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We replaced H.264 streaming with JPEG screenshots (and it worked better)
Or: How JPEG Screenshots Defeated Our Beautiful H.264 WebCodecs Pipeline
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 6,942 posts.
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Cloudflare outage on July 17, 2020
Today a configuration error in our backbone network caused an outage for Internet properties and Cloudflare services that lasted 27 minutes. We saw traffic drop by about 50% across our network.
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How much faster are the Gnome 46 terminals?
I use a hardware latency tester to measure how much the VTE-based terminals improved from GNOME 45 to GNOME 46.
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PostgreSQL Scalability: Towards Millions TPS
PostgreSQL scalability on multicore and multisocket machines became a subject of optimization long time ago once such machines became widely used. This blog post shows brief history of vertical scalability improvements between versions 8.0 and 8.4. PostgreSQL 9.2 had very noticeable scalability improvement. Thanks to…
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Death by a Thousand Microservices
The software industry is learning once again that complexity kills
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JVM Internals (2013)
Explains the internal architecture of the Java Virtual Machine (JVM) in simple terms using showing key components and how memory is updated during execution.
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Memory Integrity Enforcement
Memory Integrity Enforcement (MIE) is the culmination of an unprecedented design and engineering effort spanning half a decade that combines the unique strengths of Apple silicon hardware with our advanced operating system security to provide industry-first, always-on memory safety protection across our devices …
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New In Postgres 12: Generated Columns
pgDash is an in-depth monitoring solution designed specifically for PostgreSQL deployments. pgDash shows you information and metrics about every aspect of your PostgreSQL database server, collected using the open-source tool pgmetrics.
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How does apt render its fancy progress bar?
Python Developer and Trainer
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Meta’s renewed commitment to jemalloc
Meta recognizes the long-term benefits of jemalloc, a high-performance memory allocator, in its software infrastructure. We are renewing focus on jemalloc, aiming to reduce maintenance needs and mo…
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Dissecting the Apple M1 GPU, Part III
After a few weeks of investigating the Apple M1 GPU in January, I was able to draw a triangle with my own open source code . Although I began dissecting the instruction set, the shaders there were specified as machine code. A real graphics driver needs a compiler from high-level shading languages (GLSL or Metal) to a…
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Pi Durable
Pi Durable is a new experimental package for long-running, durable, and malleable agents that can run anywhere. A tour of what we built and why.
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Wendelstein 7-X: Gigajoule energy turnover generated for eight minutes
After successful recommissioning in autumn 2022, the Greifswald nuclear fusion experiment has surpassed an important target.
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How M1 Macs feel faster than Intel models: it’s about QoS
By segregating macOS background tasks on Efficiency cores, M1 Macs can run user apps unfettered on their Performance cores. And that feels really fast.
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The Prime Video microservices to monolith story
The Prime Video team published this story: Scaling up the audio/video monitoring service and reducing costs by 90%, and the internet piled…
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OpenGL 3.1 on Asahi Linux
Porting Linux to Apple Silicon
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You can't trust macOS Privacy and Security settings
How to gain access to the contents of privacy-protected folders even though Privacy & Security settings say that access is denied.
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Last Year on My Mac: Look Back in Disbelief
If someone had told me 12 months ago what was going to happen this past year, I wouldn’t have believed them. Skipping swiftly past all the political, economic and social turmoil, I come to th…
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Making a Go program faster with a one-character change
Harry Marr — Member of Technical Staff at Anthropic. Co-founded Dependabot, previously at GitHub, Monzo, and GoCardless.
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How OpenAI delivers low-latency voice AI at scale
How OpenAI rebuilt its WebRTC stack to power real-time Voice AI with low latency, global scale, and seamless conversational turn-taking.
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Oxide Computer Company: Initial boot sequence
Introducing the Oxide Computer Company!
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Meltdown and Spectre Linux kernel status
By now, everyone knows that something “big” just got announced regarding computer security. Heck, when the Daily Mail does a report on it …
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300ms Faster: Reducing Wikipedia's total blocking time
How two simple steps improved the responsiveness of Wikipedia's mobile site
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Quantized Llama models with increased speed and a reduced memory footprint
As our first quantized models in this Llama category, these instruction-tuned models retain the quality and safety of the original 1B and 3B models, while achieving 2-4x speedup.