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The most popular blog posts about systems & performance on Hacker News. 190 posts.
An in-depth Look at OCaml’s new "Best-fit" Garbage Collector Strategy The Garbage Collector probably is OCaml’s greatest unsung hero. Its pragmatic approach allows us to allocate without much fear of efficiency loss. In a way, the fact that most OCaml hackers know little about it is a good sign:...
At Mozilla, we want the web to be capable of running high-performance applications so that users and content authors can choose the safety, agency, and openness of the web platform. ...
FPGAs can be seen as a bridge between the domains of hardware and software as their hardware operation can be reprogrammed using code, giving developers unprecedented flexibility. In advanced products that Antmicro helps its customers build, this flexibility to process parallel data often needs to be complemented with…
The NetBSD Project is pleased to announce NetBSD 9.0, the seventeenth major release of the NetBSD operating system.
July 1, 2020: Post updated to take care that Amazon EFS increased file system minimum throughput, when burst credits are exhausted, to 1 MiB/s. I am very happy to announce that AWS Lambda functions can now mount an Amazon Elastic File System (Amazon EFS), a scalable and elastic NFS file system storing data within and…
Scylla is a distributed wide-column 1 database which originated as a C++ port of Cassandra, aiming for improved performance. It supports both Cassandra- and DynamoDB -compatible APIs, and is intended for high-throughput, low-latency workloads, including analytics, messaging, and other time-series data.
This post will describe my recent work on Cranelift as part of my day job at Mozilla. In this post, I will set some context and describe the instruction selection problem. In particular, I’ll talk about a revamp to the instruction selector and backend framework in general that we’ve been working on.
Project Loom is one of the major “projects” in which Java is moved forward, alongside the perhaps better known projects Amber and Valhalla. It will bring “virtual” threads with low resource footprint and low cost of blocking to the Java plaform. Here is my annual advent season update, this time with a focus on…
How SIMD instructions make aggregations faster in QuestDB, including benchmark results and a comparison with Postgres.
by Andrey Norkin, Joel Sole, Mariana Afonso, Kyle Swanson, Agata Opalach, Anush Moorthy, Anne Aaron
26 April 2018 by Phillip Johnston • Last updated 10 June 2021You may call them guidelines, heuristics, or rules of thumb. No matter, the purpose is the same: to provide a reasonable approximation of the truth. These rules of thumb can help guide your understanding of the systems you work on, focus you toward the ……
Glommio (pronounced glom-io or |glomjəʊ|) is a cooperative thread-per-core crate for Rust & Linux based on io_uring. It allows you to write asynchronous code that takes advantage of rust async/await, but it doesn’t use helper threads anywhere.
Julia 1.5 is gaining a cool new bug reporting capability, leveraging mozilla's rr project to automatically create fully-reproducible bug reports
By Aditya Mavlankar, Jan de Cock, Cyril Concolato, Kyle Swanson, Anush Moorthy and Anne Aaron
The story of debugging a mysterious Julia segfault.
Posted by James Forshaw, Project ZeroThe Chromium sandbox on Windows has stood the test of time. ...
In 2017, we launched Amazon MQ – a managed message broker service for Apache ActiveMQ, a popular open-source message broker that is fast and feature-rich. It offers queues and topics, durable and non-durable subscriptions, push-based and poll-based messaging, and filtering. With Amazon MQ, we have enhanced lots of new…
Documentation and guides from the team at Fly.io.
Over the past four years, we've been working hard on rebuilding our desktop client's sync engine from scratch. The sync engine is the magic behind the Dropbox folder on your desktop computer, and it's one of the oldest and most important pieces of code at Dropbox. We're proud to announce today that we've shipped this…
Text-to-speech systems across the industry typically rely on GPUs or specialized hardware to generate state-of-the-art speech in real-time production. We solved core efficiency challenges to process one second of audio in 500 milliseconds — using only CPUs.
Regular expressions – commonly known as RegExps – are a powerful and heavily used tool for manipulating strings in JavaScript. This post describes how we updated the RegExp engine in ...
ReactOS is a free, opensource reimplementation of windows
The ListenBrainz team has been working hard on moving our primary listen store from InfluxDB to TimescaleDB , and today at UTC 16:00 we’re going to make the switch.
This complete guide explains all about Linux system calls with sample codes and results.
