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feat(codspeed): collect Rust toolchain environment at build time
#171
Comparing
cod-2415-implement-toolchain-harvesting-for-rust
(
1e71589
) with
main
(
dccf5f4
)
CodSpeed Performance Gauge
-88%
Improvement
24
Regression
15
Untouched
536
Ignored
28
Benchmarks
Mode
CPU Simulation
Wall Time
Memory
Status
Regression
Improvement
Untouched
Ignored
603 total
Uses the
Wall Time instrument
to collect wall time performance metrics.
recursive_memoized[BTreeMap<u64, u64>, 0]
crates/divan_compat/examples/benches/math.rs::fibonacci
CodSpeed Performance Gauge
-88%
14 ns
119 ns
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
bench_array2[1]
crates/divan_compat/benches/basic_example.rs::const_bench
CodSpeed Performance Gauge
-24%
90 ns
119.2 ns
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
bench_array1[1]
crates/divan_compat/benches/basic_example.rs::const_bench
CodSpeed Performance Gauge
-24%
90 ns
119.2 ns
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
mul
crates/divan_compat/examples/benches/math.rs
CodSpeed Performance Gauge
-24%
91.4 ns
120.6 ns
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
add
crates/divan_compat/examples/benches/math.rs
CodSpeed Performance Gauge
-24%
91.4 ns
120.6 ns
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
count_set_bits[1024]
crates/divan_compat/examples/benches/the_algorithms.rs::bit_manipulation
CodSpeed Performance Gauge
-24%
91.7 ns
120.8 ns
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
count_set_bits[42]
crates/divan_compat/examples/benches/the_algorithms.rs::bit_manipulation
CodSpeed Performance Gauge
-24%
93.9 ns
123.1 ns
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
count_set_bits[255]
crates/divan_compat/examples/benches/the_algorithms.rs::bit_manipulation
CodSpeed Performance Gauge
-23%
99.4 ns
128.6 ns
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
count_set_bits[65535]
crates/divan_compat/examples/benches/the_algorithms.rs::bit_manipulation
CodSpeed Performance Gauge
-21%
108.3 ns
137.5 ns
Uses the
Wall Time instrument
to collect wall time performance metrics.
bench_array1[10]
crates/divan_compat/benches/basic_example.rs::const_bench
CodSpeed Performance Gauge
-18%
9 ns
11 ns
Uses the
Wall Time instrument
to collect wall time performance metrics.
iter_batched_ref_large_input
crates/criterion_compat/benches/criterion_integration/measurement_overhead.rs::benches::some_benchmark::overhead
CodSpeed Performance Gauge
-8%
44 ns
48 ns
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
string_copy_with_bytes_counter
crates/divan_compat/examples/benches/counters.rs::bytes_counter_examples
CodSpeed Performance Gauge
-4%
797.2 ns
826.4 ns
Uses the
Wall Time instrument
to collect wall time performance metrics.
string_copy_with_bytes_counter
crates/divan_compat/examples/benches/counters.rs::bytes_counter_examples
CodSpeed Performance Gauge
-3%
56 ns
58 ns
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
process_items_with_counter
crates/divan_compat/examples/benches/counters.rs::items_counter_examples
CodSpeed Performance Gauge
-3%
835.8 ns
865 ns
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
fibo_recursive
crates/codspeed/benches/native.rs
CodSpeed Performance Gauge
-3%
916.9 ns
946.1 ns
Uses the
Wall Time instrument
to collect wall time performance metrics.
bench_array2[10]
crates/divan_compat/benches/basic_example.rs::const_bench
CodSpeed Performance Gauge
×3.2
29 ns
9 ns
Uses the
Wall Time instrument
to collect wall time performance metrics.
fibo_10
crates/divan_compat/benches/basic_example.rs
CodSpeed Performance Gauge
×2
2 ns
1 ns
Uses the
Wall Time instrument
to collect wall time performance metrics.
slice_into_vec_with_bytes
crates/divan_compat/examples/benches/counters.rs::bytes_counter_examples
CodSpeed Performance Gauge
+68%
94 ns
56 ns
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
div
crates/divan_compat/examples/benches/math.rs
CodSpeed Performance Gauge
+31%
124.2 ns
95 ns
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
rem
crates/divan_compat/examples/benches/math.rs
CodSpeed Performance Gauge
+31%
124.4 ns
95.3 ns
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
Iterative
crates/criterion_compat/benches/criterion_integration/compare_functions.rs::fibonaccis::compare_fibonaccis::Fibonacci
CodSpeed Performance Gauge
+22%
161.9 ns
132.8 ns
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
Iterative[20]
crates/criterion_compat/benches/criterion_integration/compare_functions.rs::fibonaccis::compare_fibonaccis_group::Fibonacci3
CodSpeed Performance Gauge
+22%
161.9 ns
132.8 ns
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
Iterative[21]
crates/criterion_compat/benches/criterion_integration/compare_functions.rs::fibonaccis::compare_fibonaccis_group::Fibonacci3
CodSpeed Performance Gauge
+22%
163.6 ns
134.4 ns
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
a
crates/bencher_compat/benches/bencher_example.rs
CodSpeed Performance Gauge
+10%
310.6 ns
281.4 ns
Uses the
Wall Time instrument
to collect wall time performance metrics.
iter_batched_large_input
crates/criterion_compat/benches/criterion_integration/measurement_overhead.rs::benches::some_benchmark::overhead
CodSpeed Performance Gauge
+10%
44 ns
40 ns
1
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4
5
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25
Commits
Click on a commit to change the comparison range
Base
main
dccf5f4
-88.24%
feat(codspeed): collect Rust toolchain environment at build time
1e71589
3 days ago
by GuillaumeLagrange
© 2026 CodSpeed Technology
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