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no in-place mutation for `str` and `bytes`
#231
Merged
Comparing
dh/immutable-str
(
71bc46f
) with
main
(
fe9f22a
)
CodSpeed Performance Gauge
-16%
Regression
1
Untouched
12
Benchmarks
Mode
CPU Simulation
Wall Time
Memory
Status
Regression
Untouched
13 total
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
loop_mod_13__monty
crates/monty/benches/main.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-16%
270.8 µs
322.8 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
list_comp__monty
crates/monty/benches/main.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+4%
319.2 µs
307.3 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
func_call_kwargs__monty
crates/monty/benches/main.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+3%
20.6 µs
20 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
add_two__monty
crates/monty/benches/main.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+2%
8.7 µs
8.6 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
list_append__monty
crates/monty/benches/main.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+1%
13.8 µs
13.6 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
kitchen_sink__monty
crates/monty/benches/main.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
+1%
63.8 µs
63.3 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
fib__monty
crates/monty/benches/main.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
158.1 ms
157.9 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
pair_tuples__monty
crates/monty/benches/main.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
89.8 ms
89.7 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
empty_tuples__monty
crates/monty/benches/main.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
28.2 ms
28.2 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
list_append_int__monty
crates/monty/benches/main.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
0%
53.4 ms
53.4 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
dict_comp__monty
crates/monty/benches/main.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-1%
623.3 µs
631.9 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
end_to_end__monty
crates/monty/benches/main.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-2%
39.2 µs
39.8 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
list_append_str__monty
crates/monty/benches/main.rs::benches::criterion_benchmark
CodSpeed Performance Gauge
-5%
112.5 ms
118.6 ms
Commits
Click on a commit to change the comparison range
Base
main
fe9f22a
-16.12%
no in-place mutation for `str` and `bytes`
71bc46f
2 days ago
by davidhewitt
© 2026 CodSpeed Technology
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