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The legend of “x86 CPUs decode instructions into RISC form internally” (2020)
A dive into what x86 instruction are decoded into various processors, to determine the truth of the idea that they're just RISC-like internally.
New
The latest blog posts to take off on Hacker News. 4,807 posts.
Hardware & Electronics
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Apple Vision Pro – Potential hardware issues
Introduction This part will primarily cover the hardware and related human physical and visual issues with the Apple Vision Pro (AVP). In Part 3, I intend to discuss my issues with the applications…
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Review of Hetzner ARM64 servers and experience of WebP cloud services on them
TL；DR： Hetzner ARM64 performs very well, with the 4-core CAX21 (ARM64, 4 cores, 8GB RAM) machine only being 8% slower in WebP conversion speed compared to the 3-core CPX21 (AMD64, 3 cores, 4GB RAM), while the price difference between the two is 14% (8.40 USD/mo vs 9.76 USD/mo). Additionally, the CAX21 offers twice the…
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My 24 year old HP Jornada can do things an iPhone still can't do
Published: 15-06-2023 01:30 | Author: Remy van Elst | Text only version of this article
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Recovering secret keys from devices using video footage of their power LED
Exploiting a Video Camera's Rolling Shutter to Recover Secret Keys from Devices Using Video Footage of Their Power LED
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New Functionality: Bluetooth for Raspberry Pi Pico W
Raspberry Pi Pico W, our wireless-enabled variant of our Pico platform, built around our RP2040 microcontroller, now has Bluetooth support.
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New RAM card, prototype Mac Portable, demo System 7
I guess this is a review of sorts, so here's the review part: you should buy Tech by Androda's new 7MB Macintosh Portable RAM card . On my D...
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“csinc”, the AArch64 instruction you didn’t know you wanted
After a long time of not publishing anything and being passive about doing any writing in this blog, I am coming back for … however many articles I can. Today I want to talk about an underrat…
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Apple Vision
Apple Vision is incredibly compelling, first as a product, and second as far as potential use cases. What it says about society, though, is a bit more pessimistic.
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Apple Vision Pro: Apple’s first spatial computer
Apple today unveiled Apple Vision Pro, a revolutionary spatial computer that seamlessly blends digital content with the physical world.
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Apple unveils new Mac Studio and brings Apple Silicon to Mac Pro
Apple today introduced the new Mac Studio and Mac Pro, the two most powerful Macs ever made.
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Apple Introduces M2 Ultra
Apple today announced M2 Ultra, a new system on a chip (SoC) that delivers huge performance increases to the Mac and completes the M2 family.
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Linux on the Xbox 360
Hello and welcome back to The Cool Blog. I've been meaning to write more but I had these things called finals and then I had to move home for the summer and then I got addicted to Satisfactory again and yeah. Anyway I'm back and time for me to share a project of mine that I've been working on since like March.
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Connect to your Raspberry Pi over USB using gadget mode
We’ve written previously about how to configure WiFi and SSH on your Raspberry Pi without having to connect any peripheral devices (headless). As long as you’re comfortable on the command line, this makes it much easier to work with your Pi.
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System76's coreboot open firmware manages to disable Intel ME for Raptor Lake
Read about the latest performance boosts, disabling Intel ME, Windows 11 support, and more!
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27 years later and the Psion 3a is still wonderful (2020)
My daughter found my Psion 3a the other day, tucked at the back of a cupboard she was clearing out for me. It looked fine and is still in excellent aesthetic condition, and fortunately I had left n…
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Introduction to Open Source Laptop Project by Lukas Henkel
Ever dreamt of designing your own open-source laptop? For a while now I´ve been fascinated by this idea. As you can probably imagine, this is a monumental task that will require a lot of time and resources. Working alone on a project of this size makes matters even more difficult.
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A new class of tiny, self-propelled robots that can zip through liquid at speed
CU Boulder engineers have designed a new class of "microrobots" several times smaller than the width of a human hair that may be able to treat human illnesses
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Box64 and RISC-V
Box64 and RISC-V, the challenges of wrtting the Dynarec, and benchmarks
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Nvidia DGX GH200: 100 Terabyte GPU Memory System
At COMPUTEX 2023, NVIDIA announced NVIDIA DGX GH200, which marks another breakthrough in GPU-accelerated computing to power the most demanding giant AI workloads.
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Hacking my “smart” toothbrush
After buying a new Philips Sonicare toothbrush I was surprised to see that it reacts to the insertion of a brush head by blinking an LED. A quick online search reveals that the head communicates with the toothbrush handle to remind you when it’s time to buy a new one. From the Philips product page: seems to be REALLY…
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Modern CPUs have a backstage cast
If you take someone with intermediate knowledge of computing in the right areas, and ask them how an x86 machine boots, they'll probably start telling you about how the CPU first comes up in real mode and starts executing code from the 8086 reset vector of FFFF:FFF0. This understanding of how an x86 machine boots has…
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C++17’s useful features for embedded systems
A community and blog for embedded software makers
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Fitting 44% More Data on a C64/1541 Floppy Disk
The physical data format on a Commodore 1541 5¼-inch floppy disk as used by the C64 is completely defined in software. The drive’s operating system fits 170 KB on a disk. This article explores different strategies, each with its pros and cons, to fit up to 246 KB.