Nicolas Lopez's Avatar

Nicolas Lopez

@nicolas-lopez.bsky.social

Technical Architect and GPU Plumber on Assassin's Creed & Anvil Engine at Ubisoft MTL. I speak for myself.

499 Followers  |  226 Following  |  54 Posts  |  Joined: 07.11.2024  |  1.7879

Latest posts by nicolas-lopez.bsky.social on Bluesky

ReGIR - An advanced implementation for many-lights offline rendering | Tom Clabault Tom Clabault's website

ReGIR - An advanced implementation for many-lights offline rendering tomclabault.github.io/blog/2025/re...

20.10.2025 19:30 β€” πŸ‘ 23    πŸ” 5    πŸ’¬ 0    πŸ“Œ 0
Preview
Inside NVIDIA GPUs: Anatomy of high performance matmul kernels - Aleksa Gordić From GPU architecture and PTX/SASS to warp-tiling and deep asynchronous tensor core pipelines.

"Inside NVIDIA GPUs: Anatomy of high performance matmul kernels", includes a great intro to GPU architecture and PTX/SASS: www.aleksagordic.com/blog/matmul

01.10.2025 19:36 β€” πŸ‘ 55    πŸ” 12    πŸ’¬ 0    πŸ“Œ 0
RAY TRACING THE WORLD OF ASSASSIN'S CREED SHADOWS (Advances in Real-Time Rendering SIGGRAPH 2025)
YouTube video by SIGGRAPH Advances in Real-Time Rendering RAY TRACING THE WORLD OF ASSASSIN'S CREED SHADOWS (Advances in Real-Time Rendering SIGGRAPH 2025)

Ray tracing The World of #AssassinsCreedShadows (Siggraph 2025) available on YouTube youtu.be/2K-rwy4aMmU?...

30.09.2025 08:08 β€” πŸ‘ 22    πŸ” 3    πŸ’¬ 0    πŸ“Œ 0
Fixing C
YouTube video by Neokineogfx Fixing C

This new video by Timothy Lottes will be the craziest way of programming you've seen for a long time. www.youtube.com/watch?v=RrL7...

23.09.2025 17:48 β€” πŸ‘ 15    πŸ” 4    πŸ’¬ 1    πŸ“Œ 0

I had 3 of those. They all failed me the same way.

01.09.2025 13:21 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Idk, but 40 looks closer to 60 than to 30 to me and this is wild

30.08.2025 02:42 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Post image

#SIGGRAPH2025 Advances in Real-Time Rendering in Games course slides for "Fast as Hell: idTech8 Global Illumination” talk by @idsoftwaretiago.bsky.social from @idsoftware.bsky.social
are now online
advances.realtimerendering.com/s2025/index....

26.08.2025 05:25 β€” πŸ‘ 85    πŸ” 27    πŸ’¬ 1    πŸ“Œ 1
Post image

#SIGGRAPH2025 Advances in Real-Time Rendering in Games course talks slides for "Real-Time Subsurface Scattering via Hybrid ReSTIR-Path-Tracing and Diffusion” talk by Tanki Zhang from NVIDIA are now online
advances.realtimerendering.com/s2025/index....

26.08.2025 05:22 β€” πŸ‘ 19    πŸ” 8    πŸ’¬ 0    πŸ“Œ 0
Post image

#SIGGRAPH2025 Advances in Real-Time Rendering in Games course talks slides for "Stochastic Tile-Based Lighting in HypeHype" by Jarkko LempiΓ€inen are now online: advances.realtimerendering.com/s2025/index....

26.08.2025 05:15 β€” πŸ‘ 32    πŸ” 12    πŸ’¬ 0    πŸ“Œ 0
Post image

#SIGGRAPH2025 Advances talks slides sharing: "Strand-based hair and fur rendering in Indiana Jones and the Great Circle" by Sergei Kulikov from Machine games is now online advances.realtimerendering.com/s2025/index....

26.08.2025 05:09 β€” πŸ‘ 39    πŸ” 13    πŸ’¬ 0    πŸ“Œ 0
Intuitive Guide to Convolution – BetterExplained

Intuitive Guide to Convolution betterexplained.com/articles/int...

21.08.2025 19:54 β€” πŸ‘ 22    πŸ” 4    πŸ’¬ 0    πŸ“Œ 0
Post image

Our "Neural Visibility Cache" paper has been published in JCGT! Here is a link: www.jcgt.org/published/00...

18.08.2025 18:24 β€” πŸ‘ 26    πŸ” 7    πŸ’¬ 1    πŸ“Œ 0
Post image

As the date for the 20th anniversary of Advances is coming, I realized some content was missing.
Posted 2007 and 2008 courses online - check them out!

advances.realtimerendering.com

09.08.2025 09:15 β€” πŸ‘ 58    πŸ” 25    πŸ’¬ 1    πŸ“Œ 0
SIGGRAPH 2025 Links

SIGGRAPH 2025 links: blog.selfshadow.com/2025/08/15/s.... I'll be adding more soon. Let me know if I'm missing anything.

