First Commit

add_javascript.js

@@ -0,0 +1,38 @@
+const ARRAY_SIZE = 15000576;  // 100 million items
+
+function getTime() {
+    return performance.now() / 1000; // returns time in seconds
+}
+
+function main() {
+    const a = new Float32Array(ARRAY_SIZE);
+    const b = new Float32Array(ARRAY_SIZE);
+    const c = new Float32Array(ARRAY_SIZE);
+
+    // Initialize arrays
+    const start = getTime();
+    for (let i = 0; i < ARRAY_SIZE; i++) {
+        a[i] = i;
+        b[i] = i * 2;
+    }
+    const initTime = getTime() - start;
+
+    // Perform the calculation
+    const startCalc = getTime();
+    for (let i = 0; i < ARRAY_SIZE; i++) {
+        c[i] = a[i] + b[i];
+    }
+    const calcTime = getTime() - startCalc;
+
+    // Print timing results
+    console.log(`Array initialization time: ${(initTime * 1000).toFixed(3)} ms`);
+    console.log(`Calculation time:          ${(calcTime * 1000).toFixed(3)} ms`);
+    console.log(`Total time:               ${((initTime + calcTime) * 1000).toFixed(3)} ms`);
+
+    // Print a sample of the result
+    for (let i = 0; i < 10; i++) {
+        console.log(`c[${i}] = ${c[i]}`);
+    }
+}
+
+main();