d74c68025b
This reverts commit d9565a4d0a.
Reason for revert: this was intentional - putting Rc::clone instead of
.clone is a common Rust idiom, and makes it explicit that we're cloning
a shared reference, not an underlying resource
Change-Id: I41a5f323ee35d7025dc7bb02f7d5d05d0051798d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10995
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
77 lines
2.7 KiB
Rust
77 lines
2.7 KiB
Rust
use criterion::{black_box, criterion_group, criterion_main, Criterion};
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use lazy_static::lazy_static;
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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_castore::{
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blobservice::{BlobService, MemoryBlobService},
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directoryservice::{DirectoryService, MemoryDirectoryService},
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};
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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::pathinfoservice::{MemoryPathInfoService, PathInfoService};
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lazy_static! {
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static ref BLOB_SERVICE: Arc<dyn BlobService> = Arc::new(MemoryBlobService::default());
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static ref DIRECTORY_SERVICE: Arc<dyn DirectoryService> =
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Arc::new(MemoryDirectoryService::default());
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static ref PATH_INFO_SERVICE: Arc<dyn PathInfoService> = Arc::new(MemoryPathInfoService::new(
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BLOB_SERVICE.clone(),
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DIRECTORY_SERVICE.clone(),
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));
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static ref TOKIO_RUNTIME: tokio::runtime::Runtime = tokio::runtime::Runtime::new().unwrap();
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}
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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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// 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.clone(),
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DIRECTORY_SERVICE.clone(),
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PATH_INFO_SERVICE.clone(),
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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 = tvix_eval::Evaluation::new(
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Box::new(TvixIO::new(tvix_store_io.clone() as Rc<dyn EvalIO>)) as Box<dyn EvalIO>,
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true,
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);
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eval.builtins.extend(impure_builtins());
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add_derivation_builtins(&mut eval, Rc::clone(&tvix_store_io));
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add_fetcher_builtins(&mut eval, Rc::clone(&tvix_store_io));
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add_import_builtins(&mut eval, tvix_store_io);
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configure_nix_path(
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&mut eval,
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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 result = eval.evaluate(code, None);
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assert!(result.errors.is_empty());
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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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}
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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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