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Performance Speed Limits
A laundry list of speed limits that your code can’t exceed.
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 528 posts.
Hardware & Electronics
Any year
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ARM MacBook vs. Intel MacBook: A SIMD Benchmark
In my previous blog post, I compared the performance of my new ARM-based MacBook Pro with my 2017 Intel-based MacBook Pro. I used a number parsing benchmark. In some cases, the ARM-based MacBook Pro was nearly twice as fast as the older Intel-based MacBook Pro. I think that the Apple M1 processor is a breakthrough ……
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iPhone 6 Screens Demystified
Articles about PaintCode's new features, interviews, application development topics.
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Librem 5 dev kits are shipping
Purism makes premium phones, laptops, mini PCs and servers running free software on PureOS. Purism products respect people's privacy and freedom while protecting their security.
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An interview with AMD CEO Lisa Su about solving hard problems
An interview with AMD CEO Lisa Su about her path to AMD, turning around the chip maker, the AI opportunity, and competing with Nvidia.
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Raspberry Pi – UASP, Trim, and Boot Performance via USB
In the past few weeks, I reviewed USB drive performance on the Raspberry Pi 4, and the importance of UASP support for USB drive performance. Both posts generated great discussion, and there were three things I wanted to cover in this follow-up, namely: Which drives support UASP Real-world performance benchmarks TRIM…
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A look at the die of the 8086 processor
The Intel 8086 microprocessor was introduced 42 years ago this month, 1 so I made some high-res die photos of the chip to celebrate. The ...
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Logitech MX Master 3 vs. 2S Teardown
The Logitech MX Master series of mice is a favorite among the Bolt team. They’re consistently rated as top of the pack among graphic designers, engineering design professionals and everyday users who are looking for a solid wireless mouse. While they aren’t ideal for gaming, they’re well-suited for
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The sixtyforgan: Commodore 64 equipped with a spring reverb
The sixtyforgan is a Commodore 64 equipped with a spring reverb, featuring the keyboard layout of a chromatic button accordion.
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Infinite Grid of Resistors
There is a well-known puzzle based on the premise of an �infinite� grid of resistors connecting adjacent nodes of a square lattice. A small portion of such a grid is illustrated below.
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New 2GB Raspberry Pi 5 has 33% smaller die, 30% idle power savings
Raspberry Pi launched the 2 gig Pi 5 for $50, and besides half the RAM and a lower price, it has a new stepping of the main BCM2712 chip. This is the BCM2712 D0 stepping. Older Pi 5's shipped with a C1. In their blog post, they said: The new D0 stepping strips away all that unneeded functionality, leaving only the…
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Qwen-Robot Suite: A Foundation Model Suite for Physical World Intelligence
Qwen offers comprehensive functionality spanning chatbot, image and video understanding, image generation, document processing, web search integration, tool utilization, and artifacts.
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How phone batteries measure the weather
Our reports examine national and regional trends in mobile and broadband network experience, and develop in-depth insights into trends impacting consumer network experience.
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Audio CD ripping – optical drive accuracy listing
Tech-Tutorials, Howtos and buying advice2022208 points161 commentscited by 3Hardware & Electronics details
Audio CD ripping - optical drive accuracy listing
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Pine64 Februrary Update: Show and Tell
Welcome to this month’s community update. As many of you know, we have now entered the Chinese New Year (CNY) period, which means that all manufacturing and related business activities have ground to a halt. It is always a mad rush to complete ongoing work prior to CNY, but now that the festive period is upon us we…
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The next big Wi-Fi standard is for sensing, not communication (2021)
Sometime in 2024, the IEEE will unveil a new 802.11 standard that will bring new capabilities to everyone’s favorite wireless communication standard. But the upcoming 802.11bf standard isn’t for communication — it’s for sensing. The newest version of Wi-Fi layers on the ability to sense people or objects by using math…
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Hacking Transcend WiFi SD Cards
UPDATE : This post has been featured in the Hacker News front page! Thanks! I have also updated this post with additional information (at t...
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The 16-Inch MacBook Pro
After my first day with the new 16-inch MacBook Pro, I’m very optimistic about it.
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Facebook to open-source AI hardware design
Visit the post for more.
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Amateur Radio Sleuthing Pins Down Source of Strange RF Interference
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
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The Globus INK: a mechanical navigation computer for Soviet spaceflight (2023)
The Soviet space program used completely different controls and instruments from American spacecraft. One of the most interesting navigati...