add benchmarks for timing functions

loov · Apr 30, 2018 · f0e5399 · f0e5399
1 parent d7e70d0
commit f0e5399
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Showing 2 changed files with 23 additions and 0 deletions.
diff --git a/now_test.go b/now_test.go
@@ -4,6 +4,7 @@ package hrtime_test
 
 import (
 	"testing"
+	"time"
 
 	"github.com/loov/hrtime"
 )
@@ -39,3 +40,15 @@ func TestNowPrecision(t *testing.T) {
 
 //go:noinline
 func empty() {}
+
+func BenchmarkTimeNow(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		time.Now()
+	}
+}
+
+func BenchmarkNow(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		hrtime.Now()
+	}
+}
diff --git a/tsc_test.go b/tsc_test.go
@@ -62,3 +62,13 @@ func TestCountPrecision(t *testing.T) {
 		t.Errorf("fast: loop time took %v", loopTime)
 	}
 }
+
+func BenchmarkTSC(b *testing.B) {
+	if !hrtime.TSCSupported() {
+		b.Skip("Cycle counting not supported")
+	}
+
+	for i := 0; i < b.N; i++ {
+		hrtime.TSC()
+	}
+}