Add some simple comparisons

2 files changed, 52 insertions, 8 deletions

diff --git a/README.md b/README.md
index 1d459d9..958407e 100644
--- a/README.md
+++ b/README.md
@@ -60,12 +60,9 @@ msgLog.Error("failed to process message")
 ## Comparison
 
 ```
-goos: darwin
-goarch: amd64
-pkg: src.userspace.com.au/felix/logger
-BenchmarkLocal-12                2000000               660 ns/op
-BenchmarkStdlib-12               5000000               289 ns/op
-BenchmarkLogrus-12               1000000              1744 ns/op
-BenchmarkFieldsLocal-12          1000000              1029 ns/op
-BenchmarkFieldsLogrus-12         1000000              2058 ns/op
+BenchmarkCoreLogger-12           5000000               288 ns/op
+BenchmarkLocal-12                2000000               654 ns/op
+BenchmarkLogrus-12               1000000              1738 ns/op
+BenchmarkFieldsLocal-12          1000000              1024 ns/op
+BenchmarkFieldsLogrus-12         1000000              2061 ns/op
 ```
diff --git a/comparison_test.go b/comparison_test.go
new file mode 100644
index 0000000..86a26fd
--- /dev/null
+++ b/comparison_test.go
@@ -0,0 +1,47 @@
+package logger
+
+import (
+	"io/ioutil"
+	"log"
+	"testing"
+
+	logrus "github.com/sirupsen/logrus"
+)
+
+func BenchmarkCoreLogger(b *testing.B) {
+	log.SetOutput(ioutil.Discard)
+	for n := 0; n < b.N; n++ {
+		log.Print("Some text")
+	}
+}
+
+func BenchmarkLocal(b *testing.B) {
+	l, _ := New(SetOutput(ioutil.Discard))
+	for n := 0; n < b.N; n++ {
+		l.Error("Some text")
+	}
+}
+
+func BenchmarkLogrus(b *testing.B) {
+	logrus.SetOutput(ioutil.Discard)
+	for n := 0; n < b.N; n++ {
+		logrus.Error("Some text")
+	}
+}
+
+func BenchmarkFieldsLocal(b *testing.B) {
+	l, _ := New(SetOutput(ioutil.Discard))
+	l.SetField("key", "value")
+	l.SetField("one", "two")
+	for n := 0; n < b.N; n++ {
+		l.Error("Some text")
+	}
+}
+
+func BenchmarkFieldsLogrus(b *testing.B) {
+	logrus.SetOutput(ioutil.Discard)
+	l := logrus.WithFields(logrus.Fields{"key": "value", "one": "two"})
+	for n := 0; n < b.N; n++ {
+		l.Error("Some text")
+	}
+}