[skill] fix test func for perf improvement skills & perf(sm80): tune cuTile kernels for A100 with README updated

[hannahli-nv]

Description

Update codes.

This PR contains 2 new commit(s).

Commits included:

566004b perf(sm80): tune cuTile kernels for A100 with README updated
3546515 [skill] fix test func for perf improvement skills

CI Configuration

config:
  build: true
  # valid options are "ops" and "benchmark"
  test: ["ops", "benchmark"]

Checklist

• Code formatted and imports sorted via repo specifications (./format.sh)
• Documentation updated (if needed)
• CI configuration reviewed

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[hannahli-nv]

/ok to test 566004b