naoNao89:feature/o-direct-buffer-alignment - Branch - uutils/coreutils - CodSpeed

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dd: optimize O_DIRECT buffer alignment to reduce syscall overhead

Comparing

naoNao89:feature/o-direct-buffer-alignment

(

43a187e

) with

main

(

55549fa

)

0%

Untouched: 319

Ignored: 1

Skipped: 46

Benchmarks

366 total

cp_archive_balanced_tree[(5, 4, 10)]

src/uu/cp/benches/cp_bench.rs

-2%

1.3 MB1.3 MB

cp_preserve_metadata[(5, 4, 10)]

src/uu/cp/benches/cp_bench.rs

-2%

1.3 MB1.3 MB

cp_recursive_balanced_tree[(5, 4, 10)]

src/uu/cp/benches/cp_bench.rs

-2%

1.3 MB1.4 MB

du_summarize_balanced_tree[(5, 4, 10)]

src/uu/du/benches/du_bench.rs

-2%

6.7 ms6.8 ms

du_max_depth_balanced_tree[(6, 4, 10)]

src/uu/du/benches/du_bench.rs

-2%

25.5 ms26 ms

dd_copy_partial

src/uu/dd/benches/dd_bench.rs

+1%

320.2 µs315.5 µs

dd_copy_64k_blocks

src/uu/dd/benches/dd_bench.rs

-1%

367.8 µs370.8 µs

dd_copy_8k_blocks

src/uu/dd/benches/dd_bench.rs

+1%

784.9 µs778.8 µs

dd_copy_with_seek

src/uu/dd/benches/dd_bench.rs

+1%

2 ms2 ms

cp_recursive_wide_tree[(6000, 800)]

src/uu/cp/benches/cp_bench.rs

-1%

4.3 MB4.3 MB

complex_relative_date

src/uu/date/benches/date_bench.rs

-1%

135 µs136 µs

dd_copy_default

src/uu/dd/benches/dd_bench.rs

+1%

13.5 ms13.5 ms

dd_copy_with_skip

src/uu/dd/benches/dd_bench.rs

+1%

2 ms2 ms

du_wide_tree[(5000, 500)]

src/uu/du/benches/du_bench.rs

0%

9.3 ms9.4 ms

dd_copy_1m_blocks

src/uu/dd/benches/dd_bench.rs

0%

1.2 ms1.2 ms

single_date_now

src/uu/date/benches/date_bench.rs

0%

85.7 µs85.4 µs

file_tz_abbreviations

src/uu/date/benches/date_bench.rs

0%

14.3 ms14.4 ms

du_all_wide_tree[(5000, 500)]

src/uu/du/benches/du_bench.rs

0%

16.1 ms16.2 ms

du_summarize_balanced_tree[(5, 4, 10)]

src/uu/du/benches/du_bench.rs

0%

469.6 KB468.1 KB

sort_long_line[10000]

src/uu/sort/benches/sort_bench.rs

0%

423.2 µs424.4 µs

dd_copy_4k_blocks

src/uu/dd/benches/dd_bench.rs

0%

1.1 ms1.1 ms

socket_addrs_direct[100000]

src/uu/hostname/benches/hostname_bench.rs

0%

54.7 µs54.5 µs

echo_consecutive_calls

src/uu/echo/benches/echo_bench.rs

0%

121.6 µs121.9 µs

sort_numeric[500000]

src/uu/sort/benches/sort_bench.rs

0%

989.4 ms987.3 ms

cksum_crc

src/uu/cksum/benches/cksum_bench.rs

0%

16.6 ms16.5 ms

Commits

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Base

main

55549fa

-0.03%

fix(dd): align direct I/O buffers

43a187e

1 month ago

by naoNao89

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