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node-canvas
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Cleanup benchmark

master
Linus Unnebäck 8 years ago
parent
fe78b7c382
commit
e7fa0de4c3
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2 changed files with 124 additions and 114 deletions
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  1. 236
      benchmarks/run.js
  2. 2
      package.json

236
benchmarks/run.js
View File

@ -1,151 +1,161 @@
/**
* Adaptive benchmarking. Starts with `initialTimes` iterations, increasing by
* a power of two each time until the benchmark takes at least `minDuration_ms`
* a power of two each time until the benchmark takes at least `minDurationMs`
* milliseconds to complete.
*/
var Canvas = require('../lib/canvas')
, canvas = new Canvas(200, 200)
, largeCanvas = new Canvas(1000, 1000)
, ctx = canvas.getContext('2d');
var Canvas = require('../')
var canvas = new Canvas(200, 200)
var largeCanvas = new Canvas(1000, 1000)
var ctx = canvas.getContext('2d')
var initialTimes = 10;
var minDuration_ms = 2000;
var initialTimes = 10
var minDurationMs = 2000
var queue = [], running = false;
var queue = []
var running = false
function bm(label, fn) {
queue.push({label: label, fn: fn});
next();
function bm (label, fn) {
queue.push({ label: label, fn: fn })
next()
}
function next() {
function next () {
if (queue.length && !running) {
run(queue.pop(), initialTimes, Date.now());
run(queue.pop(), initialTimes, Date.now())
}
}
function run(benchmark, n, start) {
running = true;
var originalN = n;
var fn = benchmark.fn;
function run (benchmark, n, start) {
running = true
var originalN = n
var fn = benchmark.fn
if (fn.length) { // async
var pending = n;
while (n--) fn(function () {
--pending || done(benchmark, originalN, start, true);
});
var pending = n
while (n--) {
fn(function () {
--pending || done(benchmark, originalN, start, true)
})
}
} else {
while (n--) fn();
done(benchmark, originalN, start);
while (n--) fn()
done(benchmark, originalN, start)
}
}
function done(benchmark, times, start, async) {
var duration = Date.now() - start;
if (duration < minDuration_ms) {
run(benchmark, times * 2, Date.now());
function done (benchmark, times, start, isAsync) {
var duration = Date.now() - start
if (duration < minDurationMs) {
run(benchmark, times * 2, Date.now())
} else {
var opsSec = times / duration * 1000
if (async) {
console.log(' - \x1b[33m%s\x1b[0m %s ops/sec (%s times, async)', benchmark.label, opsSec.toLocaleString(), times);
if (isAsync) {
console.log(' - \x1b[33m%s\x1b[0m %s ops/sec (%s times, async)', benchmark.label, opsSec.toLocaleString(), times)
} else {
console.log(' - \x1b[33m%s\x1b[0m %s ops/sec (%s times)', benchmark.label, opsSec.toLocaleString(), times);
console.log(' - \x1b[33m%s\x1b[0m %s ops/sec (%s times)', benchmark.label, opsSec.toLocaleString(), times)
}
running = false;
next();
running = false
next()
}
}
// node-canvas
bm('lineTo()', function(){
ctx.lineTo(0, 50);
});
bm('lineTo()', function () {
ctx.lineTo(0, 50)
})
bm('arc()', function(){
ctx.arc(75,75,50,0,Math.PI*2,true);
});
bm('arc()', function () {
ctx.arc(75, 75, 50, 0, Math.PI * 2, true)
})
bm('fillStyle= hex', function(){
ctx.fillStyle = '#FFCCAA';
});
bm('fillStyle= hex', function () {
ctx.fillStyle = '#FFCCAA'
})
bm('fillStyle= rgba()', function(){
ctx.fillStyle = 'rgba(0,255,80,1)';
});
bm('fillStyle= rgba()', function () {
ctx.fillStyle = 'rgba(0,255,80,1)'
})
// Apparently there's a bug in cairo by which the fillRect and strokeRect are
