C comparison

samples/wasm-lua-comparison/src/main.c

@@ -21,6 +21,8 @@
 int
 main(int argc, char *argv[])
 {
+    clock_t start_t, stop_t;
+    double total_t;
     lua_State* L= luaL_newstate();
 
     init_wasm();
@@ -31,5 +33,24 @@ main(int argc, char *argv[])
 
     call_wasm_function();
 
+    start_t= clock();
+    int test= sum(2,3);
+    stop_t= clock();
+    printf("C sum: %d\n", test);
+    total_t=(double)(stop_t-start_t)/ CLOCKS_PER_SEC;
+    printf("Total time = %f\n", total_t);
+
     return 0;
 }
+
+int sum(int start, int length)
+{
+    int sum = 0, i, j;
+
+    for(j=0; j<10000000; j++){
+        for (i = start; i < start + length; i++) {
+            sum += i;
+        }
+    }
+    return sum;
+}

samples/wasm-lua-comparison/src/sum.py

@@ -0,0 +1,4 @@
+def sum (start, length):
+    for x in range(0,10000000):
+        sum(x for x in range (start,length))
+sum(2,3)

samples/wasm-lua-comparison/src/test.lua

@@ -12,7 +12,7 @@
  function sum(start, length)
     local sum =0
     print(start)
-    for x=0,10000000 do 
+    for x=0,9999999 do 
     for x=start,(start+length-1) do
         sum = sum + x;
     end