du: malloc perf +3~6%

[oech3]

different with #11017

[codspeed-hq]

Merging this PR will improve performance by 5.84%

⚡ 4 improved benchmarks
✅ 284 untouched benchmarks
⏩ 40 skipped benchmarks¹

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
⚡	Simulation	du_max_depth_balanced_tree[(6, 4, 10)]	27 ms	25.9 ms	+4.18%
⚡	Simulation	du_deep_tree[(100, 3)]	1.2 ms	1.2 ms	+3.76%
⚡	Simulation	du_summarize_balanced_tree[(5, 4, 10)]	7 ms	6.7 ms	+4.27%
⚡	Simulation	du_wide_tree[(5000, 500)]	9.8 ms	9.3 ms	+5.84%

---

_{Comparing oech3:sort-0fill (d243986) with main (de5c827)}

Footnotes

1. 40 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[github-actions]

GNU testsuite comparison:

GNU test failed: tests/date/date-locale-hour. tests/date/date-locale-hour is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/date/resolution. tests/date/resolution is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/sort/sort-compress. tests/sort/sort-compress is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/sort/sort-compress-hang. tests/sort/sort-compress-hang is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/sort/sort-compress-proc. tests/sort/sort-compress-proc is passing on 'main'. Maybe you have to rebase?
Skip an intermittent issue tests/pr/bounded-memory (fails in this run but passes in the 'main' branch)
Skipping an intermittent issue tests/tail/inotify-dir-recreate (passes in this run but fails in the 'main' branch)

[oech3]

Oh no...

[github-actions]

GNU testsuite comparison:

GNU test failed: tests/date/date-locale-hour. tests/date/date-locale-hour is passing on 'main'. Maybe you have to rebase?

[github-actions]

GNU testsuite comparison:

GNU test failed: tests/date/date-locale-hour. tests/date/date-locale-hour is passing on 'main'. Maybe you have to rebase?
Skipping an intermittent issue tests/tail/inotify-dir-recreate (passes in this run but fails in the 'main' branch)

[github-actions]

GNU testsuite comparison:

Skip an intermittent issue tests/tty/tty-eof (fails in this run but passes in the 'main' branch)
Congrats! The gnu test tests/date/date-locale-hour is no longer failing!
Note: The gnu test tests/pr/bounded-memory is now being skipped but was previously passing.

[cakebaker]

Thanks!

[oech3]

still slower than gnu

Summary
  gnu9.10/du ran
    1.80 ± 0.30 times faster than du