[tests] perf: Optimize swizzle_sf, unswizzle_sf, reswizzle_sf (#5318) (1bab900)

## Commit Details for tests Directory Update

**Author:** Bo Li
**Date:** Thu Jun 26 14:03:56 2025 +0800
Please review these changes and decide if you need to make corresponding updates in your implementation.
[View original commit](https://github.com/NVIDIA/TensorRT-LLM/commit/1bab9000a6df9fd54d8c870626b429e1853e05a8)