[Bug]: ivf search with Normalize_L2 performance is bad

[XuPeng-SH]

Is there an existing issue for the same bug?

• I have checked the existing issues.

Branch Name

main,3.0-dev

Commit ID

latest

Other Environment Information

- Hardware parameters:
- OS type:
- Others:

Actual Behavior

Expected Behavior

No response

Steps to Reproduce

https://github.com/matrixorigin/mo-nightly-regression/actions/runs/18719897867/job/53438564224

Additional information

No response