16.08.2025 16:16 β€” πŸ‘ 37    πŸ” 19    πŸ’¬ 1    πŸ“Œ 0

An Introduction to Neural Shading, Siggraph 2025 course presentation slides dl.acm.org/doi/suppl/10... and materials github.com/shader-slang...

15.08.2025 17:36 β€” πŸ‘ 38    πŸ” 13    πŸ’¬ 0    πŸ“Œ 0

Great Siggraph 2025. Tons of good talks. #AssassinsCreedShadows of course :), Gran Turismo 7, Activision, Neural Shading and Workgraph courses. Great stuff. And a lot of content is already online. It’s great to see so much sharing. #SIGGRAPH2025

14.08.2025 23:11 β€” πŸ‘ 14    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Great talk from the team! Congrats!
#AssassinsCreed #Anvil #Ubisoft

13.08.2025 01:14 β€” πŸ‘ 12    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
SIGGRAPH 2025 Course: Physically Based Shading in Theory and Practice

Most of the slides and course notes for the SIGGRAPH 2025 Physically Based Shading in Theory and practice course are now online, with more to follow:
blog.selfshadow.com/publications...

10.08.2025 14:46 β€” πŸ‘ 111    πŸ” 55    πŸ’¬ 1    πŸ“Œ 0
GPU Work Graphs Course

#Siggraph Work graph course is already online coburggraphicslab.github.io/workgraphs/

10.08.2025 21:01 β€” πŸ‘ 41    πŸ” 16    πŸ’¬ 0    πŸ“Œ 0
Preview
Organization - SIGGRAPH 2025 Conference Schedule

Join us at #SIGGRAPH2025 to attend our exciting courses and presentations, including:

✨GPU Work Graphs on Sunday, Aug 10
✨Demystifying Noise: Role of Randomness in Generative AI on Wednesday, Aug 13

πŸ“… See our schedule: s2025.conference-schedule.org/organization...

08.08.2025 16:31 β€” πŸ‘ 12    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0

Congrats! Exciting news!

08.08.2025 00:53 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Post image

I’ll be attending Siggraph this year. If you wish to meet and discuss graphics, hit me up!

Moreover the Anvil team will be giving a talk at the Advances in Real Time Graphics Course!

22.07.2025 17:36 β€” πŸ‘ 11    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Lossless Float Image Compression Β· Aras' website

Blog post about lossless float image compression (EXR, HTJ2K, JPEG-XL, mesh optimizer): aras-p.info/blog/2025/07...

10.07.2025 14:38 β€” πŸ‘ 67    πŸ” 18    πŸ’¬ 2    πŸ“Œ 0

Our talk β€œAnvil Rendering Architecture” is up on YouTube, including Q&A!
youtu.be/CcYq18bkvyU?...

03.07.2025 18:53 β€” πŸ‘ 29    πŸ” 6    πŸ’¬ 0    πŸ“Œ 0

RenderMan XPU: A Hybrid CPU+GPU Renderer for Interactive and Final-frame Rendering

diglib.eg.org/server/api/c...

30.06.2025 10:06 β€” πŸ‘ 6    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Why FPS matters when comparing upscaling quality I posted a small snippet of information on bluesky recently about reviewers comparing upscalers. I have seen outlets compare images rendered with GPUs in different market segments, such as AMD Radeon ...

New Post: Why FPS matters when comparing upscaling quality domipheus.com/blog/why-fps...

29.06.2025 09:56 β€” πŸ‘ 18    πŸ” 5    πŸ’¬ 1    πŸ“Œ 1
Preview
Blackwell: Nvidia’s Massive GPU Nvidia has a long tradition of building giant GPUs. Blackwell, their latest graphics architecture, continues that tradition. GB202 is the largest Blackwell die. It occupies a massive 750mm2 of area…

Hello you fine Internet folks,

Today's article is on Nvidia's RTX PRO 6000 Blackwell and diving into the Blackwell architecture generally and more specifically into the GB202 GPU die in the RTX PRO 6000.

Hope y'all enjoy!

chipsandcheese.com/p/blackwell-...

old.chipsandcheese.com/2025/06/28/b...

29.06.2025 00:36 β€” πŸ‘ 36    πŸ” 4    πŸ’¬ 0    πŸ“Œ 1
Preview
The Hidden Tech That Makes Assassin's Creed Shadows Feel More Alive (And Not Require 2TB) An Assassin's Creed developer sheds some light on how new, often hidden technology, is making games better for developers and gamers alike.

I recently spoke with GameSpot about global illumination and how we approached it in #AssassinsCreedShadows

www.gamespot.com/articles/the...

28.06.2025 20:50 β€” πŸ‘ 55    πŸ” 8    πŸ’¬ 0    πŸ“Œ 0
Post image

Our talk from REAC 25 is now available online!
You can download the slides here: enginearchitecture.org/2025.htm#4
The recording will be published in the coming daysβ€”stay tuned!

Direct Links:
- PDF: enginearchitecture.org/downloads/RE...
- PPT: enginearchitecture.org/downloads/RE...

26.06.2025 07:27 β€” πŸ‘ 50    πŸ” 15    πŸ’¬ 0    πŸ“Œ 0

@nicolas-lopez is following 20 prominent accounts