Move benchmarks into separate crate ♾

So that CI does not have to build criterion each time.

2 files changed, 64 insertions, 0 deletions

diff --git a/bench/Cargo.toml b/bench/Cargo.toml
new file mode 100644
index 00000000..25a112a1
--- /dev/null
+++ b/bench/Cargo.toml
@@ -0,0 +1,16 @@
+[package]
+name = "typst-bench"
+version = "0.0.1"
+authors = ["The Typst Project Developers"]
+edition = "2018"
+publish = false
+
+[dependencies]
+fontdock = { path = "../../fontdock" }
+typst = { path = ".." }
+criterion = "0.3"
+
+[[bench]]
+name = "typst"
+path = "src/bench.rs"
+harness = false
diff --git a/bench/src/bench.rs b/bench/src/bench.rs
new file mode 100644
index 00000000..e004c5ce
--- /dev/null
+++ b/bench/src/bench.rs
@@ -0,0 +1,48 @@
+use std::cell::RefCell;
+use std::rc::Rc;
+
+use criterion::{criterion_group, criterion_main, Criterion};
+use fontdock::fs::{FsIndex, FsSource};
+
+use typst::eval::{eval, State};
+use typst::export::pdf;
+use typst::font::FontLoader;
+use typst::layout::layout;
+use typst::parse::parse;
+use typst::typeset;
+
+const FONT_DIR: &str = "fonts";
+const COMA: &str = include_str!("../../tests/typ/coma.typ");
+
+fn benchmarks(c: &mut Criterion) {
+    macro_rules! bench {
+        ($name:literal: $($tts:tt)*) => {
+            c.bench_function($name, |b| b.iter(|| $($tts)*));
+        };
+    }
+
+    let mut index = FsIndex::new();
+    index.search_dir(FONT_DIR);
+
+    let (files, descriptors) = index.into_vecs();
+    let loader = Rc::new(RefCell::new(FontLoader::new(
+        Box::new(FsSource::new(files)),
+        descriptors,
+    )));
+
+    // Prepare intermediate results and run warm.
+    let state = State::default();
+    let tree = parse(COMA).output;
+    let document = eval(&tree, state.clone()).output;
+    let layouts = layout(&document, Rc::clone(&loader));
+
+    // Bench!
+    bench!("parse-coma": parse(COMA));
+    bench!("eval-coma": eval(&tree, state.clone()));
+    bench!("layout-coma": layout(&document, Rc::clone(&loader)));
+    bench!("typeset-coma": typeset(COMA, state.clone(), Rc::clone(&loader)));
+    bench!("export-pdf-coma": pdf::export(&layouts, &loader.borrow()));
+}
+
+criterion_group!(benches, benchmarks);
+criterion_main!(benches);