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Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 235 posts.
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On mutex performance and WTF::Lock
One of the things I’ve been doing this quarter is removing Gecko’s dependence on NSPR locks . Gecko’s (non-recursive) mutexes and condition variables now use platform-specific constructs, rather than indirecting through NSPR. This change makes things smaller, especially on POSIX platforms, and uses no dynamic memory…
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Attacking the Windows Nvidia Driver
Posted by Oliver ChangModern graphic drivers are complicated and provide a large promising attack...
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Windows Subsystem for Linux is out of beta
We're excited to announce that in Windows 10 Fall Creators Update (FCU) due to ship in fall 2017, Windows Subsystem for Linux (WSL) will no longer be a
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Riot Games Messaging Service
Hey there! My name is Michal 0xDEADB33F Ptaszek, and I’m a software architect at Riot. Today I would like to talk about communication. But not the kind of communication you’re probably thinking of. I want to talk about the other, more exci…
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Dumping a PS4 Kernel in “Only” 6 Days
What if a secure device had an attacker-viewable crashdump format? What if that same device allowed putting arbitrary memory into the crashdump? Amazingly, the ps4 tempted fate by supporting both of these features! Let’s see how that turned out…
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Testing the Windows Subsystem for Linux
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Recommendations about coding in C++
Find software and development products, explore tools and technologies, connect with other developers and more. Sign up to manage your products.
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Exploiting the Linux kernel via packet sockets
Guest blog post, posted by Andrey KonovalovIntroductionLately I’ve been spending some time ...
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Blender Cycles Turbocharged: how we made rendering 10x faster
Blender Studio is a web service that provides access the training videos and all the data from the Blender open projects.
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Microsoft didn’t sandbox Windows Defender, so I did
Microsoft exposed their users to a lot of risks when they released Windows Defender without a sandbox. This surprised me. Sandboxing is one of the most effective security-hardening techniques. Why did Microsoft sandbox other high-value attack surfaces such as the JIT code in Microsoft Edge, but leave Windows Defender…
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How to Design a Scalable Rate Limiting Algorithm
What is rate limiting? Navigate through the pros and cons of the available algorithms and best practices for how to design scalable rate limiting in Kong API.
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ReactOS 0.4.5 Released
ReactOS is a free, opensource reimplementation of windows
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Unikernels are secure
Per Buer is the CEO of IncludeOS . IncludeOS is a clean-slate unikernel written in C++ with performance and security in mind. Per Buer is the founder and previous CEO/CTO of Varnish Software.
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Atom's new concurrency-friendly buffer implementation
We are archiving Atom and all projects under the Atom organization for an official sunset on December 15, 2022.
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How Algolia Reduces Latency
Discover the tech stack used by Algolia. Explore 15 tools across 4 categories.
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LogDevice: a distributed data store for logs
Visit the post for more.
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Exploiting the Wi-Fi Stack on Apple Devices
Posted by Gal Beniamini, Project ZeroEarlier this year we performed research into Broadcom’...
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HTTP/2 is not the future, it’s the present
Remember, in `may 1996`, the very first HTTP protocol version (HTTP/1.0) was born.
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DragonflyBSD 5.0
DragonFly version 5.0 brings the first bootable release of HAMMER2, DragonFly's next generation file system.
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Pillow-SIMD – Fast, production-ready image resize for x86
Learn how Uploadcare engineers found out how to resize images on Intel processors faster than Intel itself
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The Limits of the CAP Theorem
This post explains how CAP-Consistent systems can be highly available, how the CAP theorem applies to CockroachDB, and why consistency is the better choice.
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Using Binary Diffing to Discover Windows Kernel Memory Disclosure Bugs
Posted by Mateusz Jurczyk of Google Project ZeroPatch diffing is a common technique of comparing ...
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Tendermint 0.10.2
Tendermint is a server and a protocol for building linearizable (or sequentially consistent) byzantine fault-tolerant applications. Tendermint validators accept transactions from clients over HTTP, and replicate them to the other validators in the cluster, forming a totally ordered sequence of transactions. Each…
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An Ancient Kernel Hole Is Not Closed
The "stack clash" series of vulnerabilities were a prime opportunity to demonstrate the strength of grsecurity's approach to security. Unlike upstream Linux and other OSes, the issues uncovered were unexploitable under grsecurity for many years.