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Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 2,560 posts.
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Wasmer takes WebAssembly libraries mainstream with WAI
Integrating with other languages and distributing binaries has always raised the WebAssembly's barrier to entry for the average developer, and at Wasmer...
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NetBSD 10.0 Released
Download 10.0 from our CDN: amd64 USB , amd64 CD , various ARM devices , full release dir with everything else .
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A jump into the middle of an instruction from nowhere (2023)
Another rogue patcher.
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RTX3080 TensorFlow and NAMD Performance on Linux
The much anticipated NVIDIA GeForce RTX3080 has been released. How good is it with TensorFlow for machine learning? How about molecular dynamics with NAMD? I've got some preliminary numbers for you!
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Shadow Brokers exploits are patched or inactive on supported Windows platforms
Today, Microsoft triaged a large release of exploits made publicly available by Shadow Brokers. Understandingly, customers have expressed concerns around the risk this disclosure potentially creates. Our engineers have investigated the disclosed exploits, and most of the exploits are already patched. Below is our…
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SEQUOIA: Exact Llama2-70B on an RTX4090 with half-second per-token latency
Serving Llama2-70B on an RTX4090 with Sequoia
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Windows 10 RCE: The exploit is in the link
Chaining a misconfiguration in IE11/Edge Legacy with an argument injection in a Windows 10/11 default URI handler and a bypass for a previous Electron patch, we developed a drive-by RCE exploit for Windows 10. The main vulnerability in the ms-officecmd URI handler has not been patched yet and can also be triggered…
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Amazon EC2 Instance Update – Faster Processors and More Memory
Last month I told you about the Nitro system and explained how it will allow us to broaden the selection of EC2 instances and to pick up the pace as we do so, with an ever-broadening selection of compute, storage, memory, and networking options. This will allow us to give you access to the latest […]
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Why use Paxos instead of Raft?
TLDR: Neon separates storage and compute, substituting the PostgreSQL persistency layer with a custom-made distributed storage written in Rust. Due to this separation, some nodes don’t have persistent disks. The original Raft paper works only with uniform nodes, but Paxos variants support proposers without storage and…
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Four billion messages an hour: benchmarking Deepstream throughput
A realtime server for the modern web
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JRE 8 needs more codecache than before
How Indeed investigated and addressed high system load after Java 8 migration of its job search web app
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A journey to io_uring, AIO and modern storage devices
We performed experiments to find out how different Linux system calls perform for available devices.
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Reducing Tailscale’s binary size on macOS
Tailscale v1.36 for macOS features a significantly reduced binary size (going from 92MB to 56MB). The effort started out with a chance observation about a surprisingly large executable, and ended up involving some creative approaches using dlopen.
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Optimizing ClickHouse: Tactics that worked for us
At LaunchDarkly, we ingest nearly 100 terabytes of observability data from our customers every month.
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RenderingNG: An architecture that makes and keeps Chrome fast for the long term
Our continual investments in the performance of Chrome have led to significant improvements in battery life, memory, and the speed of the we...
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A detailed look at the S-300P anti-aircraft missile system
Technical Report APA-TR-2006-1201; Title: Almaz S-300P/PT/PS/PMU/PMU1/PMU2 / Almaz-Antey S-400 Triumf / SA-10/20/21 Grumble/Gargoyle ; Abstract: Introductory technical analysis and development history of the Almaz-Antey S-300P family of Surface to Air Missile systems. Includes diagrams, imagery and variant tables…
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Monzo Stand-In
Our customers reasonably expect to be able to spend on their card, make bank transfers and pay their bills 24 hours a day, 365 days a year. Their lives don’t have downtime for maintenance so nor should we. We dedicate a lot of our engineering effort to minimise the risk of downtime during technical migrations and…
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A Story Of realloc (And Laziness)
A Story Of realloc (And Laziness) 05 April 2014 A Simple Macro It...
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Why Xen Wasn't Hit by RETBleed on Intel CPUs
An article explaining why Xen wasn't affected by the recent RETBleed security issue on Intel CPUs.
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Serializable, Lockless, Distributed: Isolation in CockroachDB
To protect concurrent transactions from anomalies that can break the consistency of CockroachDB, we require an Isolation guarantee...