From 5492b85a79807dab301ab5f040504bf2538ffaf7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gustav=20S=C3=B6rn=C3=A4s?= <gustav@sornas.net>
Date: Tue, 12 Jan 2021 23:36:36 +0100
Subject: add optional benchmarks

Run with cargo bench --features=criterion
---
 benches/tihdy_benchmark.rs | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 benches/tihdy_benchmark.rs

(limited to 'benches')

diff --git a/benches/tihdy_benchmark.rs b/benches/tihdy_benchmark.rs
new file mode 100644
index 0000000..f639fb0
--- /dev/null
+++ b/benches/tihdy_benchmark.rs
@@ -0,0 +1,42 @@
+use criterion::{criterion_group, criterion_main, Criterion};
+use std::path::Path;
+
+pub fn fib_50(c: &mut Criterion) {
+    let prog =
+"
+j := 0
+for , j < 1000, j = j + 1 {
+    a := 0
+    b := 1
+
+    for i := 0, i < 50, i = i + 1 {
+        c := a
+        a = b
+        b = c + b
+    }
+    a <=> 12586269025
+}
+";
+    let compiled = tihdy::compiler::compile("main", Path::new("prog"), tihdy::tokenizer::string_to_tokens(prog)).unwrap();
+    c.bench_function("fib 50", |b| b.iter(|| tihdy::vm::run_block(&compiled).unwrap()));
+}
+
+pub fn fib_90(c: &mut Criterion) {
+    let prog =
+"
+a := 0
+b := 1
+
+for i := 0, i < 90, i = i + 1 {
+    c := a
+    a = b
+    b = c + b
+}
+a <=> 2880067194370816120
+";
+    let compiled = tihdy::compiler::compile("main", Path::new("prog"), tihdy::tokenizer::string_to_tokens(prog)).unwrap();
+    c.bench_function("fib 90", |b| b.iter(|| tihdy::vm::run_block(&compiled).unwrap()));
+}
+
+criterion_group!(benches, fib_50, fib_90);
+criterion_main!(benches);
-- 
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