Updated Performance (markdown)

Performance.md

@@ -115,4 +115,43 @@ $ time strace -c ls -l /usr/bin | wc -l
 1989
 ```
 
-**Note:** Each reading is taken at cold boot.
+**Note:** Each reading is taken at cold boot.
+
+## C vs. other languages
+
+- Python3 vs. C gcc [benchmarks](https://benchmarksgame-team.pages.debian.net/benchmarksgame/fastest/python3-gcc.html)
+- Go vs. C gcc [benachmarks](https://benchmarksgame-team.pages.debian.net/benchmarksgame/fastest/go-gcc.html)
+- Bash script vs. C gcc
+
+```
+/* compare.c */
+
+int main(void)
+{
+  for (int i = 0; i < 1000000; i++)
+    printf("hello\n");
+
+  return 0;
+}
+
+$ time -p ./compare
+real 1.89
+user 0.20 <<
+sys 1.25
+---------------------------------
+# compare.sh
+#!/bin/bash
+
+for (( i = 0; i < 1000000; i++ ))
+do
+  echo hello
+done
+
+exit 0
+
+$ time -p ./compare.sh
+real 5.88
+user 4.66 <<
+sys 1.21
+```
+