typed arrays: preliminary benchmarks

bnoordhuis · bnoordhuis · commit 47265046632a · 2011-08-12T18:42:24.000+02:00
diff --git a/benchmark/arrays/var_int.js b/benchmark/arrays/var_int.js
@@ -0,0 +1,15 @@
+var types = 'Array Buffer Int8Array Uint8Array Int16Array Uint16Array Int32Array Uint32Array Float32Array Float64Array'.split(' ');
+
+var type = types[types.indexOf(process.argv[2])];
+if (!type)
+  type = types[0];
+
+console.error('Benchmarking', type);
+var clazz = global[type];
+
+var arr = new clazz(25 * 10e5);
+for (var i = 0; i < 10; ++i) {
+  for (var j = 0, k = arr.length; j < k; ++j) {
+    arr[j] = (j ^ k) & 127;
+  }
+}
diff --git a/benchmark/arrays/zero_float.js b/benchmark/arrays/zero_float.js
@@ -0,0 +1,15 @@
+var types = 'Array Buffer Int8Array Uint8Array Int16Array Uint16Array Int32Array Uint32Array Float32Array Float64Array'.split(' ');
+
+var type = types[types.indexOf(process.argv[2])];
+if (!type)
+  type = types[0];
+
+console.error('Benchmarking', type);
+var clazz = global[type];
+
+var arr = new clazz(25 * 10e5);
+for (var i = 0; i < 10; ++i) {
+  for (var j = 0, k = arr.length; j < k; ++j) {
+    arr[j] = 0.0;
+  }
+}
diff --git a/benchmark/arrays/zero_int.js b/benchmark/arrays/zero_int.js
@@ -0,0 +1,15 @@
+var types = 'Array Buffer Int8Array Uint8Array Int16Array Uint16Array Int32Array Uint32Array Float32Array Float64Array'.split(' ');
+
+var type = types[types.indexOf(process.argv[2])];
+if (!type)
+  type = types[0];
+
+console.error('Benchmarking', type);
+var clazz = global[type];
+
+var arr = new clazz(25 * 10e5);
+for (var i = 0; i < 10; ++i) {
+  for (var j = 0, k = arr.length; j < k; ++j) {
+    arr[j] = 0;
+  }
+}
