# Impedance: Tools to mix blocking and async code
## `cargo +nightly bench`:
```
$ cargo +nightly bench
Finished bench [optimized] target(s) in 0.62s
Running target/release/deps/impedance-6efcafb7e2533f63
running 2 tests
test tests::it_works ... ignored
test tests::it_works_panic ... ignored
test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
Running target/release/deps/spawn-f5f0f45a25148c29
running 4 tests
test no_adaptive_fast ... bench: 2,936 ns/iter (+/- 222)
test no_adaptive_slow ... bench: 112,729,812 ns/iter (+/- 5,704,146)
test with_adaptive_fast ... bench: 4,605 ns/iter (+/- 1,575)
test with_adaptive_slow ... bench: 11,895,813 ns/iter (+/- 1,509,361)
test result: ok. 0 passed; 0 failed; 0 ignored; 4 measured; 0 filtered out; finished in 45.16s
```