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__michaelg commented on Raspberry Pi Pico does line rate 100M Ethernet   github.com/rscott2049/pic... · Posted by u/rscott2049
__michaelg · a year ago
> receive side uses a per-packet interrupt to finalize a received packet

This has made much faster systems not being able to process packets at line speed. A classic was that standard Gigabit network cards and contemporary CPUs were not able to process VoIP packets (which are tiny) at line speed, while they could easily download files (which are basically MTU-sized packets) at line speed.

__michaelg commented on Some Fritz!Box modems might have been hijacked   crapts.org/2024/04/21/all... · Posted by u/mmcnl
__michaelg · 2 years ago
This is stupid clickbait title, and the article isn't even very precise. Yes, that whole fritz.box situation is known and bad. But the problem discussed here doesn't nearly apply to every situation. Specifically, the box's builtin resolver (which is still used by default by a lot of things) knows not to forward fritz.box requests to the outside. That is, `dig google.com.fritz.box` and everything else say NXDOMAIN when you're using the builtin DNS.
__michaelg commented on Ceefax Simulator   nathanmediaservices.co.uk... · Posted by u/rwmj
__michaelg · 2 years ago
Germany's public broadcaster still offers an official website to see their current teletext: https://www.ard-text.de/
__michaelg commented on Lichee Console 4A – RISC-V mini laptop: Review, benchmarks and early issues   3.14.by/en/read/RISC-V-Si... · Posted by u/BarsMonster
bpye · 2 years ago
I could get over the perf but the power consumption is rough.

It seems strange that the USB hub is using so much power. From a (leaked?) data sheet I don’t see any way to disable it - but it does have firmware which can be updated? There is also a 5V-3.3V LDO built in so I wonder if that may be what is dissipating so much power.

The AMS1153 looks like a similar story…

__michaelg · 2 years ago
Yup, something is strange there. There are 14in x86 laptops that consume 7W or 8W in idle (with the screen turned on but on minimal brightness).
__michaelg commented on Microdot   microdot.readthedocs.io/e... · Posted by u/kristianpaul
__michaelg · 2 years ago
Given the title I really wanted this to be a small and portable graphviz reimplementation...
__michaelg commented on Scientists unveil fire-safe fuel   news.ucr.edu/articles/202... · Posted by u/geox
__michaelg · 2 years ago
Reminds me a little of https://en.wikipedia.org/wiki/Controlled_Impact_Demonstratio... which deliberately crashed an airplane. The fuel contained an additive that was supposed to limit the post-crash fire, but wasn't as effective as hoped for.
__michaelg commented on Microsoft Designer   designer.microsoft.com/?h... · Posted by u/syrusakbary
__michaelg · 3 years ago
I read "Stunning designs in Flash" at first, and it almost made sense.

u/__michaelg

KarmaCake day921August 22, 2013View Original