Add Pedersen hash benchmark (#950)

bench/criterion_benchmark.rs

@@ -29,6 +29,7 @@ const BENCH_NAMES: &[&str] = &[
     "operations_with_data_structures_benchmarks",
     "uint256_integration_benchmark",
     "set_integration_benchmark",
+    "pedersen",
 ];
 const BENCH_PATH: &str = "cairo_programs/benchmarks/";
 

bench/iai_benchmark.rs

@@ -115,6 +115,7 @@ iai_bench_expand_prog! {math_cmp_and_pow_integration_benchmark}
 iai_bench_expand_prog! {operations_with_data_structures_benchmarks}
 iai_bench_expand_prog! {uint256_integration_benchmark}
 iai_bench_expand_prog! {set_integration_benchmark}
+iai_bench_expand_prog! {pedersen}
 
 main!(
     math_integration_benchmark,
@@ -132,4 +133,5 @@ main!(
     operations_with_data_structures_benchmarks,
     uint256_integration_benchmark,
     set_integration_benchmark,
+    pedersen,
 );

cairo_programs/benchmarks/pedersen.cairo

@@ -0,0 +1,45 @@
+%builtins pedersen
+
+from starkware.cairo.common.cairo_builtins import HashBuiltin
+from starkware.cairo.common.hash import hash2
+
+func get_hash(hash_ptr: HashBuiltin*, num_a: felt, num_b: felt) -> (
+    hash_ptr: HashBuiltin*, r: felt
+) {
+    with hash_ptr {
+        let (result) = hash2(num_a, num_b);
+    }
+    return (hash_ptr=hash_ptr, r=result);
+}
+
+func builtins_wrapper{
+    pedersen_ptr: HashBuiltin*,
+}(num_a: felt, num_b: felt) {
+    let (pedersen_ptr, result: felt) = get_hash(pedersen_ptr, num_a, num_b);
+
+    return ();
+}
+
+func builtins_wrapper_iter{
+    pedersen_ptr: HashBuiltin*,
+}(num_a: felt, num_b: felt, n_iterations: felt) {
+    builtins_wrapper(num_a, num_b);
+    if (n_iterations != 0) {
+        builtins_wrapper_iter(num_a, num_b, n_iterations - 1);
+        tempvar pedersen_ptr = pedersen_ptr;
+    } else {
+        tempvar pedersen_ptr = pedersen_ptr;
+    }
+
+    return ();
+}
+
+func main{
+    pedersen_ptr: HashBuiltin*,
+}() {
+    let num_a = 123568;
+    let num_b = 5673940;
+    builtins_wrapper_iter(num_a, num_b, 50000);
+
+    return ();
+}