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How FPGAs work, and why you'll buy one
Today, pretty much everyone has a CPU, a DSP and a GPU, buried somewhere in their PC, phone, car, etc. Most don't know or care that they bought any of these, but they did.
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The latest blog posts to take off on Hacker News. 6,950 posts.
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Real-Time Garbage Collection Is Real
Real-Time Garbage Collection (RTGC) tests the limits of what we typically think is possible in production software. You might hear “Real-Time” and “Garbage Collection” together and think “If you truly need real-time guarantees, why would you use a garbage collected language?” or “How is real-time Garbage Collection…
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The network is reliable
I’ve been discussing Jepsen and partition tolerance with Peter Bailis over the past few weeks, and I’m honored to present this post as a collaboration between the two of us. We’d also like to extend our sincere appreciation to everyone who contributed their research and experience to this piece.
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CUDA grep
CUDA grep : Manish and Brandon's 15418 final project
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SSH uses four TCP segments for each character you type
Every time we press a key in an interactive SSH session, the SSH Client sends that keystroke as a TCP segment to the SSH Server. Here is a Wireshark …
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Non-blocking transactional atomicity
tl;dr: You can perform non-blocking multi-object atomic reads and writes across arbitrary data partitions via some simple multi-versioning and by storing metadata regarding related items.
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The Biggest Myths
Posts and writings by Lennart Poettering
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Ifs and &&s and Plan 9's Source Code
Spiros Eliopoulos. Blog Posts, Projects, Past Gigs, & Publications.
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SQLite improves performance with memory-mapped I/O
A complete list of SQLite releases in a single page and a chronology are both also available. A detailed history of every check-in is available at SQLite version control site .
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Go 1.1 performance improvements
This is the first in a series of articles analysing the performance improvements in the Go 1.1 release.
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Call me maybe: final thoughts
Previously in Jepsen , we discussed Riak . Now we’ll review and integrate our findings.
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Jepsen: Postgres
Previously on Jepsen , we introduced the problem of network partitions . Here, we demonstrate that a few transactions which “fail” during the start of a partition may have actually succeeded.
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Jepsen: Redis
Previously on Jepsen , we explored two-phase commit in Postgres . In this post, we demonstrate Redis losing 56% of writes during a partition.
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Fish shell 2.0
fish 2.0 is now released! fish is a fully-equipped command line shell (like bash or zsh) that is smart and user-friendly. fish supports powerful features like syntax highlighting, autosuggestions, and tab completions that just work, with nothing to learn or configure.
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Memory Allocators 101
For the last few weeks, I've been working on a couple of patches to tcmalloc, Google's super high performance memory allocator. I'm going to post about them soon, but first I thought it would be cool to give some background about what a memory allocator actually does. So, if you've ever wondered what happens when you…
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Parallelism and concurrency need different tools
In this piece, I disagree with Joe Armstrong and Rob Pike, basing my argument on the differences between vending machines and gift boxes (illustrated with drawings carefully prepared in Microsoft Paint).
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Firefox, Heal Thyself
This week's release of Firefox includes the beginning of a pretty cool feature. The Firefox Health Report is a new system we've built to log basic health information about your ...
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A rant about some of the nice things in the NT kernel
A blog titled Shipping Seven has gotten a lot of traffic recently for their article about Windows 7 and the MinWin kernel – namely, how they’re actually one and the same. The argument o…
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Windows NT Kernel Contributor Explains Why Performance is Behind Other OS
I was explaining on Hacker News why Windows fell behind Linux in terms of operating system kernel performance and innovation. And out of nowhere an anonymous...
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Hacking Google's HVAC Systems
Arctic Wolf®, the leader in security operations, has acquired Cylance, a pioneer of AI-based endpoint security.
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Response Time Limits: Article by Jakob Nielsen
How users react to delays in a user interface, whether website or application. The 3 main response time limits are determined by human perceptual abilities.