calls: added go plugin benchmark

Makefile

@@ -23,7 +23,10 @@ results:
 	@echo "Create results folder..."
 	@mkdir results
 
-calls: results
+calls/func.plugin.so: calls/plugin/nop.go
+	@go build -buildmode=plugin -o $@ $<
+
+calls: results calls/func.plugin.so
 	@rm -rf ./results/calls.*
 	@go test ./calls -benchmem -bench=. | tee ./results/calls.log
 

calls/call_test.go

@@ -1,11 +1,28 @@
 package calls
 
 import (
+	"plugin"
 	"testing"
 
 	"github.com/kellabyte/go-benchmarks/calls/asm"
 )
 
+var pluginNop func()
+
+func init() {
+	plug, err := plugin.Open("func.plugin.so")
+	if err != nil {
+		panic(err)
+	}
+
+	symNop, err := plug.Lookup("Nop")
+	if err != nil {
+		panic(err)
+	}
+
+	pluginNop = symNop.(func())
+}
+
 func BenchmarkCGO(b *testing.B) {
 	for i := 0; i < b.N; i++ {
 		CNop()
@@ -20,6 +37,13 @@ func BenchmarkGo(b *testing.B) {
 	}
 }
 
+func BenchmarkPlugin(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		pluginNop()
+		b.SetBytes(1)
+	}
+}
+
 func BenchmarkAsm(b *testing.B) {
 	for i := 0; i < b.N; i++ {
 		asm.Nop()

calls/plugin/nop.go

@@ -0,0 +1,7 @@
+package main
+
+func Nop() {}
+
+func main() {
+
+}