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tee: add splice() and tee() zero-copy fast-path
#11943
Comparing
oech3:tee-splice-m
(
d36fcc3
) with
main
(
2e04477
)
CodSpeed Performance Gauge
×23
Improvement
2
Untouched
311
Ignored
1
Skipped
46
Benchmarks
Mode
CPU Simulation
Wall Time
Memory
Status
Improvement
Untouched
Ignored
Skipped
360 total
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
tee_stdin_file[10000000]
src/uu/tee/benches/tee_bench.rs
CodSpeed Performance Gauge
×23
3,970.9 µs
*
169.2 µs
Uses the
Memory instrument
to collect Memory usage metrics.
tee_stdin_file[10000000]
src/uu/tee/benches/tee_bench.rs
CodSpeed Performance Gauge
+45%
102.8 KB
*
70.8 KB
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
timeout_quick_exit
src/uu/timeout/benches/timeout_bench.rs
CodSpeed Performance Gauge
+1%
198.8 µs
197.1 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
dd_copy_4k_blocks
src/uu/dd/benches/dd_bench.rs
CodSpeed Performance Gauge
0%
1.1 ms
1.1 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
dd_copy_1m_blocks
src/uu/dd/benches/dd_bench.rs
CodSpeed Performance Gauge
0%
1.2 ms
1.2 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
du_max_depth_balanced_tree[(6, 4, 10)]
src/uu/du/benches/du_bench.rs
CodSpeed Performance Gauge
0%
25.6 ms
*
25.6 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
du_deep_tree[(100, 3)]
src/uu/du/benches/du_bench.rs
CodSpeed Performance Gauge
0%
1.1 ms
*
1.1 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
factor_multiple_u64s[2]
src/uu/factor/benches/factor_bench.rs
CodSpeed Performance Gauge
0%
33.2 ms
*
33.1 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
dd_copy_with_skip
src/uu/dd/benches/dd_bench.rs
CodSpeed Performance Gauge
0%
2 ms
2 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
b64_encode_synthetic
src/uu/base64/benches/base64_bench.rs
CodSpeed Performance Gauge
0%
59.1 µs
*
59 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
cksum_sysv
src/uu/cksum/benches/cksum_bench.rs
CodSpeed Performance Gauge
0%
48.1 ms
*
48.1 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
du_summarize_balanced_tree[(5, 4, 10)]
src/uu/du/benches/du_bench.rs
CodSpeed Performance Gauge
0%
6.7 ms
*
6.7 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
cp_recursive_balanced_tree[(5, 4, 10)]
src/uu/cp/benches/cp_bench.rs
CodSpeed Performance Gauge
0%
71.2 ms
*
71.2 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
hostname_basic
src/uu/hostname/benches/hostname_bench.rs
CodSpeed Performance Gauge
0%
151.3 µs
*
151.2 µs
Uses the
Memory instrument
to collect Memory usage metrics.
socket_addrs_direct[100000]
src/uu/hostname/benches/hostname_bench.rs
CodSpeed Performance Gauge
0%
8.7 KB
8.6 KB
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
sort_german_c_locale
src/uu/sort/benches/sort_locale_c_bench.rs
CodSpeed Performance Gauge
0%
36.2 ms
*
36.2 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
b64_decode_synthetic
src/uu/base64/benches/base64_bench.rs
CodSpeed Performance Gauge
0%
63.4 µs
*
63.4 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
shuf_lines[100000]
src/uu/shuf/benches/shuf_bench.rs
CodSpeed Performance Gauge
0%
27.4 ms
27.4 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
fold_many_lines[100000]
src/uu/fold/benches/fold_bench.rs
CodSpeed Performance Gauge
0%
57.3 ms
*
57.3 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
mv_single_file
src/uu/mv/benches/mv_bench.rs
CodSpeed Performance Gauge
0%
62.6 ms
*
62.6 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
rm_single_file
src/uu/rm/benches/rm_bench.rs
CodSpeed Performance Gauge
0%
46.6 ms
*
46.6 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
cksum_md5
src/uu/cksum/benches/cksum_bench.rs
CodSpeed Performance Gauge
0%
320.9 ms
*
320.9 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
split_numeric_suffix
src/uu/split/benches/split_bench.rs
CodSpeed Performance Gauge
0%
5.8 ms
*
5.8 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
sort_numeric_utf8_locale
src/uu/sort/benches/sort_locale_utf8_bench.rs
CodSpeed Performance Gauge
0%
20.2 ms
*
20.2 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
ls_recursive_balanced_tree[(6, 4, 15)]
src/uu/ls/benches/ls_bench.rs
CodSpeed Performance Gauge
0%
50.9 ms
*
50.9 ms
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Commits
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Base
main
2e04477
×23
tee: add splice() and tee() zero-copy fast-path
d36fcc3
17 days ago
by oech3
© 2026 CodSpeed Technology
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