--- /dev/null
+var source = new Buffer(100),
+ dest = new Buffer(100), i, j, k, tmp, count = 1000000, bytes = 100;
+
+for (i = 99 ; i >= 0 ; i--) {
+ source[i] = 120;
+}
+
+var str = "This is a nice String.",
+ buf = new Buffer("This is a lovely Buffer.");
+
+var start = new Date();
+for (i = count * 100; i > 0 ; i--) {
+ if (Buffer.isBuffer(str)) {}
+}
+var end = new Date();
+console.log("Buffer.isBuffer(str) " + (end - start) + " ms");
+
+var start = new Date();
+for (i = count * 100; i > 0 ; i--) {
+ if (Buffer.isBuffer(buf)) {}
+}
+var end = new Date();
+console.log("Buffer.isBuffer(buf) " + (end - start) + " ms");
+
+var start = new Date();
+for (i = count * 100; i > 0 ; i--) {
+ if (str instanceof Buffer) {}
+}
+var end = new Date();
+console.log("str instanceof Buffer " + (end - start) + " ms");
+
+var start = new Date();
+for (i = count * 100; i > 0 ; i--) {
+ if (buf instanceof Buffer) {}
+}
+var end = new Date();
+console.log("buf instanceof Buffer " + (end - start) + " ms");
+
+for (i = bytes ; i > 0 ; i --) {
+ var start = new Date();
+ for (j = count ; j > 0; j--) {
+ tmp = source.toString("ascii", 0, bytes);
+ }
+ var end = new Date();
+ console.log("toString() " + i + " bytes " + (end - start) + " ms");
+}
+
+for (i = bytes ; i > 0 ; i --) {
+ var start = new Date();
+ for (j = count ; j > 0; j--) {
+ tmp = "";
+ for (k = 0; k <= i ; k++) {
+ tmp += String.fromCharCode(source[k]);
+ }
+ }
+ var end = new Date();
+ console.log("manual string " + i + " bytes " + (end - start) + " ms");
+}
+
+for (i = bytes ; i > 0 ; i--) {
+ var start = new Date();
+ for (j = count ; j > 0 ; j--) {
+ for (k = i ; k > 0 ; k--) {
+ dest[k] = source[k];
+ }
+ }
+ var end = new Date();
+ console.log("Manual copy " + i + " bytes " + (end - start) + " ms");
+}
+
+for (i = bytes ; i > 0 ; i--) {
+ var start = new Date();
+ for (j = count ; j > 0 ; j--) {
+ for (k = i ; k > 0 ; k--) {
+ dest[k] = 120;
+ }
+ }
+ var end = new Date();
+ console.log("Direct assignment " + i + " bytes " + (end - start) + " ms");
+}
+
+for (i = bytes ; i > 0 ; i--) {
+ var start = new Date();
+ for (j = count ; j > 0 ; j--) {
+ source.copy(dest, 0, 0, i);
+ }
+ var end = new Date();
+ console.log("Buffer.copy() " + i + " bytes " + (end - start) + " ms");
+}