Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 322 posts.
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It’s surprisingly hard to give a good answer (the question was raised in this article). It depends on how you count, and the details are interesting (to me anyway). To not leave you hanging: …
The 8-bit Z-80 processor is famed for use in many early personal computers such the Osborne 1, TRS-80, and Sinclair ZX Spectrum, and it is s...
The first 8-bit microprocessor, the TMX 1795 had the same architecture as the 8008 but was built months before the 8008. Never sold commerci...
The title of this review was carefully chosen, not glibly. I want what is best for VR and all other technologies on the Reality–Virtuality Continuum, Magic Leap included. Unfortunately, their cur…
Lisp Machine Inc. K-machine architecture
Most technician textbooks do a very poor job of explaining the details of transistors' internal workings. First they assume that the Base current is somehow controlling the Collector current, then they try to explain how one current can affect another. These explanations invariably fail because Bipolar transistors…
Taking a second look at the newly introduced mask registers, this time with the benefit of a SKX die shot from Fritzchens Fritz.
The 13-inch non-Retina MacBook Pro, model MD101LL/A , was launched in 2012 for $1199 . Almost four years later, it’s still for sale , completely unchanged except for a price drop to $1099 in 2013.
Someone's trash is another person's web server.
10 Mar 2016 | self-Amos , making , orthodontics , laser-scanning , prototyping , somatic feedback
Less is exponentially more – Rob Pike Smart phones are useful, but they are also incredibly addictive, and that addiction is at the epicenter of Silicon Valley’s effort to grab an ever-increasing percentage of our minds. If a substance or behavior controls us, it becomes our master, and that just won’t do. For the…
A summary of some problems I faced when tinkering with Quake to get it play nicely on an oscilloscope.
The first episode of the Mojoptix video podcast: the invention of a Digital Sundial !
Intel is in much more danger than its profits suggest; the problems are a long time in the making, and the solution is to split up the company.
It took a while, but I finally managed to create my own Game Boy cartridge. With WiFi! At this point, it can only demo a simple telnet-style communication and access Wikipedia articles, but I am confident that I will showcase more in the future. For now, the interesting and surprisingly tricky part is how the thing…
All the software written for this project is in Python. I’m not an expert python programmer, far from it but the huge number of available libraries and the fact that I can make some sense of it all without having spent a lifetime in Python made this a fairly obvious choice. There is a python distribution called…
I think it is healthy to compare historical and modern computing. Let's see how the CPUs contained in recent USB-C wall chargers compare to the power of the Apollo 11 Guidance Computer (AGC). The Apollo 11 spacecraft carried 3 humans to the moon and back in 1969.
TL;DR Modern disks are so fast that system performance bottleneck shifts to RAM access and CPU. With up to 64 cores, PCIe 4.0 and 8 memory channels, even a single-socket AMD ThreadRipper Pro workstation makes a hell of a powerful machine - if you do it right! Update 1: Since 2021, networks have gotten faster and now…
init7 recently announced that with their FTTH fiber offering Fiber7, they will now sell and connect you with 25 Gbit/s (Fiber7-X2) or 10 Gbit/s (Fiber7-X) fiber optics, if you want more than 1 Gbit/s. While this offer will only become available at my location late this year (or possibly later due to the supply chain…
You can view a video related to this blog post here: Does UASP make the Raspberry Pi faster?. A couple weeks ago, I did some testing with my Raspberry Pi 4 and external USB SSD drives. I found a USB 3.0 SSD was ten times faster than the fastest microSD card I tested. In the comments on the video associated with that…
October 2012 One advantage of Y Combinator's early, broad focus is that we see trends before most other people. And one of the most conspicuous trends in the last batch was the large number of hardware startups. Out of 84 companies, 7 were making hardware. On the whole they've done better than the companies that…
I'm in the process of rebuilding my homelab from the ground up, moving from a 24U full-size 4-post rack to a mini rack. One of the most difficult devices to downsize (especially economically) is a NAS. But as my needs have changed, I'm bucking the trend of all datahoarders and I need less storage than the 120 TB (80…
an adventure in image processing and taking very wide photographs (blog post; 4,600 words)
A startup called Taalas , recently released an ASIC chip running Llama 3.1 8B (3/6 bit quant) at an inference rate of 17,000 tokens per seconds. That's like writing around 30 A4 sized pages in one second. They claim it's 10x cheaper in ownership cost than GPU based inference systems and is 10x less electricity hog…
This page discusses how I added a microSD card to my reMarkable tablet . I did this because I want to develop software for my rM without wearing out the internal eMMC. I chose an external card because I want to be able to swap them easily; it also makes backups faster.
