iiinova — where your digital self keeps evolving

New blog post! In "Billions of triangles redux" we take another stab at improving various parts of clustered level of detail pipeline to make Zorah smaller and nicer! zeux.io/2026/09/30/b...

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Reposted by Arseny Kapoulkine

Tom Forsyth @tomforsyth.bsky.social · 28/09/2026

DASHR - Dynamically Animated Skinned Heightfield Rendering Short video for now - I might do a longer one later? youtu.be/-Su9YrcazRk But there's ALL the details in the paper, and you can always Use The Source, Luke for the really deep info. github.com/tomforsyth10...

youtu.be

DASHR - Dynamically Animated Skinned Heightfield Rendering - six minutes version

YouTube video by Tom Forsyth

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Arseny Kapoulkine @zeux.io · 25/09/2026

meshoptimizer 1.3 is out! Featuring a new voxel remesher, support for normal generation, several simplification improvements and various optimizations and fixes. GitHub stars and reposts appreciated! meshoptimizer was started 10 years ago; excited for the years to come! github.com/zeux/meshopt...

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Arseny Kapoulkine @zeux.io · 08/09/2026

meshoptimizer turns 10 today! This blindsided me a little bit; I thought it would be later this year. So I don't have an anniversary release or post ready; I'm on a tail end of a few neat improvements that need a bit more time to work on or write about. Time flies!

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Arseny Kapoulkine @zeux.io · 06/08/2026

one more thing before I unplug for a couple weeks: nicer vertex normals!

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Arseny Kapoulkine @zeux.io · 30/06/2026

meshoptimizer 1.2 is out! Featuring support for tangent generation, a significantly faster vertex decoder for Intel/AMD CPUs, several new smaller algorithms (cluster position compression, triangle filtering, clusterlod BVH) and more. GitHub stars and boosts appreciated! github.com/zeux/meshopt...

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Reposted by Arseny Kapoulkine

Superluminal @superluminal.eu · 29/06/2026

We're finally bringing our powerful and user friendly CPU profiler to Linux! The beta version is now publically available, and it's free for 60 days during the open beta, so there's really no excuse not to try it out! Just download, extract, optimize. superluminal.eu/applications...

superluminal.eu

Superluminal For Linux | Fast Profiling Without The Challenges

No pages of installation guides. No Gigabytes to download and install. Just unzip, run and focus on performance issues. It Just Works™.

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Arseny Kapoulkine @zeux.io · 17/06/2026

New blog post! In "Zigzag decoding with AVX-512", we look at two different ways to possibly (caveat emptor) speed up various forms of zigzag decoding with AVX-512 functionality that isn't just "wider registers"! zeux.io/2026/06/17/z...

zeux.io

Zigzag decoding with AVX-512

I’ve been working on speeding up AVX-512 vertex decoding in meshoptimizer recently; in the process I stumbled upon two optimizations that I did not end up using but I thought they might be fun to writ...

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Arseny Kapoulkine @zeux.io · 16/06/2026

pugixml 1.16 is out! It's a nice release, but also it's the 20th anniversary release, so I wrote a few words on the history in the release notes :) but also it's a well rounded release by itself, with bug fixes, performance improvements and a couple tiny features. github.com/zeux/pugixml...

github.com

Release v1.16 · zeux/pugixml

pugixml-1.16 is out. This is an anniversary release: pugixml turns 20 this year! In early 2006, I was evaluating existing XML parsers to parse large COLLADA files quickly and nothing fit the bill; ...

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Arseny Kapoulkine @zeux.io · 22/05/2026

Spent some time yesterday working with a few different scenes and doing a few performance tweaks. Commits should be self explanatory, so just sharing for anyone curious :) github.com/zeux/niagara...

github.com

Commits · zeux/niagara

A Vulkan renderer written from scratch on stream. Contribute to zeux/niagara development by creating an account on GitHub.

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Arseny Kapoulkine @zeux.io · 21/05/2026

A list of experimental meshoptimizer APIs. When 1.0 was released in December last year, the only experimental API was marked with the green checkmark.

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Arseny Kapoulkine @zeux.io · 20/05/2026

Almost 10% speedup on this view from an upcoming meshopt function (1.05 => 0.96ms). Obvious omission in hindsight...

