.15.0-b16 with a corrected checker, and its long fork tests still pass.
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Native image lazy-loading for the web
In this post, we’ll look at the new loading attribute which brings native <img> and <iframe> lazy-loading to the web!. For the curious, here’s a ...
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Mac: Keyboard Shortcuts Killed by Bug
Want to use App Shortcuts in Mojave? You’re out of luck because its broken, and Apple can’t be bothered to fix it.
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Mispredicted branches can multiply your running times
Modern processors are superscalar, meaning that they can execute many instructions at once. For example, some processors can retire four or six instructions per cycle. Furthermore, many of these processors can initiate instructions out-of-order: they can start working on instructions that appear much later in the…
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Beating C with Futhark Running on GPU
A high-performance and high-level purely functional data-parallel array programming language that can execute on the GPU and CPU.
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A fast alternative to the modulo reduction (2016)
Suppose you want to pick an integer at random in a set of N elements. Your computer has functions to generate random 32-bit integers, how do you transform such numbers into indexes no larger than N? Suppose you have a hash table with a capacity N. Again, you need to transform your hash values (typically 32-bit ……
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The Definitive Guide on Win32 to NT Path Conversion (2016)
Posted by James Forshaw, path’ological reverse engineer.How the Win32 APIs process file pat...
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SweRV – An Annotated Deep Dive of the SweRV RISC-V Core
Every 6 months, the RISC-V consortium organizes a two day workshop where various companies and research entities present work that is one way or the other related to RISC-V.
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The AWS EC2 Windows Secret Sauce
AWS EC2 Secret sauce. How AWS provisions Windows EC2 in the cloud. Instance Pool.
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Why Ice Lake is Important – a bit-basher’s perspective
With Computex, there’s been a ton of news about Ice Lake (hereafter ICL) and the Sunny Cove core (SNC). Wikichip, Extremetech and Anandtech among many others have coverage (and there will be …
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Learning SIMD with Rust by Finding Planets (2018)
How to get the most of Rust while keeping your code portable
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Millions of Binaries Later: A Look into Linux Hardening in the Wild
With Sophos Cloud Native Security, you can easily integrate protection across multiple environments while minimizing detection time and response.
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Project Zipline – High-throughput low-latency compression
The Open Compute Project (OCP) Global Summit 2019 kicks off today in San Jose where a vibrant and growing community is sharing the latest in innovation to make hardware more efficient, flexible, and scalable.
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Modern Text Rendering with Linux
Introduction
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Lesson Learned from Queries over 1.3T Rows of Data
Explore how our customers use TiDB to handle their mission-critical workloads.
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Rethinking Files
In Unix, everything is a file. This is often viewed as a positive, but it's often a poor abstraction for many things. This discussion goes into some of the issues.
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FatELF: Universal Binaries for Linux (2015)
FatELF is a file format that embeds multiple ELF binaries for different architectures into one file. This is the Linux equivalent of what Mac OS X calls "Universal Binaries."
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