First Commit

wasm_add.c

@@ -0,0 +1,52 @@
+
+#include <stdlib.h>
+
+#include <stdio.h>
+
+#include <emscripten/emscripten.h>
+
+
+#define ARRAY_SIZE 15000576  // 100 million items
+
+
+EMSCRIPTEN_KEEPALIVE
+int* alloc( int size ) {
+
+	return ( int * ) malloc( size );
+
+}
+
+EMSCRIPTEN_KEEPALIVE
+void dealloc( int * ptr, int size ) {
+
+	free( ptr );
+	
+}
+
+EMSCRIPTEN_KEEPALIVE
+float* alloc_float_array(int size) {
+
+    return ( float * ) malloc(size * sizeof(float));
+
+}
+
+EMSCRIPTEN_KEEPALIVE
+void dealloc_float_array(float* ptr) {
+    free(ptr);
+}
+
+EMSCRIPTEN_KEEPALIVE
+void init_arrays(float* a, float* b) {
+    for (int i = 0; i < ARRAY_SIZE; i++) {
+        a[i] = i;
+        b[i] = i * 2;
+    }
+}
+
+EMSCRIPTEN_KEEPALIVE
+void calculate(float* a, float* b, float* c) {
+    for (int i = 0; i < ARRAY_SIZE; i++) {
+        c[i] = a[i] + b[i];
+    }
+}
+