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Arseny Kapoulkine @zeux.io · 09/05/2026

Upcoming niagara stream! This Sunday, on May 10, at 10 AM PST (5 PM GMT), we're going to implement support for opacity micromaps using VK_KHR_opacity_micromaps extension that released yesterday. youtube.com/live/gVIHXWI...

youtube.com

niagara: Opacity micromaps

YouTube video by Arseny Kapoulkine

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Arseny Kapoulkine @zeux.io · 09/05/2026

who even needs triangles in the first place

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Arseny Kapoulkine @zeux.io · 04/05/2026

While volk always tracks the latest Vulkan version (I've automated myself), I occasionally tag new numbered versions and today is such a day! New release 1.4.350 features a number of small improvements for various edge cases as long as all the new extensions you may want. github.com/zeux/volk/re...

github.com

Release 1.4.350 · zeux/volk

A periodic tagged release of volk, matching Vulkan 1.4.350. New extensions: VK_EXT_descriptor_heap 🎉 VK_ARM_data_graph, VK_ARM_data_graph_optical_flow, VK_ARM_performance_counters_by_region, VK_AR...

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Arseny Kapoulkine @zeux.io · 30/04/2026

New blog post! In "Quantizing tangent frames", we look at various established methods to represent tangent frames in the vertex data, squeeze a few variants into 32 bits per vertex and look at the resulting precision. zeux.io/2026/04/30/q... Share, like and subscribe!

zeux.io

Quantizing tangent frames

I’ve been working on tangent space generation recently, and also pondering the tradeoffs between QTangent and normal-angle storage. So when, in a completely unrelated discussion, someone said “you cou...

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Arseny Kapoulkine @zeux.io · 02/04/2026

meshoptimizer 1.1 is out! github.com/zeux/meshopt... Featuring two new major features, meshlet topology compression and opacity micromaps, as well as a few smaller features and improvements! More information in the infographic and release above :) Boosts and repository stars are welcome!

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Arseny Kapoulkine @zeux.io · 30/03/2026

Testing per vertex priority flags for simplification

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Arseny Kapoulkine @zeux.io · 23/02/2026

If you’re in SF the week of GDC and would like to get coffee and chat about game technology, email me! I probably won’t be at GDC proper but will be around.

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Arseny Kapoulkine @zeux.io · 16/02/2026

Yesterday on stream we've sketched out most of the support code for descriptor heaps. If you want to see the rest of the owl, I've committed the remaining pieces after the stream. For now all of the previous descriptor code is still required to support production drivers. github.com/zeux/niagara...

github.com

Comparing f25b318a924a70ad98cb43bd6bbd5b1dd04c7780...8cf95feee3e7f37b2864795dbcbbf0acc375860c · zeux/niagara

A Vulkan renderer written from scratch on stream. Contribute to zeux/niagara development by creating an account on GitHub.

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Arseny Kapoulkine @zeux.io · 12/02/2026

Upcoming Niagara stream! This *Sunday* (Feb 15), at 11 AM PST (7 PM GMT), we will embark on a journey to replace all descriptor uses within the renderer with descriptor heaps. www.youtube.com/live/VXN4Gew...

youtube.com

niagara: Descriptor heaps

YouTube video by Arseny Kapoulkine

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Arseny Kapoulkine @zeux.io · 08/02/2026

and just in case you have a spare GPU

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Arseny Kapoulkine @zeux.io · 31/01/2026

Still some bits to sand off but getting closer.

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Arseny Kapoulkine @zeux.io · 06/01/2026

The fact that the entire industry is now wasting time working on, integrating, analyzing, reviewing, and commenting on frame generation is so sad. Surely there are actually productive things we all can be doing instead.

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Arseny Kapoulkine @zeux.io · 22/12/2025

One more thing! A few weeks ago I wrote a post that aggregates various articles I have written on meshoptimizer over the years: zeux.io/2025/12/09/m... If you’re looking for some reading to do over the break, consider revisiting these.

zeux.io

meshoptimizer 1.0 released

A short post today. If you’re following me on any of the vast array of social accounts then you’re probably aware, but if you’re reading this blog through the ancient technology otherwise known as RSS...

