From cc6c365176ef204211aa9e07c05f07c6c1da4faf Mon Sep 17 00:00:00 2001
From: Daniel Lubarov <daniel@lubarov.com>
Date: Sun, 8 Aug 2021 09:14:50 -0700
Subject: [PATCH] A couple field benchmarks (#161)

---
 Cargo.toml                  |  7 +++++++
 benches/field_arithmetic.rs | 28 ++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100644 benches/field_arithmetic.rs

diff --git a/Cargo.toml b/Cargo.toml
index 8c4968ec..fa22a769 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,6 +24,13 @@ anyhow = "1.0.40"
 serde = { version = "1.0", features = ["derive"] }
 serde_cbor = "0.11.1"
 
+[dev-dependencies]
+criterion = "0.3.5"
+
+[[bench]]
+name = "field_arithmetic"
+harness = false
+
 [profile.release]
 opt-level = 3
 #lto = "fat"
diff --git a/benches/field_arithmetic.rs b/benches/field_arithmetic.rs
new file mode 100644
index 00000000..e5ec13ab
--- /dev/null
+++ b/benches/field_arithmetic.rs
@@ -0,0 +1,28 @@
+use std::any::type_name;
+
+use criterion::{criterion_group, criterion_main, BatchSize, Criterion};
+use plonky2::field::crandall_field::CrandallField;
+use plonky2::field::extension_field::quartic::QuarticCrandallField;
+use plonky2::field::field_types::Field;
+
+pub(crate) fn bench_field<F: Field>(c: &mut Criterion) {
+    c.bench_function(&format!("{} mul", type_name::<F>()), |b| {
+        b.iter_batched(
+            || (F::rand(), F::rand()),
+            |(x, y)| x * y,
+            BatchSize::SmallInput,
+        )
+    });
+
+    c.bench_function(&format!("{} try_inverse", type_name::<F>()), |b| {
+        b.iter_batched(|| F::rand(), |x| x.try_inverse(), BatchSize::SmallInput)
+    });
+}
+
+fn criterion_benchmark(c: &mut Criterion) {
+    bench_field::<CrandallField>(c);
+    bench_field::<QuarticCrandallField>(c);
+}
+
+criterion_group!(benches, criterion_benchmark);
+criterion_main!(benches);