4beee4cba7
This is now supported in the standard library via std::sync::LazyLock, but requires some manual shuffling around of code. Change-Id: Ibb3be8458b8a8912ea04c9360d64c5cf914254d4 Reviewed-on: https://cl.tvl.fyi/c/depot/+/12609 Autosubmit: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
84 lines
2.9 KiB
Rust
84 lines
2.9 KiB
Rust
use clap::Parser;
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use criterion::{black_box, criterion_group, criterion_main, Criterion};
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use mimalloc::MiMalloc;
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use std::sync::LazyLock;
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use std::{env, rc::Rc, sync::Arc, time::Duration};
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use tvix_build::buildservice::DummyBuildService;
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use tvix_eval::{builtins::impure_builtins, EvalIO};
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use tvix_glue::{
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builtins::{add_derivation_builtins, add_fetcher_builtins, add_import_builtins},
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configure_nix_path,
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tvix_io::TvixIO,
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tvix_store_io::TvixStoreIO,
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};
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use tvix_store::utils::{construct_services, ServiceUrlsMemory};
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#[global_allocator]
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static GLOBAL: MiMalloc = MiMalloc;
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static TOKIO_RUNTIME: LazyLock<tokio::runtime::Runtime> =
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LazyLock::new(|| tokio::runtime::Runtime::new().unwrap());
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fn interpret(code: &str) {
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// TODO: this is a bit annoying.
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// It'd be nice if we could set this up once and then run evaluate() with a
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// piece of code. b/262
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let (blob_service, directory_service, path_info_service, nar_calculation_service) =
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TOKIO_RUNTIME
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.block_on(async {
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construct_services(ServiceUrlsMemory::parse_from(std::iter::empty::<&str>())).await
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})
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.unwrap();
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// We assemble a complete store in memory.
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let tvix_store_io = Rc::new(TvixStoreIO::new(
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blob_service,
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directory_service,
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path_info_service,
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nar_calculation_service.into(),
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Arc::<DummyBuildService>::default(),
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TOKIO_RUNTIME.handle().clone(),
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));
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let mut eval_builder = tvix_eval::Evaluation::builder(Box::new(TvixIO::new(
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tvix_store_io.clone() as Rc<dyn EvalIO>,
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)) as Box<dyn EvalIO>)
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.enable_import()
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.add_builtins(impure_builtins());
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eval_builder = add_derivation_builtins(eval_builder, Rc::clone(&tvix_store_io));
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eval_builder = add_fetcher_builtins(eval_builder, Rc::clone(&tvix_store_io));
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eval_builder = add_import_builtins(eval_builder, tvix_store_io);
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eval_builder = configure_nix_path(
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eval_builder,
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// The benchmark requires TVIX_BENCH_NIX_PATH to be set, so barf out
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// early, rather than benchmarking tvix returning an error.
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&Some(env::var("TVIX_BENCH_NIX_PATH").expect("TVIX_BENCH_NIX_PATH must be set")),
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);
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let eval = eval_builder.build();
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let result = eval.evaluate(code, None);
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assert!(result.errors.is_empty(), "{:#?}", result.errors);
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}
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fn eval_nixpkgs(c: &mut Criterion) {
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c.bench_function("hello outpath", |b| {
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b.iter(|| {
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interpret(black_box("(import <nixpkgs> {}).hello.outPath"));
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})
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});
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c.bench_function("firefox outpath", |b| {
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b.iter(|| {
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interpret(black_box("(import <nixpkgs> {}).firefox.outPath"));
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})
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});
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}
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criterion_group!(
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name = benches;
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config = Criterion::default().measurement_time(Duration::from_secs(30)).sample_size(10);
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targets = eval_nixpkgs
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);
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criterion_main!(benches);
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