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typed arrays: preliminary benchmarks

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1 parent efcbe3b commit 47265046632a64fcd2f7c9e50e3c2caa598f51e7 @bnoordhuis bnoordhuis committed Jul 27, 2011
Showing with 45 additions and 0 deletions.
  1. +15 −0 benchmark/arrays/var_int.js
  2. +15 −0 benchmark/arrays/zero_float.js
  3. +15 −0 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] = (j ^ k) & 127;
+ }
+}
@@ -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;
+ }
+}
@@ -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;
+ }
+}

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