[Bug]: Improve Performance of SELECT in GIST 960

[arjunsk]

Is there an existing issue for the same bug?

• [X] I have checked the existing issues.

Branch Name

main

Commit ID

6003d8346f0fed6e1fbd0563bc7bc2b1d2287741

Other Environment Information

- Hardware parameters:
- OS type:
- Others:

Actual Behavior

SELECT QPS is 3. Need to improve it to at least 20

Expected Behavior

No response

Steps to Reproduce

1. Run GIST QPS program

Additional information

No response