Revert "delete everything" (includes everything non-go-crypto)

This reverts commit 96a3502

benchmarks/atomic_test.go

@@ -0,0 +1,29 @@
+package benchmarks
+
+import (
+	"sync/atomic"
+	"testing"
+	"unsafe"
+)
+
+func BenchmarkAtomicUintPtr(b *testing.B) {
+	b.StopTimer()
+	pointers := make([]uintptr, 1000)
+	b.Log(unsafe.Sizeof(pointers[0]))
+	b.StartTimer()
+
+	for j := 0; j < b.N; j++ {
+		atomic.StoreUintptr(&pointers[j%1000], uintptr(j))
+	}
+}
+
+func BenchmarkAtomicPointer(b *testing.B) {
+	b.StopTimer()
+	pointers := make([]unsafe.Pointer, 1000)
+	b.Log(unsafe.Sizeof(pointers[0]))
+	b.StartTimer()
+
+	for j := 0; j < b.N; j++ {
+		atomic.StorePointer(&pointers[j%1000], unsafe.Pointer(uintptr(j)))
+	}
+}