There seems to be something in babylon 5 causing it to take very long to load and instanciate. Here are some test models which show the problem. Babylon.js Sandbox - View glTF, glb, obj and babylon files Viewer for glTF, glb, obj and babylon files powered by Babylon.js …

@Leon we have a workaround in place that should fix EVERYTHING (and you can keep using webgl2): Babylon.js Playground (babylonjs.com) Please tell me what are your numbers now

@bghgary could you have a quick look ?

I’m still working on it. Stay tuned.

We have the fix!!! Will send a PR sooooon

Here we are! Fix scene is ready by deltakosh · Pull Request #12214 · BabylonJS/Babylon.js (github.com)

Awesome! Thanks for looking at it so fast :rocket:

@Deltakosh I am still experiencing really slow load times in babylon 5.4 I have multiple colleagues and clients that are reporting it to since our upgrade to v5 For me the Three.js viewer loads the scene and draws the first frame in about 2 seconds But Babylon takes 8.5 seconds. Could you please…

Also @Leon is it still a regression from 4.2 ? mainly to help us dissect it

One aspect of the 3js viewer is that they render immediately where we are waiting for everything to be compiled to avoid pop out effects. Babylonj.js sandbox is ready to render pretty quickly but we wait for the shaders to be compiled, for the environment to be loaded and ready and so on… So it is …

Loading time performance regression?

Bugs

bghgary March 17, 2022, 8:19pm 4

I can repro. Will investigate.

Babylonjs takes longer to render the first frame on mobile compared to Threejs

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Loading time performance regression?

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