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Arseny Kapoulkine @zeux.io · 21/12/2025

Upcoming niagara stream! Tomorrow (Sunday, Dec 21) at 11 AM PST (7 PM GMT), we will work on reducing the startup time by "cooking" the geometry and, if that gets done quickly enough, optimizing texture loading. www.youtube.com/live/d04h0sZ...

youtube.com

niagara: Cooking geometry

YouTube video by Arseny Kapoulkine

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Arseny Kapoulkine @zeux.io · 18/12/2025

One fun feature that meshoptimizer got in the last two years that I forgot to mention in my v1 post is support for provoking vertex optimization for primitive ID rendering. Implementation is based on exploration by John Hable (thanks!) and is used by Wicked Engine meshoptimizer.org#visibility-b...

meshoptimizer.org

🐇 meshoptimizer

Mesh optimization library that makes meshes smaller and faster to render

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Arseny Kapoulkine @zeux.io · 11/12/2025

Half resolution is when you cut width and height in half, and get at best half of your rendering time back, since rarely if ever do things scale perfectly with pixel count.

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Arseny Kapoulkine @zeux.io · 08/12/2025

After nine years of development, meshoptimizer has reached its first major version, 1.0! This release focuses on improvements in clusterization and simplification as well as stabilization. Here's a release announcement with more details on past, present and future; please RT! meshoptimizer.org/v1

meshoptimizer.org

🐇 meshoptimizer v1.0

Mesh optimization library that makes meshes smaller and faster to render

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Arseny Kapoulkine @zeux.io · 07/11/2025

Do I know anyone in Poland who will be there next week and wants to get tea or whatever people drink there and chat? Schedule not too flexible but I might be in the right city at the right time :) DM me!

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Arseny Kapoulkine @zeux.io · 10/10/2025

Is anyone still using DirectXMesh library? If so, why?

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Arseny Kapoulkine @zeux.io · 30/09/2025

New blog post! In "Billions of triangles in minutes" we'll walk through hierarchical cluster level of detail generation of, well, billions of triangles in minutes. Reposts welcome! zeux.io/2025/09/30/b...

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Arseny Kapoulkine @zeux.io · 23/09/2025

Unlike Vulkan, DX12 doesn't support loading 8-bit types from byte address buffers; this seems like it would be a problem for working with 8-bit triangle indices, but don't worry, you can just

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Reposted by Arseny Kapoulkine

Ari Arnbjörnsson @flassari.bsky.social · 11/09/2025

Profile.

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Arseny Kapoulkine @zeux.io · 26/08/2025

Spent some time resurrecting niagara from 2018 to test some NV_mesh_shader stuff. This was fun! - The code almost compiles and runs... needed a couple SPIRV fixes to align with latest Vulkan SDK for some reason. - This was using meshoptimizer v0.9 (17 versions ago!) - Update to v0.25 needed a...

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Arseny Kapoulkine @zeux.io · 22/08/2025

Upcoming niagara stream! Tomorrow (Saturday, Aug 23) at 11 AM PST (6 PM GMT), we will talk about and work on simplifying Vulkan synchronization code, following recent developments in the ecosystem like unified layouts. youtube.com/live/0rqWe1M...

youtube.com

niagara: Simplifying synchronization

YouTube video by Arseny Kapoulkine

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Arseny Kapoulkine @zeux.io · 21/08/2025

While it's quite silly to literally run the simplifier every frame on the UI thread in the browser, it's fun to see that it can indeed work at 60 FPS!

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Reposted by Arseny Kapoulkine

Jason Schreier @jasonschreier.bsky.social · 21/08/2025

BREAKING: Silksong will be out on September 4. Two weeks from today. Really. Often, games that take 7+ years to make are plagued by mismanagement and painful burnout. But for Silksong? Team Cherry was having a blast. They still are. This is their story: www.bloomberg.com/news/newslet...

bloomberg.com

Why ‘Silksong’ Took Seven Years to Make

The highly anticipated indie game has been in production for so long that it’s become an internet meme

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Arseny Kapoulkine @zeux.io · 21/08/2025

@akien.bsky.social Any sense as to the timeline of 4.5 release? Did not expect 2 months of betas 😅

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Arseny Kapoulkine @zeux.io · 20/08/2025

now I can finally relax a little 😩

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Arseny Kapoulkine @zeux.io · 20/08/2025

meshoptimizer v0.25 is out! Featuring new simplification function that optimizes positions and attributes for appearance, experimental permissive mode to simplify faceted regions with selective seam preservation, regularization option for improved tessellation quality and deformation, multiple ...

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