update benchmark

[LongxingTan]

Description

This PR ...

Checklist

• Linked issues (if existing)
• Amended changelog.md for large changes (and added myself there as contributor)
• Added/modified tests
• Used pre-commit hooks when committing to ensure that code is compliant with hooks. Install hooks with pre-commit install.
  To run hooks independent of commit, execute pre-commit run --all-files

Thank you for joining. Have fun coding!

[codecov]

Codecov Report

❌ Patch coverage is 79.49743% with 359 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.68%. Comparing base (1d1324b) to head (413de7b).

Files with missing lines	Patch %	Lines
benchmark/datasets/legacy_examples.py	28.14%	97 Missing ⚠️
tfts/cli/forecasting.py	19.16%	97 Missing ⚠️
benchmark/datasets/grocery_sales.py	41.37%	34 Missing ⚠️
benchmark/datasets/recruit_restaurant.py	42.85%	32 Missing ⚠️
benchmark/datasets/synthetic.py	64.70%	12 Missing ⚠️
tfts/models/base.py	56.00%	11 Missing ⚠️
examples/run_prediction_simple.py	62.96%	10 Missing ⚠️
tfts/training/runtime.py	74.35%	10 Missing ⚠️
tfts/cli/__init__.py	47.05%	9 Missing ⚠️
tfts/trainer.py	93.60%	8 Missing ⚠️
... and 15 more

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #78      +/-   ##
==========================================
- Coverage   83.32%   82.68%   -0.65%     
==========================================
  Files          55       82      +27     
  Lines        4899     6485    +1586     
==========================================
+ Hits         4082     5362    +1280     
- Misses        817     1123     +306     

Flag	Coverage Δ
cpu	82.68% <79.49%> (-0.65%)	⬇️
unittest	82.68% <79.49%> (-0.65%)	⬇️

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