Comments (5)
rkatic
commented on June 12, 2024
Microtasks are faster than macrotasks.
In theory that seems correct, however MutationObservers deals with the DOM, which I suspect could diminish the advantage in performances in unpredictable ways.
I am for exploring the possibility of using them, but only with thorough performance tests.
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domenic
commented on June 12, 2024
Some testing I did (unfortunately not online) found that MutationObservers were crazy faster than postMessage, mainly because they don't wait for DOM reflows and such.
Besides, postMessage uses the DOM (window is the biggest DOM object of them all!)
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rkatic
commented on June 12, 2024
Are you referring to window.postMessage or to port.postMessage (via MessageChannel)?
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domenic
commented on June 12, 2024
Ah right I got confused. I tested against window.postMessage. I wonder how much overhead MessageChannel removes. I am pretty sure it still allows DOM reflows though (i.e. is a macro-task).
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kriskowal
commented on June 12, 2024
See: #41
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Related Issues (20)
- Browserify Support HOT 15
- Cross library interleaving can cause node 10's nextTick limit to be hit. HOT 1
- Publish a new version HOT 4
- function to change rawAsap.capacity value must be added HOT 3
- Consider using Promise.prototype.then HOT 4
- asap queue can be effectively overflown (using [email protected]) HOT 2
- Usability in development mode with thrown errors HOT 5
- Browser field contains invalid route in npm HOT 8
- Microtask queue can be made faster HOT 4
- asap uses timer, not MutationObserver, in Safari HOT 1
- react-native throw Error when importing asap HOT 8
- Chrome + postMessage = slow HOT 1
- Source is poinitng to internal uber repo HOT 3
- npm published version 2.05 is not in git HOT 1
- Browser-asap requiring wrong raw file (non-browser version). HOT 4
- Does asap have an ECCN? HOT 2
- Contributors? HOT 1
- Use queueMicrotask? HOT 2
- esbuild fails: "browser" field is not according to spec
- TypeError: t.observe is not a function. (In 't.observe(l,{characterData:!0})', 't.observe' is undefined) HOT 2
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