I have the following MP4 files available for higher quality playback. Contact me if you want a copy.
| Title | Year | Time | MB |
| The Xmas Demo 2023 | 2023 | 4:03 | 1589 |
| Shady Julia Quaternions | 2023 | 2:09 | 547 |
| Edgehog Remastered | 2023 | 1:36 | 237 |
| The Xmas Demo 2022 | 2022 | 3:34 | 1117 |
| The Xmas Demo 2021 Remastered | 2021 | 4:22 | 1234 |
| Real Programming Launch Video | 2021 | 0:40 | 52 |
| Ekte Programmering lanseringsvideo | 2021 | 0:40 | 52 |
| The Xmas Demo 2020 | 2020 | 5:24 | 911 |
| Dreamscape & Eclipse: The Final Cut | 2019 | 3:58 | 81 |
| Dreamscape: The Missing Scene | 2019 | 0:54 | 28 |
| Superhero | 2019 | 3:46 | 390 |
| Wobblerne 2 | 2019 | 4:58 | 773 |
| Julia Quaternions HQ Tech Demo | 2019 | 2:50 | 588 |
| TX2 Mandelbrot Smooth Coloring v3 | 2018 | 3:03 | 468 |
| The Xmas Demo 2017 Remastered | 2017 | 5:01 | 953 |
| GPU Raytracing...X1 v2.0 Remastered | 2017 | 1:32 | 63 |
Several of the videos use music by
Kevin MacLeod [incompetech.com].
We also use music by C64 and Amiga legend
Chris Huelsbeck [bandcamp.com].
All the videos are rendered in 1920x1080. Wobblerne 2 and Superhero should be played back at 50 fps, the rest at 60 fps.
Below is a selection of my videos that are available on YouTube. The Greatest Hits playlist has them all for easy access. Subscribe to my YouTube channel if you're feeling lucky. I usually release 1-3 videos per year.
The Xmas Demo 2023 for the NVidia Jetson AGX Orin Developer Kit.
Article: The Xmas Demo 2023
Julia Quaternions, a bit more polished. Even flashier coloring scheme and plane shadows. 1080p60 on
RTX 3070, 50% load. Music by C64 and Amiga legend
Chris Huelsbeck [bandcamp.com].
We're still working on the end part slogan.
Info: News 6 July 2023
1080p60 fractals on a dainty Jetson Nano. Live recording. Uses all ARM cores and the GPU in
parallel. Short tech demo: We went overboard with the 1987 styling. Because we can. And we really
don't care. Trivia: Which picture in the fake browser is not from 1987?
Article: Edgehog: 1080p60 Nano Fractals
The Xmas Demo 2022 for the NVidia Jetson AGX Orin Developer Kit.
Article: The Xmas Demo 2022
The Xmas Demo 2021 Remastered for the NVidia Jetson AGX Xavier.
Article: The Xmas Demo 2021
Sjur Julin made the launch videos for the book Real Programming (Ekte Programmering in Norwegian).
The Xmas Demo 2020, in cooperation with
Sjur Julin. Full Windows and Linux source
code available in the article.
Article: The Xmas Demo 2020
A remastering of the Triumph Amiga demos Dreamscape and Eclipse, released at The Gathering 1996 and
1997, respectively. The music was remastered by
Sjur Julin. I did all the video magic.
Article: Dreamscape and Eclipse: The Final Cut
Sjur Julin and I recovered two old Triumph videos from VHS in 2019. I'm pretty happy with the result. Rescue your old tapes now, before they become totally unwatchable!
Superhero by Morten Johnsen and Wobblerne 2 by Morten Johnsen and Ivan Moen were released at The Gathering 1998:
I've made some Julia Quaternion respins over the years. I took the shader code by Keenan Crane, converted it to C, made a threaded renderer, fixed a couple of bugs and used positions by Paul Bourke. The rotation code was my own work: Doing it in 4D is very complicated, so I did it in 3D instead. If the only tool in your toolbox is atan2, every problem looks like... err:
Some dork claimed it was impossible to do the Cisco floating balls
effect on the SX80 videoconferencing system. I proved it wasn't. They didn't use it. Another
management win. 2 cores (of 36) running 8-bit SIMD code, not a float in sight. Could probably be
squeezed into 1 core, but that ship has sailed.
Info: News 12 June 2018
Fractals gone wild. Using a custom multi-threaded ARM rendering routine that switches to 64 bit math
when the world... sorry, 32 bit is not enough.
Info: News 11 April 2023
Torus Journey, from ShaderToy, squeezed into the TX2 at 60 fps.
Info: News 12 January 2018
The Xmas Demo 2017 Remastered. Everything runs in 60fps. A ridiculous amount of dubious
optimizations were used to squeeze every bit of performance out of a simple NVidia Jetson TX2 GPU
with 256 cores. Based on code from ShaderToy, Keenan Crane and myself.
Article: NVidia Jetson TX2 Xmas Demo 2017
Test of NVidia ShadowPlay in 2560x1440. Recording from the game Age of Conan. This is what happens when you screw up badly. Everybody gets frozen and it's game over.
Julia fractals. Depth 2048, rendered in 4K and downscaled. Not real-time at all.
I played around with the
Thorn fractal code by Paul Bourke [paulbourke.net]
on the TX1 GPU. Real-time ofc. And some real-time Julia Quaternions, also on the TX1 GPU.
Info: News 21 July 2017
Is it possible to trace 128 spheres on the TX1 GPU? Yes, by using the CPU to do some preprocessing
before passing it to the GPU.
Also a binary fixed point raytracer on the TILE-Gx mega-multicore CPU that can do 40 spheres.
And some random super simple physics simulations using the TX1 engine.
Article: GPURay - GPU+CPU Raytracer for NVidia Tegra X1
Article: Integer Raytracing on Tilera TILE-Gx
How to stress the TX1 GPU maximally. Also, it looks pretty cool. Careful, things might catch fire:
I made mega-multicore ports of Quake and Doom to show off the TILE-Gx CPU. Each instance runs on a
single core.
Article: MultiQuake - Quake for Tilera TILE-Gx CPUs
Article: MultiDoom - Doom for Tilera TILE-Gx CPUs
Julia fractals depth 256 1080p60 guaranteed on a Tegra X1:
I made an OpenGL TX1 port of Quake that ran on some Cisco hardware and sorted out all the technical issues. Top Cisco brass watched it. Nobody gave a fuck. It worked pretty well:
First iterations of the TILE-Gx raytracer using floating point.
Article: Raytracing on Tilera TILE-Gx
All articles and source code files published on this website should have their licensing requirements clearly stated in the document. If licensing requirements are missing or incomplete, contact me and I'll fix it asap.
I do my best to follow licensing requirements on items used on this website, be it source code, images, or quotes from articles. If you mean that the licensing requirements for a specific item are not met and (this is important) you are the original artist or author, please contact me to have this fixed asap.
