Added a benchmark runner + profile option

Author: 3rd-Eden

Makefile

@@ -1,5 +1,6 @@
 
 ALL_TESTS = $(shell find test/ -name '*.test.js')
+ALL_BENCH = $(shell find benchmarks -name '*.bench.js')
 
 run-tests:
 	@./node_modules/.bin/expresso \
@@ -19,8 +20,13 @@ test-cov:
 test-leaks:
 	@ls test/leaks/* | xargs node --expose_debug_as=debug --expose_gc
 
+run-bench:
+	@node $(PROFILEFLAGS) benchmarks/runner.js
+
 bench:
-	@node benchmarks/encode \
-		&& node benchmarks/decode
+	@$(MAKE) BENCHMARKS="$(ALL_BENCH)" run-bench
+
+profile:
+	@PROFILEFLAGS='--prof --trace-opt --trace-bailout --trace-deopt' $(MAKE) bench
 
-.PHONY: test bench
+.PHONY: test bench profile

benchmarks/decode.js benchmarks/decode.bench.js

@@ -0,0 +1,55 @@
+/**
+ * Benchmark runner dependencies
+ */
+
+var colors = require('colors')
+  , path = require('path');
+
+/**
+ * Find all the benchmarks
+ */
+
+var benchmarks_files = process.env.BENCHMARKS.split(' ')
+  , all = [].concat(benchmarks_files)
+  , first = all.shift()
+  , benchmarks = {};
+
+// find the benchmarks and load them all in our obj
+benchmarks_files.forEach(function (file) {
+  benchmarks[file] = require(path.join(__dirname, '..', file));
+});
+
+// setup the complete listeners
+benchmarks_files.forEach(function (file) {
+  var benchmark = benchmarks[file]
+    , next_file = all.shift()
+    , next = benchmarks[next_file];
+
+  /**
+   * Generate a oncomplete function for the tests, either we are done or we
+   * have more benchmarks to process.
+   */
+
+   function complete () {
+      if (!next) {
+        console.log(
+          '\n\nBenchmark completed in'.grey
+        , (Date.now() - start).toString().green + ' ms'.grey
+        );
+      } else {
+        console.log('\nStarting benchmark '.grey + next_file.yellow);
+        next.run();
+      }
+   }
+
+   // attach the listener
+   benchmark.on('complete', complete);
+});
+
+/**
+ * Start the benchmark
+ */
+
+var start = Date.now();
+console.log('Starting benchmark '.grey + first.yellow);
+benchmarks[first].run();