// slow only after a ton of arcs have been drawn.
bm('fillRect()', function(){
ctx.fillRect(50, 50, 100, 100);
});
bm('strokeRect()', function(){
ctx.strokeRect(50, 50, 100, 100);
});
bm('linear gradients', function(){
var lingrad = ctx.createLinearGradient(0,50,0,95);
lingrad.addColorStop(0.5, '#000');
lingrad.addColorStop(1, 'rgba(0,0,0,0)');
ctx.fillStyle = lingrad;
ctx.fillRect(10,10,130,130);
});
bm('toBuffer() 200x200', function(){
canvas.toBuffer();
});
bm('toBuffer() 1000x1000', function(){
largeCanvas.toBuffer();
});
bm('toBuffer() async 200x200', function(done){
bm('fillRect()', function () {
ctx.fillRect(50, 50, 100, 100)
})
bm('strokeRect()', function () {
ctx.strokeRect(50, 50, 100, 100)
})
bm('linear gradients', function () {
var lingrad = ctx.createLinearGradient(0, 50, 0, 95)
lingrad.addColorStop(0.5, '#000')
lingrad.addColorStop(1, 'rgba(0,0,0,0)')
ctx.fillStyle = lingrad
ctx.fillRect(10, 10, 130, 130)
})
bm('toBuffer() 200x200', function () {
canvas.toBuffer()
})
bm('toBuffer() 1000x1000', function () {
largeCanvas.toBuffer()
})
bm('toBuffer() async 200x200', function (done) {
canvas.toBuffer(function (err, buf) {
done();
});
});
if (err) throw err
done()
})
})
bm('toBuffer() async 1000x1000', function(done){
bm('toBuffer() async 1000x1000', function (done) {
largeCanvas.toBuffer(function (err, buf) {
done();
});
});
bm('toBuffer().toString("base64") 200x200', function(){
canvas.toBuffer().toString('base64');
});
bm('toDataURL() 200x200', function(){
canvas.toDataURL();
});
bm('moveTo() / arc() / stroke()', function(){
ctx.beginPath();
ctx.arc(75,75,50,0,Math.PI*2,true); // Outer circle
ctx.moveTo(110,75);
ctx.arc(75,75,35,0,Math.PI,false); // Mouth
ctx.moveTo(65,65);
ctx.arc(60,65,5,0,Math.PI*2,true); // Left eye
ctx.moveTo(95,65);
ctx.arc(90,65,5,0,Math.PI*2,true); // Right eye
ctx.stroke();
});
bm('createImageData(300,300)', function(){
ctx.createImageData(300,300);
});
bm('getImageData(0,0,100,100)', function(){
ctx.getImageData(0,0,100,100);
});
bm('PNGStream 200x200', function(done){
var stream = canvas.createSyncPNGStream();
stream.on('data', function(chunk){
if (err) throw err
done()
})
})
bm('toBuffer().toString("base64") 200x200', function () {
canvas.toBuffer().toString('base64')
})
bm('toDataURL() 200x200', function () {
canvas.toDataURL()
})
bm('moveTo() / arc() / stroke()', function () {
ctx.beginPath()
ctx.arc(75, 75, 50, 0, Math.PI * 2, true) // Outer circle
ctx.moveTo(110, 75)
ctx.arc(75, 75, 35, 0, Math.PI, false) // Mouth
ctx.moveTo(65, 65)
ctx.arc(60, 65, 5, 0, Math.PI * 2, true) // Left eye
ctx.moveTo(95, 65)
ctx.arc(90, 65, 5, 0, Math.PI * 2, true) // Right eye
ctx.stroke()
})
bm('createImageData(300,300)', function () {
ctx.createImageData(300, 300)
})
bm('getImageData(0,0,100,100)', function () {
ctx.getImageData(0, 0, 100, 100)
})
bm('PNGStream 200x200', function (done) {
var stream = canvas.createSyncPNGStream()
stream.on('data', function (chunk) {
// whatever
});
stream.on('end', function(){
done();
});
});
})
stream.on('end', function () {
done()
})
})

2
package.json
View File

@ -24,7 +24,7 @@
"prebenchmark": "node-gyp build",
"benchmark": "node benchmarks/run.js",
"pretest": "node-gyp build",
"test": "standard examples/*.js test/server.js test/public/*.js && mocha test/*.test.js",
"test": "standard examples/*.js test/server.js test/public/*.js benchmark/run.js && mocha test/*.test.js",
"pretest-server": "node-gyp build",
"test-server": "node test/server.js"
},

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