BufferMetal::AllocNewVersionedBuffer takes longer than expected

Unity: Metal

Open

2023.3.X

Won't Fix

6.5.X

6.4.X

6.3.X

6.2.X

6.1.X

6.0.X

2022.3.X

2021.3.X

Unity 6000.2 has reached its end of life and will not receive further updates. If you need additional fixes, please upgrade to a newer Unity version.

Cancelling: the 6000.1 version has reached its end of life. If you need additional fixes, please upgrade to a newer Unity version.

Unity 2021.3 has reached its end of life and will not receive further updates. If you need additional fixes, please upgrade to a newer Unity version.

SkinnedMeshRenderer creates Metal buffers every frame, taking a considerable amount of frame time.

Issue reported by user in forum: https://forum.unity.com/threads/unity-creates-metal-buffers-used-inside-the-skinnedmeshrenderer-every-frame-on-ios.1463129/

Steps:
1. Open TestMetalBuffer in Unity
2. Make a MacOS / iOS build
3. Use XCode Instruments to profile

Expected: BufferMetal::AllocNewVersionedBuffer has little impact on performance
Actual: BufferMetal::AllocNewVersionedBuffer has big impact on performance

BufferMetal::AllocNewVersionedBuffer takes longer than expected

Unity: Metal

Open

Won't Fix

Prioritise and Follow this issue

Have a workaround or additional info about this issue?

BufferMetal::AllocNewVersionedBuffer takes longer than expected

Unity: Metal

Statuses

Open

Won't Fix

Resolution Notes

6.2.XWon't FixUnity 6000.2 has reached its end of life and will not receive further updates. If you need additional fixes, please upgrade to a newer Unity version.

6.1.XWon't FixCancelling: the 6000.1 version has reached its end of life. If you need additional fixes, please upgrade to a newer Unity version.

2021.3.XWon't FixUnity 2021.3 has reached its end of life and will not receive further updates. If you need additional fixes, please upgrade to a newer Unity version.

Description

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