Model Change Detection: Object.observe Polyfill vs Angular Dirty Checking

[santiago esteva]

Im wondering if anybody has done any benchmarking on polymer polyfill and angular dirty checking when it comes to model change detection.

[santiago esteva]

Are these two performance checks 'apples to apples'?

http://jsperf.com/angularjs-digest/50

http://jsperf.com/polymer-dirtycheck/26

[Eric Bidelman]

+raf did some benchmarks:https://github.com/Polymer/observe-js/tree/master/benchmark. Not sure if anyone has compared the two systems directly.

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[santiago esteva]

1- If I combine those two jsperf exercises, the results are absurd! http://jsperf.com/model-detection-polymer-vs-angular

2- Im looking into the observe-js benchmarks but they are broken on IE. Need to spend sometime to make them work.

On Thursday, October 2, 2014 11:29:47 AM UTC-5, santiago esteva wrote:

[santiago esteva]

In this comparison the both frameworks need to register a watcher/observer and then the model is updated.

I can see how dirty checking when using polyfills is head to head in some browsers.

http://jsperf.com/polymer-comparison

Let me know what you think.