dragutreis:fix/tail-is-file-exhausted - Branch - uutils/coreutils - CodSpeed

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tail: avoid unnecessary pipe2 syscall for empty files

Comparing

dragutreis:fix/tail-is-file-exhausted

(

f6bd15d

) with

main

(

223fcae

)

0%

Untouched: 319

Ignored: 1

Skipped: 46

Benchmarks

366 total

dd_copy_64k_blocks

src/uu/dd/benches/dd_bench.rs

0%

366.9 µs365.2 µs

socket_addrs_direct[100000]

src/uu/hostname/benches/hostname_bench.rs

0%

54.7 µs54.5 µs

dd_copy_with_skip

src/uu/dd/benches/dd_bench.rs

0%

2 ms2 ms

cksum_crc

src/uu/cksum/benches/cksum_bench.rs

0%

16.6 ms16.5 ms

single_date_now

src/uu/date/benches/date_bench.rs

0%

85.9 µs85.8 µs

du_wide_tree[(5000, 500)]

src/uu/du/benches/du_bench.rs

0%

9.3 ms9.3 ms

complex_relative_date

src/uu/date/benches/date_bench.rs

0%

135.5 µs135.4 µs

dd_copy_1m_blocks

src/uu/dd/benches/dd_bench.rs

0%

1.2 ms1.2 ms

b64_decode_synthetic

src/uu/base64/benches/base64_bench.rs

0%

63.4 µs63.3 µs

b64_decode_ignore_garbage_synthetic

src/uu/base64/benches/base64_bench.rs

0%

63.1 µs63.1 µs

cksum_sysv

src/uu/cksum/benches/cksum_bench.rs

0%

48.1 ms48 ms

hostname_ip_lookup[100000]

src/uu/hostname/benches/hostname_bench.rs

0%

108.9 µs108.8 µs

cksum_blake3

src/uu/cksum/benches/cksum_bench.rs

0%

93.2 ms93.2 ms

dd_copy_with_seek

src/uu/dd/benches/dd_bench.rs

0%

2 ms2 ms

cp_recursive_wide_tree[(6000, 800)]

src/uu/cp/benches/cp_bench.rs

0%

185.6 ms185.5 ms

hostname_basic

src/uu/hostname/benches/hostname_bench.rs

0%

151.5 µs151.4 µs

cksum_bsd

src/uu/cksum/benches/cksum_bench.rs

0%

128.2 ms128.2 ms

shuf_lines[100000]

src/uu/shuf/benches/shuf_bench.rs

0%

27.4 ms27.4 ms

split_bytes

src/uu/split/benches/split_bench.rs

0%

390.1 µs390 µs

fold_many_lines[100000]

src/uu/fold/benches/fold_bench.rs

0%

57.3 ms57.3 ms

sort_german_de_locale

src/uu/sort/benches/sort_locale_de_bench.rs

0%

132 ms131.9 ms

b64_encode_synthetic

src/uu/base64/benches/base64_bench.rs

0%

59.1 µs59 µs

cut_fields_newline_delim

src/uu/cut/benches/cut_bench.rs

0%

185.7 µs185.7 µs

sort_unique_locale[500000]

src/uu/sort/benches/sort_bench.rs

0%

465 ms464.9 ms

join_unicode_locale

src/uu/join/benches/join_bench.rs

0%

1.2 ms1.2 ms

Commits

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Base

main

223fcae

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tail: avoid unnecessary pipe2 syscall for empty files

f6bd15d

3 days ago

by dragutreis

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