secp256k1: Add benchmark for field normalization.

dnldd · Jun 9, 2017 · ccf7a2b · ccf7a2b
1 parent 32ba1b0
commit ccf7a2b
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/dcrec/secp256k1/bench_test.go b/dcrec/secp256k1/bench_test.go
@@ -112,3 +112,13 @@ func BenchmarkSigVerify(b *testing.B) {
 		sig.Verify(msgHash.Bytes(), &pubKey)
 	}
 }
+
+// BenchmarkFieldNormalize benchmarks how long it takes the internal field
+// to perform normalization (which includes modular reduction).
+func BenchmarkFieldNormalize(b *testing.B) {
+	// The normalize function is constant time so default value is fine.
+	f := new(fieldVal)
+	for i := 0; i < b.N; i++ {
+		f.Normalize()
+	}
+}