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unexpand: reuse a smaller buf, perf 14%+
#11178
Merged
Comparing
oech3:unexpand-buf
(
9d3fc99
) with
main
(
d24bf80
)
CodSpeed Performance Gauge
+14%
Improvement
2
Untouched
300
Skipped
42
Benchmarks
Mode
CPU Simulation
Wall Time
Memory
Status
Improvement
Untouched
Skipped
344 total
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
unexpand_large_file[10]
src/uu/unexpand/benches/unexpand_bench.rs
CodSpeed Performance Gauge
+14%
328.6 ms
287.1 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
unexpand_many_lines[100000]
src/uu/unexpand/benches/unexpand_bench.rs
CodSpeed Performance Gauge
+14%
156.8 ms
137 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
dd_copy_64k_blocks
src/uu/dd/benches/dd_bench.rs
CodSpeed Performance Gauge
+1%
600.9 µs
594.9 µs
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
+1%
6.8 ms
6.8 ms
Uses the
Memory instrument
to collect Memory usage metrics.
du_max_depth_balanced_tree[(6, 4, 10)]
src/uu/du/benches/du_bench.rs
CodSpeed Performance Gauge
+1%
1.6 MB
1.6 MB
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
cksum_crc32b
src/uu/cksum/benches/cksum_bench.rs
CodSpeed Performance Gauge
+1%
13.3 ms
13.2 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
+1%
1.2 ms
1.2 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
sort_reverse_locale[500000]
src/uu/sort/benches/sort_bench.rs
CodSpeed Performance Gauge
+1%
333.7 ms
332.1 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
dd_copy_default
src/uu/dd/benches/dd_bench.rs
CodSpeed Performance Gauge
0%
14.1 ms
14 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
dd_copy_partial
src/uu/dd/benches/dd_bench.rs
CodSpeed Performance Gauge
0%
551.8 µs
550.5 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
sort_long_line[10000]
src/uu/sort/benches/sort_bench.rs
CodSpeed Performance Gauge
0%
515 µs
513.9 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
sort_key_field[500000]
src/uu/sort/benches/sort_bench.rs
CodSpeed Performance Gauge
0%
775.4 ms
774.1 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
cp_preserve_metadata[(5, 4, 10)]
src/uu/cp/benches/cp_bench.rs
CodSpeed Performance Gauge
0%
74.3 ms
74.2 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
du_all_wide_tree[(5000, 500)]
src/uu/du/benches/du_bench.rs
CodSpeed Performance Gauge
0%
16.4 ms
16.4 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
true_consecutive_calls
src/uu/true/benches/true_bench.rs
CodSpeed Performance Gauge
0%
28.3 µs
28.3 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
b64_encode_synthetic
src/uu/base64/benches/base64_bench.rs
CodSpeed Performance Gauge
0%
169.3 µs
169.2 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
cksum_sysv
src/uu/cksum/benches/cksum_bench.rs
CodSpeed Performance Gauge
0%
48.2 ms
48.1 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
split_bytes
src/uu/split/benches/split_bench.rs
CodSpeed Performance Gauge
0%
512.6 µs
512.3 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%
28.3 ms
28.3 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
hostname_ip_lookup[100000]
src/uu/hostname/benches/hostname_bench.rs
CodSpeed Performance Gauge
0%
201.5 µs
201.4 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
sort_mixed_utf8_locale
src/uu/sort/benches/sort_locale_utf8_bench.rs
CodSpeed Performance Gauge
0%
36.1 ms
36.1 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
ls_recursive_deep_tree[(200, 2)]
src/uu/ls/benches/ls_bench.rs
CodSpeed Performance Gauge
0%
1.9 ms
1.9 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
sort_unique_utf8_locale
src/uu/sort/benches/sort_locale_utf8_bench.rs
CodSpeed Performance Gauge
0%
36.2 ms
36.2 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%
52 ms
52 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
socket_addrs_direct[100000]
src/uu/hostname/benches/hostname_bench.rs
CodSpeed Performance Gauge
0%
55.2 µs
55.2 µs
1
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4
5
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14
Commits
Click on a commit to change the comparison range
Base
main
d24bf80
+14.46%
unexpand: reuse a smaller buf, perf 6%+
9d3fc99
22 days ago
by oech3
© 2026 CodSpeed Technology
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