**System Information**
Operating system: Windows-10-10.0.19044-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 3060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 526.47
**Blender Version**
Broken: version: 3.4.0 Beta, branch: blender-v3.4-release, commit date: 2022-11-28 21:07, hash: `rB48143ab00156`
Worked: Don't know.
**Short description of error**
Subdividing with Multires is slow on specific meshes.
{F13978905}
Subdividing once takes 12 seconds and another subdivision takes over 30 seconds. That isn't normal, is it?
Using Multires on a UV Sphere doesn't result in such a long processing time.
**Exact steps for others to reproduce the error**
1. Download example file
{F13978895}
2. Add Multires on the head object and start subdividing.