nushell/benches/benchmarks.rs

175 lines
6.1 KiB
Rust

use criterion::{criterion_group, criterion_main, BatchSize, Criterion};
use nu_cli::eval_source;
use nu_parser::parse;
use nu_plugin::{EncodingType, PluginResponse};
use nu_protocol::{engine::EngineState, PipelineData, Span, Value};
use nu_utils::{get_default_config, get_default_env};
fn load_bench_commands() -> EngineState {
nu_command::add_shell_command_context(nu_cmd_lang::create_default_context())
}
// FIXME: All benchmarks live in this 1 file to speed up build times when benchmarking.
// When the *_benchmarks functions were in different files, `cargo bench` would build
// an executable for every single one - incredibly slowly. Would be nice to figure out
// a way to split things up again.
fn parser_benchmarks(c: &mut Criterion) {
let mut engine_state = load_bench_commands();
// parsing config.nu breaks without PWD set
engine_state.add_env_var(
"PWD".into(),
Value::string("/some/dir".to_string(), Span::test_data()),
);
let default_env = get_default_env().as_bytes();
c.bench_function("parse_default_env_file", |b| {
b.iter_batched(
|| nu_protocol::engine::StateWorkingSet::new(&engine_state),
|mut working_set| parse(&mut working_set, None, default_env, false),
BatchSize::SmallInput,
)
});
let default_config = get_default_config().as_bytes();
c.bench_function("parse_default_config_file", |b| {
b.iter_batched(
|| nu_protocol::engine::StateWorkingSet::new(&engine_state),
|mut working_set| parse(&mut working_set, None, default_config, false),
BatchSize::SmallInput,
)
});
c.bench_function("eval default_env.nu", |b| {
b.iter(|| {
let mut engine_state = load_bench_commands();
let mut stack = nu_protocol::engine::Stack::new();
eval_source(
&mut engine_state,
&mut stack,
get_default_env().as_bytes(),
"default_env.nu",
PipelineData::empty(),
false,
)
})
});
c.bench_function("eval default_config.nu", |b| {
b.iter(|| {
let mut engine_state = load_bench_commands();
// parsing config.nu breaks without PWD set
engine_state.add_env_var(
"PWD".into(),
Value::string("/some/dir".to_string(), Span::test_data()),
);
let mut stack = nu_protocol::engine::Stack::new();
eval_source(
&mut engine_state,
&mut stack,
get_default_config().as_bytes(),
"default_config.nu",
PipelineData::empty(),
false,
)
})
});
}
fn eval_benchmarks(c: &mut Criterion) {
c.bench_function("eval default_env.nu", |b| {
b.iter(|| {
let mut engine_state = load_bench_commands();
let mut stack = nu_protocol::engine::Stack::new();
eval_source(
&mut engine_state,
&mut stack,
get_default_env().as_bytes(),
"default_env.nu",
PipelineData::empty(),
false,
)
})
});
c.bench_function("eval default_config.nu", |b| {
b.iter(|| {
let mut engine_state = load_bench_commands();
// parsing config.nu breaks without PWD set
engine_state.add_env_var(
"PWD".into(),
Value::string("/some/dir".to_string(), Span::test_data()),
);
let mut stack = nu_protocol::engine::Stack::new();
eval_source(
&mut engine_state,
&mut stack,
get_default_config().as_bytes(),
"default_config.nu",
PipelineData::empty(),
false,
)
})
});
}
// generate a new table data with `row_cnt` rows, `col_cnt` columns.
fn encoding_test_data(row_cnt: usize, col_cnt: usize) -> Value {
let columns: Vec<String> = (0..col_cnt).map(|x| format!("col_{x}")).collect();
let vals: Vec<Value> = (0..col_cnt as i64).map(Value::test_int).collect();
Value::List {
vals: (0..row_cnt)
.map(|_| Value::test_record(columns.clone(), vals.clone()))
.collect(),
span: Span::test_data(),
}
}
fn encoding_benchmarks(c: &mut Criterion) {
let mut group = c.benchmark_group("Encoding");
let test_cnt_pairs = [(100, 5), (100, 15), (10000, 5), (10000, 15)];
for (row_cnt, col_cnt) in test_cnt_pairs.into_iter() {
for fmt in ["json", "msgpack"] {
group.bench_function(&format!("{fmt} encode {row_cnt} * {col_cnt}"), |b| {
let mut res = vec![];
let test_data =
PluginResponse::Value(Box::new(encoding_test_data(row_cnt, col_cnt)));
let encoder = EncodingType::try_from_bytes(fmt.as_bytes()).unwrap();
b.iter(|| encoder.encode_response(&test_data, &mut res))
});
}
}
group.finish();
}
fn decoding_benchmarks(c: &mut Criterion) {
let mut group = c.benchmark_group("Decoding");
let test_cnt_pairs = [(100, 5), (100, 15), (10000, 5), (10000, 15)];
for (row_cnt, col_cnt) in test_cnt_pairs.into_iter() {
for fmt in ["json", "msgpack"] {
group.bench_function(&format!("{fmt} decode for {row_cnt} * {col_cnt}"), |b| {
let mut res = vec![];
let test_data =
PluginResponse::Value(Box::new(encoding_test_data(row_cnt, col_cnt)));
let encoder = EncodingType::try_from_bytes(fmt.as_bytes()).unwrap();
encoder.encode_response(&test_data, &mut res).unwrap();
let mut binary_data = std::io::Cursor::new(res);
b.iter(|| {
binary_data.set_position(0);
encoder.decode_response(&mut binary_data)
})
});
}
}
group.finish();
}
criterion_group!(
benches,
parser_benchmarks,
eval_benchmarks,
encoding_benchmarks,
decoding_benchmarks
);
criterion_main!(benches);