# \#gpu **URL:** https://forum.babylonjs.com/tag/gpu/222.md [Latest](https://forum.babylonjs.com/latest.md) · [Categories](https://forum.babylonjs.com/categories.md) · [Tags](https://forum.babylonjs.com/tags.md) --- ## [Mega Chunks - get started?](https://forum.babylonjs.com/t/mega-chunks-get-started/63513)
**Author:** [@c4cc](https://forum.babylonjs.com/u/c4cc)\ **Replies:** 12\ **Last updated:** [May 22, 2026, 9:42am UTC](https://forum.babylonjs.com/t/mega-chunks-get-started/63513 "2026-05-22T09:42:58Z")
Pardon my stupid question, but how do I get started for Mega Chunks? I tried to search high and low in the forums yet could not find any suitable answer. According to Google AI " The Ideal Compromise: Mega-Chunks If y… --- ## [GPU Accelerated Creation of HDRCubeTexture](https://forum.babylonjs.com/t/gpu-accelerated-creation-of-hdrcubetexture/53300)
**Author:** [@kzhsw](https://forum.babylonjs.com/u/kzhsw)\ **Replies:** 8\ **Last updated:** [April 24, 2026, 9:29am UTC](https://forum.babylonjs.com/t/gpu-accelerated-creation-of-hdrcubetexture/53300 "2026-04-24T09:29:12Z")
Playground: Babylon.js Playground Version: 7.24.0 Engine: WebGL2 1. Problem Loading panoramic cube textures is dominated by CPU work on the main thread. Empirical Chrome profiling on the playground above: Scenari… --- ## [GPU SphericalHarmonics Creation](https://forum.babylonjs.com/t/gpu-sphericalharmonics-creation/62341)
**Author:** [@kzhsw](https://forum.babylonjs.com/u/kzhsw)\ **Replies:** 9\ **Last updated:** [February 6, 2026, 4:00am UTC](https://forum.babylonjs.com/t/gpu-sphericalharmonics-creation/62341 "2026-02-06T04:00:49Z")
Precision: 4.xxe-6 Engine: WebGL2 only Playground: https://playground.babylonjs.com/#2FDQT5#3056 Performance: First run very slow, but faster after warmup. Use this to benchmark: https://playground.babylonjs.co… --- ## [Reducing VRAM usage for instances and thin instances](https://forum.babylonjs.com/t/reducing-vram-usage-for-instances-and-thin-instances/60039)
**Author:** [@kzhsw](https://forum.babylonjs.com/u/kzhsw)\ **Replies:** 4\ **Last updated:** [August 15, 2025, 12:34am UTC](https://forum.babylonjs.com/t/reducing-vram-usage-for-instances-and-thin-instances/60039 "2025-08-15T00:34:16Z")
Currently instances and thin instances use 4 vec4 buffers for instanced matrices. But as the matrices are composed from TRS, or multiplied with other matrices with TRS, the last row of it should always be 0, 0, 0, 1, an… --- ## [GPUParticleSystem "dead pixel" in middle of system](https://forum.babylonjs.com/t/gpuparticlesystem-dead-pixel-in-middle-of-system/56318)
**Author:** [@JankyMouse](https://forum.babylonjs.com/u/JankyMouse)\ **Replies:** 11\ **Last updated:** [January 31, 2025, 6:21pm UTC](https://forum.babylonjs.com/t/gpuparticlesystem-dead-pixel-in-middle-of-system/56318 "2025-01-31T18:21:27Z")
Hey there guys. I apologize if this has been asked before but I couldn’t find anything on it. When using “GPUParticleSystem”, there is a dead space directly in the middle of the particle system of maybe just a couple pi… --- ## [Particles Sorting issue](https://forum.babylonjs.com/t/particles-sorting-issue/55185)
**Author:** [@justbake](https://forum.babylonjs.com/u/justbake)\ **Replies:** 4\ **Last updated:** [January 9, 2025, 10:50pm UTC](https://forum.babylonjs.com/t/particles-sorting-issue/55185 "2025-01-09T22:50:11Z")
Hello, I am having an issue with particles always rendering behind a plane. The plane is being used as a background and it’s position is at like z -3000. I am spawning the particles from an emitter at z around -5ish and … --- ## [Parsing Json to Load Particles As GPU particles](https://forum.babylonjs.com/t/parsing-json-to-load-particles-as-gpu-particles/55022)
**Author:** [@justbake](https://forum.babylonjs.com/u/justbake)\ **Replies:** 3\ **Last updated:** [December 4, 2024, 9:26pm UTC](https://forum.babylonjs.com/t/parsing-json-to-load-particles-as-gpu-particles/55022 "2024-12-04T21:26:59Z")
I am working on loading paricles from a json file. I am using the BABYLON.ParticleSystem.Parse method and was wondering if there is a way to load it as a GPU particle. if not is there a way to change the json to make is … --- ## [Baked trs animation](https://forum.babylonjs.com/t/baked-trs-animation/42372)
