tp: Benchmarks for DISTINCT

```
------------------------------------------------------------------------------------------------------
Benchmark                                      Time             CPU   Iterations      s/out      s/row
------------------------------------------------------------------------------------------------------
BM_QEDistinctWithSparseSelector             1364 ns         1364 ns       516985  454.757ns  45.4757ns
BM_QEDistinctWithDenseSelector           2867378 ns      2867333 ns          241  358.417us  7.73517ns
BM_QEDistinctSortedWithSparseSelector       1503 ns         1503 ns       459557  500.921ns  50.0921ns
BM_QEDistinctSortedWithDenseSelector     2974462 ns      2974104 ns          239  371.763us   8.0232ns
BM_QEDistinctWithArrangement             1722457 ns      1722337 ns          408  8.32047us  46.9532ns
BM_QEDistinctSortedWithArrangement       1720477 ns      1720249 ns          407  8.31038us  46.8963ns
```

Change-Id: I804d54955f3dbd39e678708e007ef899e347ea1e
1 file changed
tree: b6e32e3c236f49d701f6a92a7316bc0696c76ae6
  1. .github/
  2. bazel/
  3. build_overrides/
  4. buildtools/
  5. debian/
  6. docs/
  7. examples/
  8. gn/
  9. include/
  10. infra/
  11. protos/
  12. python/
  13. src/
  14. test/
  15. third_party/
  16. tools/
  17. ui/
  18. .clang-format
  19. .clang-tidy
  20. .git-blame-ignore-revs
  21. .gitattributes
  22. .gitignore
  23. .gn
  24. .style.yapf
  25. Android.bp
  26. Android.bp.extras
  27. BUILD
  28. BUILD.extras
  29. BUILD.gn
  30. CHANGELOG
  31. codereview.settings
  32. DIR_METADATA
  33. heapprofd.rc
  34. LICENSE
  35. meson.build
  36. METADATA
  37. MODULE_LICENSE_APACHE2
  38. OWNERS
  39. perfetto.rc
  40. PerfettoIntegrationTests.xml
  41. persistent_cfg.pbtxt
  42. PRESUBMIT.py
  43. README.chromium
  44. README.md
  45. TEST_MAPPING
  46. traced_perf.rc
  47. WATCHLISTS
  48. WORKSPACE
README.md

Perfetto - System profiling, app tracing and trace analysis

Perfetto is a production-grade open-source stack for performance instrumentation and trace analysis. It offers services and libraries and for recording system-level and app-level traces, native + java heap profiling, a library for analyzing traces using SQL and a web-based UI to visualize and explore multi-GB traces.

See https://perfetto.dev/docs or the /docs/ directory for documentation.