Bootstrap knowledge of LLMs ASAP. With a bias/focus to GPT.
Avoid being a link dump. Try to provide only valuable well tuned information.
Neural network links before starting with transformers.
Jan Erik Petersen AgentOak
gtk2k
/ Youtube360VideoFormatList.md
Last active
August 24, 2025 17:12
Youtube 360 video format list
As a result of examining 10 each of Monoscopic and Stereoscopic videos of 360 videos, most of them (about 80%) became the format distribution shown in the table.
| Resolution | AV1 HFR High | AV1 HFR | AV1 | VP9.2 HDR HFR | VP9 HFR | VP9 | H.264 HFR | H.264 |
|---|---|---|---|---|---|---|---|---|
| MP4 | MP4 | MP4 | WebM | WebM | WebM | MP4 | MP4 | |
| 4320p | 402/571 ---/EQU |
272 --- |
--- |
|||||
| 2160p | 701 --- |
401 EQU |
337 --- |
315 EAC |
(313) EAC |
(305) --- |
(266) --- |
|
| 1440p | 700 --- |
400 EQU |
336 --- |
308 EAC |
(271) EAC |
(304) --- |
(264) --- |
|
| 1080p | 699 --- |
399 EQU |
335 --- |
303 EAC |
(248) EAC |
299 EAC |
(137) EAC(*EQU) |
|
| 720p | 698--- | 398EQU | 334--- | 302EAC | 247EAC(*EQU) | 298EAC | 136EAC |
marcan
/ starlet_memory_map.txt
Last active
February 21, 2021 21:52
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| Starlet memory map | |
| 00000000-04000000: MEM1 area (2 mirrors, 0x2000000 each) | |
| 0000000-1800000: MEM1 (0x1800000) | |
| 1800000-2000000: unimplemented / bus noise / junk? (looks like uninitialized memory but unwritable) | |
| 04000000-08000000: unimplemented, read as zeroes | |
| 08000000-10000000: register/SRAM area (8 mirrors, 0x800000 each) | |
| 000000-400000: registers (4 mirrors, 0x100000 each) CANONICAL ADDRESSES: 0x0d000000 and 0x0d800000 |
erincandescent
/ RISC-V.md
Created
July 25, 2019 23:32
This document was originally written several years ago. At the time I was working as an execution core verification engineer at Arm. The following points are coloured heavily by working in and around the execution cores of various processors. Apply a pinch of salt; points contain varying degrees of opinion.
It is still my opinion that RISC-V could be much better designed; though I will also say that if I was building a 32 or 64-bit CPU today I'd likely implement the architecture to benefit from the existing tooling.
Mostly based upon the RISC-V ISA spec v2.0. Some updates have been made for v2.2
The RISC-V ISA has pursued minimalism to a fault. There is a large emphasis on minimizing instruction count, normalizing encoding, etc. This pursuit of minimalism has resulted in false orthogonalities (such as reusing the same instruction for branches, calls and returns) and a requirement for superfluous instructions which impacts code density both in terms of size and
marcan
/ gamma_trick.sh
Last active
October 11, 2025 16:28
Two images in one using the PNG gamma header trick.
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| #!/bin/sh | |
| # PNG Gamma trick (by @marcan42 / [email protected]) | |
| # | |
| # This script implements an improved version of the gamma trick used to make | |
| # thumbnail images on reddit/4chan look different from the full-size image. | |
| # | |
| # Sample output (SFW; images by @Miluda): | |
| # https://mrcn.st/t/homura_gamma_trick.png | |
| # https://www.reddit.com/r/test/comments/6edthw/ (click for fullsize) | |
| # https://twitter.com/marcan42/status/869855956842143744 |