31
More details about mitigations for the CPU Speculative Execution issue
Posted by Matt Linton, Senior Security Engineer and Pat Parseghian, Technical Program Manager Yesterday, Google’s Project Zero team posted...
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 187 posts.
32
For a brief period, the Windows kernel tried to deal with gamma rays
Practical development throughout the evolution of Windows.
33
A Rust-Based Unikernel: First Version of a Rust-Based LibOS
A Unikernel for Extreme-Scale Computing
34
How we spent two weeks hunting an NFS bug in the Linux kernel
Here's an in-depth recap of debugging a GitLab issue that culminated in a patch for the Linux kernel.
35
A cache invalidation bug in Linux memory management
Posted by Jann Horn, Google Project ZeroThis blogpost describes a way to exploit a Linux kernel b...
36
37
Facebook open-sources new suite of Linux kernel components and tools
An integral part of Facebook’s engineering culture has always been our development work on open source solutions that solve real-world production issues and address key challenges in modern l…
38
One Windows Kernel
In this blog post, I will talk about the evolution of the core pieces of the Windows kernel that allows it to transparently scale across a low power NVidia...
39
Introducing the Windows Pseudo Console (ConPty)
In this, the fourth post in the Windows Command-Line series, we'll discuss the new Windows Pseudo Console (ConPTY) infrastructure and API - why we built it, what it's for, how it works, how to use it, and more.
40
FoundationDB Document Layer
Today we’re open sourcing the FoundationDB Document Layer, a document-oriented database that extends the core functionality of the FoundationDB key-value store.
41
AV1 beats x264 and libvpx-vp9 in practical use case
Improved video compression is important for delivering digital video files more quickly and with higher quality, while using less bandwidth and storage. Everything from 4K movie streaming to smartp…
42
Haiku R1/beta1 has been released
After nearly 6 years since R1/alpha4, Haiku R1/beta1 has been released. See “Release Notes” for the (lengthy) release notes, “Press contact”, for press inquiries … and “Get Haiku!” to skip all that and just …
43
44
Inside the Windows Console
Welcome to the third post in the Windows Command-Line series. In this post, we'll start to dig into the internals of the Windows Console and Command-Line, what it is, what it does ... and what it doesn't do!
45
46
47
Wendelstein 7-X achieves world record
In the past experimentation round Wendelstein 7-X achieved higher temperatures and densities of the plasma, longer pulses and the stellarator world record for the fusion product. Moreover, first confirmation for the optimisation concept on which Wendelstein 7-X is based, was obtained. Wendelstein 7-X at Max Planck…
48
Scaling Kubernetes to 2,500 Nodes
Stay up to speed on the rapid advancement of AI technology and the benefits it offers to humanity.
49
Real-Time Noise Suppression Using Deep Learning
Imagine waiting for your flight at the airport. Suddenly, an important business call with a high profile customer lights up your phone. Tons of background noise clutters up the soundscape around you…
50
PostgreSQL Features You May Not Have Tried but Should
pgDash is an in-depth monitoring solution designed specifically for PostgreSQL deployments. pgDash shows you information and metrics about every aspect of your PostgreSQL database server, collected using the open-source tool pgmetrics.
51
52
NEON is the new black: fast JPEG optimization on ARM servers
Cloudflare's jpegtran implementation was optimized for Intel CPUs. Now that we intend to integrate ARMv8 processors, new optimizations for those are required.
53
How a fix in Go 1.9 sped up our Gitaly service by 30x
After noticing a worrying pattern in Gitaly's performance, we uncovered an issue with fork locking affecting virtual memory size. Here's how we figured out the problem and how to fix it.
54
55
56
XARs: An efficient system for self-contained executables
Distributing large pieces of software to thousands of machines with a wide variety of configurations can pose a significant operational challenge, requiring a process to identify and copy precisely…
57
Arcan versus Xorg – Approaching Feature Parity
This is the first article out of two where I will go through what I consider to be the relevant Xorg feature set, and compare it, point by point, to how the corresponding solution or category works…
58
Abusing Linux's firewall: the hack that allowed us to build Spectrum
Introducing Spectrum: a new Cloudflare feature that brings DDoS protection, load balancing, and content acceleration to any TCP-based protocol.Today we are releasing Spectrum.
59
Amazon EKS – Now Generally Available
We announced Amazon Elastic Kubernetes Service (Amazon EKS) and invited customers to take a look at a preview during re:Invent 2017. Today I am pleased to be able to let you know that EKS is available for use in production form. It has been certified as Kubernetes conformant, and is ready to run your existing […]
60
Why has CPU frequency ceased to grow? (2014)
A portfolio of HPC tools help data scientists, researchers, and developers efficiently build cross-architecture applications.