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The most popular blog posts about systems & performance on Hacker News. 211 posts.
How quickly can we use brute force to guess a 64-bit number? The short answer is, it all depends on what resources are available. So we’re going to examine this problem starting with the most naive approach and then expand to other techniques involving parallelization. We’ll discuss parallelization at the CPU level…
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Guest post by Edward Huang, Co-founder & CTO of PingCAP In recent years, building a large-scale distributed storage system has become a hot topic. Distributed consensus algorithms like Paxos and Raft…
We explain how C array sizes become part of the binary interface of a library and examine ways to avoid ABI compatibility issues.
CUDA grep : Manish and Brandon's 15418 final project
ReactOS is a free, opensource reimplementation of windows
This document contains a summary of changes made to HelenOS since release 0.7.2 .
It is unlikely we can tell you anything new about the extended Berkeley Packet Filter, eBPF for short, if you've read all the great man pages, docs, guides, and some of our blogs out there. But we can tell you a war story, who doesn't like those?
In the process of writing a short introduction to RISC-V, we compared RISC-V vector code to SIMD. We were struck by the insidiousness of the SIMD instruction extensions of ARM, MIPS, and x86. We de…
Latest announcements for Proxmox.
NVMM provides the infrastructure needed for both the kernel driver and the userland emulators.
OpenMandriva Lx is a unique and independent distribution and direct descendant of Mandriva Linux
Dash knows your context, your team, and your work, so your team can stay organized, easily find and share knowledge, and keep projects secure, all from one place.
On May 21st 2019, we broke search service out of vehicle-service. It was faster, cheaper, and better!
Read how we built a flexible, high-performance columnar compression mechanism for PostgreSQL to add scalability to our favorite database.
A binary-compatible unikernel
When I was working on systems deployed in on-premises data centers, it sometimes happened I had to debug an unresponsive server. It usually involved asking someone to physically press a non-maskable interrupt (NMI) button on the frozen server or to send a signal to a command controller over a serial interface (yes…
Practical development throughout the evolution of Windows.
Wind River announces Wind River Professional Services has been appraised at Level 3 of the CMMI® Institute’s Capability Maturity Model Integration.
Posted by Maddie Stone, Project ZeroIntroductionOn October 3, 2019, we disclosed issue 1942 (CVE-...
We’re delighted to announce the release of webOS Open Source Edition (OSE) 2.1.0. The highlights of this release are as follows: Change of the default logging system to journald Japanese Virtual Keyboard support and iLib upgrade Bug fix and improvements For more details on this release, see the release notes. Change…
With the latest upgrades to PostgreSQL the fsync failure had been fixed. Avinash Vallarapu takes a look at why this issue might cause problems.
A blog about the process of writing Extended Berkeley Packet Filter (eBPF) programs and what’s going on under the hood at the kernel-level.
Users spend a large proportion of their online time on mobile devices, and a significant fraction of the rest is users on untethered laptop computers.
