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cpus simd mask
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20 September
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
Statistician and software engineer who writes R packages for reproducible research and publishing, including knitr, bookdown and blogdown.
19 September
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
Their words
In effect, what I am demonstrating is that CPUs are not boring. They are improving fast.
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lemire.me
18 September
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
Faster JSON parsing with SVE2 on ARM processors ARM processors, like those in your phone, have instructions capable of processing several elements at once (SIMD). These instructions are called NEON. But many newer processors have a different SIMD extension called SVE…
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How did AMD Ryzen get 50% faster in two years? People still tell me that CPUs are boring. That nothing much happens anymore. Let us look at AMD Ryzen 7 processors from 2022 to 2024: the 5800X3D (Zen 3), the 7800X3D (Zen 4) and the 9800X3D (Zen 5). They are comparabl…
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15 September
Interactive fiction author and hacker; wrote Spider and Web and Hadean Lands, and designed the Glulx virtual machine.
Bluesky Some recent mystery and puzzle games. (Okay, _This Bed We Made_ is from a couple years back.) - The Mermaid Mask - This Bed We Made - Cognition Method - He Who Watches blog.zarfhome.com
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Mastodon Some recent mystery and puzzle games. (Okay, _This Bed We Made_ is from a couple years back.) ⁃ The Mermaid Mask ⁃ This Bed We Made ⁃ Cognition Method ⁃ He Who Watches https://blog.zarfhome.com/2026/09/late-summer-mysteries #Reviews Related
9 September
Web designer and writer; founded A List Apart and Happy Cog, co-founded the An Event Apart conference, and wrote Designing With Web Standards.
“If Reaganomics was capitalism with the gloves off, then Trumpismo is Reaganism with the mask off.” pluralistic.net
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3 September
Freelance web developer and instructor. Author of the Dive Into Docker course; writes tutorials on Docker, deployment and development environments at nickjanetakis.com.
I picked up a snorkel mask recently. I like note for securing the mask to your face. Related
31 August
Programmer; makes Handmade Hero and teaches Performance-Aware Programming, and argues loudly about how software got slow.
26 August
Programmer; makes Handmade Hero and teaches Performance-Aware Programming, and argues loudly about how software got slow.
Their words
One of the reasons that you don't see hotspot optimization as a thing that really matters that much anymore and one of the reasons I advise that architecture and and not making bad decisions is much more important is because a lot of libraries already have been optimized for you that you might use.
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youtube.com
22 August
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
17 August
Programmer; makes Handmade Hero and teaches Performance-Aware Programming, and argues loudly about how software got slow.
3 August
Programmer; makes Handmade Hero and teaches Performance-Aware Programming, and argues loudly about how software got slow.
23 July
Software engineer; co-founder and former CTO of Tailscale, previously on the Go team at Google.
The thing to know about low-level programming is: as you go lower, things actually get *easier*. The difficulty is a mirage. Instead it is maddeningly obscure. You can spend an hour studying to read 6 lines of SIMD and learn all it says is "a + b + c". mitchellh.com
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22 July
Co-founder of Superlogical, started in 2026 to build server-side terminal infrastructure; creator of Ghostty. Co-founded HashiCorp and created Vagrant and Terraform before that.
6 May
Software engineer who writes about low-level and systems programming at nullprogram.com; author of the Elfeed feed reader, the Endlessh SSH tarpit and Enchive.
Concurrent, atomic MSI hash tables Readers will be familiar with Mask-Step-Index (MSI) hash tables, a technique for building fast, open-addressed hash tables in a dozen lines of code. If multiple threads or processes access an MSI table with at least one…
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24 January
Machine learning engineer and consultant focused on RAG and retrieval systems. He writes about applied AI engineering at jxnl.co and is the author of the instructor library.
Their words
For travel, Manta Sleep eye mask — they have hot and cold versions which I love.
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jxnl.co
4 July 2025
Software engineer who writes the blog Made of Bugs about performance, debugging and understanding computer systems. Previously worked at Anthropic on interpretability, at Stripe on Sorbet, and at Ksplice.
8 June 2025
Software engineer; co-founder and former CTO of Tailscale, previously on the Go team at Google.
5 March 2025
Software engineer who writes the blog Made of Bugs about performance, debugging and understanding computer systems. Previously worked at Anthropic on interpretability, at Stripe on Sorbet, and at Ksplice.
https://bughunters.google.com/blog/5424842357473280/zen-and-the-art-of-microcode-hacking Shot: "This opens up the potential for hardware attacks (e.g., reading the key from ROM with a scanning electron microscope), side-channel attacks (e.g., using Correlation Power Analysis to leak the key during validation), or other [...] attacks" Chaser: "We noticed that the key from an old Zen 1 CPU was the example key of the NIST SP 800-38B publication and was reused until at least Zen 4 CPUs." Google Related
Nothing matches. Show everything
A korrent is a belief a person has stated in their own words: one
sentence stating the claim, backed by a quote and a source, kept at
korrents.com .
Under a name here, the quoted block is what they actually said.
The korrent beneath it is the claim those words support, in
korrents' wording — tap it to see the record, its source, and who
else holds it.
Nobody here wrote their own korrents. They are compiled from public
statements, and a person can change their mind, which is recorded too.
Got it
About the English under a post
Some people here publish in a language other than English. Where they
do, this site shows a machine translation beneath the post, in
this typeface — the site's own, not theirs.
The post itself is never changed, moved or hidden: what is set in the
serif above is exactly what the person published, and it is what to
quote them on. A translation can be wrong in ways that matter,
especially about tone.
Only the post's own words are translated. A quoted post, a linked
article and a belief on korrents.com
are left in their original language.
Got it