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a9bdc655c1
A quick follow-up to https://github.com/nushell/nushell/pull/7686. This adds benchmarks for evaluating `default_env.nu` and `default_config.nu`, because evaluating config takes up the lion's share of Nushell's startup time. The benchmarks will help us speed up Nu's startup and test execution. ``` eval default_env.nu time: [4.2417 ms 4.2596 ms 4.2780 ms] ... eval default_config.nu time: [1.9362 ms 1.9439 ms 1.9523 ms] ```
43 lines
1.4 KiB
Rust
43 lines
1.4 KiB
Rust
use criterion::{criterion_group, criterion_main, Criterion};
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use nu_cli::eval_source;
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use nu_protocol::{PipelineData, Span, Value};
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use nu_utils::{get_default_config, get_default_env};
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fn criterion_benchmark(c: &mut Criterion) {
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c.bench_function("eval default_env.nu", |b| {
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b.iter(|| {
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let mut engine_state = nu_command::create_default_context();
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let mut stack = nu_protocol::engine::Stack::new();
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eval_source(
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&mut engine_state,
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&mut stack,
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get_default_env().as_bytes(),
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"default_env.nu",
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PipelineData::empty(),
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)
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})
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});
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c.bench_function("eval default_config.nu", |b| {
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b.iter(|| {
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let mut engine_state = nu_command::create_default_context();
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// parsing config.nu breaks without PWD set
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engine_state.add_env_var(
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"PWD".into(),
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Value::string("/some/dir".to_string(), Span::test_data()),
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);
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let mut stack = nu_protocol::engine::Stack::new();
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eval_source(
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&mut engine_state,
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&mut stack,
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get_default_config().as_bytes(),
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"default_config.nu",
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PipelineData::empty(),
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)
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})
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});
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}
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criterion_group!(benches, criterion_benchmark);
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criterion_main!(benches);
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