v1.2.2

.eslintrc

@@ -1,7 +1,8 @@
 {
-  "extends": "standard",
-  "rules": {
-    "indent": ["error", "tab"],
-    "no-tabs": ["error", { allowIndentationTabs: true }]
-  }
+	"extends": "standard",
+	"rules": {
+		"indent": ["error", "tab"],
+		"no-tabs": ["error", { allowIndentationTabs: true }],
+		"no-trailing-spaces": ["off"]
+	}
 }

HISTORY.md

@@ -1,3 +1,9 @@
+1.2.2 / 2018-12-03
+===================
+
+  * Improved calcPerformance function
+  * Removed dependencies
+
 1.2.1 / 2018-12-03
 ===================
 

binding.gyp

@@ -1,9 +1,9 @@
 {
-  'targets': [
-    {
-      'target_name': 'binding',
-      'defines': [ 'V8_DEPRECATION_WARNINGS=1' ],
-      'sources': [ 'src/binding.cc' ]
-    }
-  ]
+	'targets': [
+		{
+			'target_name': 'binding',
+			'defines': [ 'V8_DEPRECATION_WARNINGS=1' ],
+			'sources': [ 'src/binding.cc' ]
+		}
+	]
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "rdtsc",
-  "version": "1.2.1",
+  "version": "1.2.2",
   "description": "The most high resolution cross platform timing in NodeJs that use processor command RDTSC. Calculate performance with accuracy +/- 4 processor cycles.",
   "engines": {
     "node": ">= 10.9.0"
@@ -54,7 +54,5 @@
     "node-gyp": "^3.8.0",
     "wavefile": "^8.4.4"
   },
-  "dependencies": {
-    "ps-list": "^6.0.0"
-  }
+  "dependencies": {}
 }

src/index.js

@@ -47,18 +47,24 @@ const runInRealtimePriority = function (func) {
 }
 
 const calcPerformance = function (func0, func1, testTimeMilliseconds) {
-	let calcCount = (time, count) => {
-		return ~~Math.ceil(count * testTimeMilliseconds / (testTimeMilliseconds + time[0] * 1000 + time[1] / 1000000))
-	}
-
 	return runInRealtimePriority(() => {
+		let testTime = testTimeMilliseconds
+		let calcCount = (time, count) => {
+			return ~~Math.ceil(count * testTime / (testTime + time[0] * 1000 + time[1] / 1000000))
+		}
+
+		let f0 = func0
+		let f1 = func1
+		let m0 = mark0
+		let m1 = mark1
+		let m2 = mark2
 		let endTime = process.hrtime()
-		endTime[0] += ~~(testTimeMilliseconds / 1000)
-		endTime[1] += testTimeMilliseconds % 1000
+		endTime[0] += ~~(testTime / 1000)
+		endTime[1] += testTime % 1000
 
-		if (!func0 || !func1) {
-			func0 = func0 || func1
-			if (!func0) {
+		if (!f0 || !f1) {
+			f0 = f0 || f1
+			if (!f0) {
 				return undefined
 			}
 
@@ -67,9 +73,9 @@ const calcPerformance = function (func0, func1, testTimeMilliseconds) {
 			init()
 			let startCycles = rdtsc()
 			do {
-				mark0()
-				func0()
-				mark1()
+				m0()
+				f0()
+				m1()
 
 				i++
 				if (i >= count) {
@@ -95,11 +101,11 @@ const calcPerformance = function (func0, func1, testTimeMilliseconds) {
 		init()
 		let startCycles = rdtsc()
 		do {
-			mark0()
-			func0()
-			mark1()
-			func1()
-			mark2()
+			m0()
+			f0()
+			m1()
+			f1()
+			m2()
 
 			i++
 			if (i >= count) {

test/test.js

@@ -126,7 +126,7 @@ describe('All tests', function () {
 			exception = ex
 		}
 
-		// console.log('Test exeption:');
+		// console.log('Test exception:');
 		// console.log(JSON.stringify(exception), exception.stack);
 
 		assert.ok(exception)