Commit 5f6342e8d78cfcd4637c0ee7386d0467a65d93a1

Parents: f8e1838c8ffcf942d5c9dccdd8dccf296f12714d

From: Moritz Poldrack <ich@moritz-poldrack.de>
Date: Wed May 19 13:56:03 2021 +0700

tried embed C-Function

		

Stats

testdata/benchmarks/yenc.go +25/-0
testdata/benchmarks/yenc_test.go +2/-0

Changeset

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diff --git a/testdata/benchmarks/yenc.go b/testdata/benchmarks/yenc.go
index b08af7225c4db65693ad41f25b319bbc7bd6ae33..00f613b3c9c93a842272f97eb5a181438c16e2ec 100644
--- a/testdata/benchmarks/yenc.go
+++ b/testdata/benchmarks/yenc.go
@@ -1,5 +1,19 @@
 package yenc
 
+// #include <stdlib.h>
+// void yenc(unsigned char **arr) {
+//	(*arr)[1] += 42;
+//	switch((*arr)[1]) {
+//		case 0x00:
+//		case 0x0A:
+//		case 0x0D:
+//		case 0x3D:
+//			(*arr)[0] = 0x3D;
+//			(*arr)[1] += 0x40;
+//	}
+// }
+import "C"
+
 import (
 	"unsafe"
 
@@ -124,3 +138,14 @@ 	0x2a,
 	0x2a,
 	0x2a,
 }
+
+func CYEnc(input *[2]byte) {
+	cb := C.CBytes([]byte{0, (*input)[1]})
+	defer C.free(cb)
+
+	C.yenc((**C.uchar)(cb))
+
+	done := C.GoBytes(cb, 2)
+	input[0] = done[0]
+	input[1] = done[1]
+}
diff --git a/testdata/benchmarks/yenc_test.go b/testdata/benchmarks/yenc_test.go
index 8cceb3b9a4d24749ab1e53893891d1cc45105bc6..ff87e968eb1a076b548f2a34a7cc05d85a7a7484 100644
--- a/testdata/benchmarks/yenc_test.go
+++ b/testdata/benchmarks/yenc_test.go
@@ -29,6 +29,7 @@ 		name string
 		fn   func(*[2]byte)
 	}{
 		{"naive-pointer", YEncPtr},
+		{"cgo", CYEnc},
 	}
 	for _, enc := range encoderPtr {
 		t.Run(enc.name, func(t *testing.T) {
@@ -99,6 +100,7 @@ 		name string
 		fn   func(*[2]byte)
 	}{
 		{"naive-pointer", YEncPtr},
+		{"cgo", CYEnc},
 	}
 	for _, enc := range encoderPtr {
 		b.Run(enc.name, func(b *testing.B) {