1 files changed, 30 insertions, 0 deletions
diff --git a/perf/perfect.cpp b/perf/perfect.cpp
new file mode 100644
index 0000000..6d1eeb0
--- /dev/null
+++ b/perf/perfect.cpp
@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <stdint.h>
+
+struct test_unit
+{
+	union
+	{
+		uint8_t u8;
+		uint16_t u16;
+		uint32_t u32;
+		size_t u64;
+	};
+	
+	uint8_t *value;
+};
+
+
+int main(void)
+{
+    struct test_unit unit={0};
+    printf("sizeof(a) = %lu\n", sizeof(unit.u8));
+    printf("sizeof(b) = %lu\n", sizeof(unit.u16));
+    printf("sizeof(c) = %lu\n", sizeof(unit.u32));
+    printf("sizeof(test_unit) = %lu\n", sizeof(struct test_unit));
+
+    return 0;
+}
+\ No newline at end of file