**Author:** [@kzhsw](https://forum.babylonjs.com/u/kzhsw)\ **Replies:** 1\ **Last updated:** [July 13, 2023, 8:31am UTC](https://forum.babylonjs.com/t/baked-trs-animation/42372 "2023-07-13T08:31:51Z")
In docs there are Baked Texture Animations which is gpu-accelerated animation for meshes and thin instances, but it seems that only bone animations are supported. For TRS animations (translation, rotation, and scale), c… --- ## [GPU memory leak on iOS when using HDR textures?](https://forum.babylonjs.com/t/gpu-memory-leak-on-ios-when-using-hdr-textures/55069)
**Author:** [@Tricotou](https://forum.babylonjs.com/u/Tricotou)\ **Replies:** 3\ **Last updated:** [December 2, 2024, 6:42pm UTC](https://forum.babylonjs.com/t/gpu-memory-leak-on-ios-when-using-hdr-textures/55069 "2024-12-02T18:42:48Z")
Hello there :slight\_smile: Working on a project for a client, I struggled like hell with an issue with iOS devices. (I remember by the way I already saw @RaananW writting : “Apple…” here on the forum ^^) Here is the b… --- ## [GPU particles and targetStopDuration](https://forum.babylonjs.com/t/gpu-particles-and-targetstopduration/51739)
**Author:** [@pjoe](https://forum.babylonjs.com/u/pjoe)\ **Replies:** 35\ **Last updated:** [July 18, 2024, 6:31am UTC](https://forum.babylonjs.com/t/gpu-particles-and-targetstopduration/51739 "2024-07-18T06:31:56Z")
It looks like targetStopDuration isn’t working properly for GPU particles. After stop duration active particles keep “floating” around, instead of being disabled. There is also some possibly related issue with re-start… --- ## [Using AMD FSR with babylon.js](https://forum.babylonjs.com/t/using-amd-fsr-with-babylon-js/39326)
**Author:** [@kzhsw](https://forum.babylonjs.com/u/kzhsw)\ **Replies:** 6\ **Last updated:** [January 9, 2024, 10:07pm UTC](https://forum.babylonjs.com/t/using-amd-fsr-with-babylon-js/39326 "2024-01-09T22:07:30Z")
Update Aug.2026: It’s landed! Background: On making a page to work with some high-resolution screens, we found that the gpu memory is too easy to run out, the setHardwareScalingLevel can reduce the use of gpu memory… --- ## [PIX but for MacOS](https://forum.babylonjs.com/t/pix-but-for-macos/44590)
**Author:** [@arcman7](https://forum.babylonjs.com/u/arcman7)\ **Replies:** 13\ **Last updated:** [October 2, 2023, 1:00pm UTC](https://forum.babylonjs.com/t/pix-but-for-macos/44590 "2023-10-02T13:00:37Z")
I made some measurements using PIX on my windows machine to determine how long various read access methods take via compute shader. But I don’t know how to do so on a mac machine which equally important for me. Anyone e… --- ## [Development with the babylon.js library](https://forum.babylonjs.com/t/development-with-the-babylon-js-library/37844)
**Author:** [@Baktrian](https://forum.babylonjs.com/u/Baktrian)\ **Replies:** 2\ **Last updated:** [February 2, 2023, 1:23am UTC](https://forum.babylonjs.com/t/development-with-the-babylon-js-library/37844 "2023-02-02T01:23:30Z")
Is there a local development process I can follow for the main github project: I want to make changes to the src files and build my own babylonjs library with changes ive made to Engine, etc. Is there an out of the bo… --- ## [Optimizing textures on disabled meshes](https://forum.babylonjs.com/t/optimizing-textures-on-disabled-meshes/34389)
**Author:** [@Alex\_B](https://forum.babylonjs.com/u/Alex_B)\ **Replies:** 11\ **Last updated:** [October 4, 2022, 4:46pm UTC](https://forum.babylonjs.com/t/optimizing-textures-on-disabled-meshes/34389 "2022-10-04T16:46:57Z")
Hi all! We have an application that is loading in a collection of GLTF files and each GLTF contains about 50-100 parts. From there, we are swapping out those root-level GLTF models by setting the enabled flag to false. T…