Move benchmarks into separate crate ♾

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

4 files changed, 37 insertions, 21 deletions

diff --git a/.gitignore b/.gitignore
index 064a0a81..e4e7a1be 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 /target
 **/*.rs.bk
 Cargo.lock
+bench/target
 tests/png
 tests/pdf
 _things
diff --git a/Cargo.toml b/Cargo.toml
index f92114d8..b7c3055f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,6 +4,9 @@ version = "0.1.0"
 authors = ["The Typst Project Developers"]
 edition = "2018"
 
+[workspace]
+members = ["bench"]
+
 [features]
 default = ["fs", "anyhow"]
 fs = ["fontdock/fs"]
@@ -23,7 +26,6 @@ serde = { version = "1", features = ["derive"], optional = true }
 anyhow = { version = "1", optional = true }
 
 [dev-dependencies]
-criterion = "0.3"
 memmap = "0.7"
 tiny-skia = "0.2"
 
@@ -33,9 +35,6 @@ opt-level = 2
 [profile.release]
 lto = true
 
-[lib]
-bench = false
-
 [[bin]]
 name = "typst"
 required-features = ["fs", "anyhow"]
@@ -44,8 +43,3 @@ required-features = ["fs", "anyhow"]
 name = "typeset"
 required-features = ["fs"]
 harness = false
-
-[[bench]]
-name = "benchmarks"
-required-features = ["fs"]
-harness = false
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/benches/benchmarks.rs b/bench/src/bench.rs
index ea37ff0f..e004c5ce 100644
--- a/benches/benchmarks.rs
+++ b/bench/src/bench.rs
@@ -5,16 +5,21 @@ 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");
+const COMA: &str = include_str!("../../tests/typ/coma.typ");
 
 fn benchmarks(c: &mut Criterion) {
-    let state = State::default();
+    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);
@@ -25,18 +30,18 @@ fn benchmarks(c: &mut Criterion) {
         descriptors,
     )));
 
+    // Prepare intermediate results and run warm.
+    let state = State::default();
     let tree = parse(COMA).output;
     let document = eval(&tree, state.clone()).output;
-    let _ = layout(&document, Rc::clone(&loader));
-
-    c.bench_function("parse-coma", |b| b.iter(|| parse(COMA)));
-    c.bench_function("eval-coma", |b| b.iter(|| eval(&tree, state.clone())));
-    c.bench_function("layout-coma", |b| {
-        b.iter(|| layout(&document, Rc::clone(&loader)))
-    });
-    c.bench_function("typeset-coma", |b| {
-        b.iter(|| typeset(COMA, state.clone(), Rc::clone(&loader)))
-    });
+    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);