oech3:dd-bufreader - Branch - uutils/coreutils

dd: avoid 0-filling buf at read_and_discard

#11583

Comparing

oech3:dd-bufreader

(

4c21774

) with

main

(

1e81775

)

-5%

Regression: 1

Untouched: 303

Skipped: 46

Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments, which may affect the accuracy of the results. Learn more about regression causes.

Benchmarks

350 total

cp_large_file[16]

src/uu/cp/benches/cp_bench.rs

-5%

263.6 µs278.6 µs

dd_copy_partial

src/uu/dd/benches/dd_bench.rs

+1%

319.6 µs316.8 µs

du_wide_tree[(5000, 500)]

src/uu/du/benches/du_bench.rs

+1%

9.4 ms9.3 ms

du_all_wide_tree[(5000, 500)]

src/uu/du/benches/du_bench.rs

16.5 ms16.4 ms

dd_copy_64k_blocks

src/uu/dd/benches/dd_bench.rs

365.7 µs364.6 µs

dd_copy_8k_blocks

src/uu/dd/benches/dd_bench.rs

776.1 µs774.1 µs

factor_multiple_u64s[2]

src/uu/factor/benches/factor_bench.rs

33 ms33 ms

b64_encode_synthetic

src/uu/base64/benches/base64_bench.rs

58.9 µs58.9 µs

du_deep_tree[(100, 3)]

src/uu/du/benches/du_bench.rs

1.1 ms1.1 ms

cp_recursive_balanced_tree[(5, 4, 10)]

src/uu/cp/benches/cp_bench.rs

71.4 ms71.3 ms

b64_decode_ignore_garbage_synthetic

src/uu/base64/benches/base64_bench.rs

63.2 µs63.1 µs

sort_german_c_locale

src/uu/sort/benches/sort_locale_c_bench.rs

36.2 ms36.2 ms

wc_bytes_synthetic[500]

src/uu/wc/benches/wc_bench.rs

86.4 µs86.3 µs

wc_bytes_synthetic[1]

src/uu/wc/benches/wc_bench.rs

86.1 µs86.1 µs

hostname_ip_lookup[100000]

src/uu/hostname/benches/hostname_bench.rs

117.8 µs117.7 µs

sort_mixed_c_locale

src/uu/sort/benches/sort_locale_c_bench.rs

35.7 ms35.6 ms

hostname_basic

src/uu/hostname/benches/hostname_bench.rs

159.6 µs159.5 µs

cp_archive_balanced_tree[(5, 4, 10)]

src/uu/cp/benches/cp_bench.rs

76.6 ms76.6 ms

cp_preserve_metadata[(5, 4, 10)]

src/uu/cp/benches/cp_bench.rs

73.6 ms73.6 ms

mv_multiple_to_dir

src/uu/mv/benches/mv_bench.rs

12.3 ms12.3 ms

sort_numeric[500000]

src/uu/sort/benches/sort_bench.rs

1 s1 s

rm_single_file

src/uu/rm/benches/rm_bench.rs

46.6 ms46.6 ms

shuf_lines[100000]

src/uu/shuf/benches/shuf_bench.rs

27.4 ms27.4 ms

split_bytes

src/uu/split/benches/split_bench.rs

417.1 µs417.1 µs

mv_single_file

src/uu/mv/benches/mv_bench.rs

63.2 ms63.2 ms

Commits

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Base

main

1e81775

-5.39%

dd: avoid 0-filling buf at read_and_discard

4c21774

4 hours ago

by oech3

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