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Callback vs Promise vs Async/Await
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| Callback vs Promise vs Async/Await benchmarks |
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| Benchmark Files | |
| https://github.com/petkaantonov/bluebird/tree/master/benchmark | |
| Platform Info | |
| Linux 5.13.0-40-generic x64 | |
| Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz × 4 | |
| Summary | |
| In terms of performance and memory usage, there is no alternative to callbacks. | |
| Promise and async/await are slower and use more resources. |
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| ls ./doxbee-sequential/*.js | sed -e 's|\.js||' | xargs node ./performance.js --p 1 --t 1 --n 10000 | |
| results for 10000 parallel executions, 1 ms per I/O op | |
| file time(ms) memory(MB) | |
| callbacks-baseline 329 24.58 | |
| callbacks-caolan-async-waterfall 420 50.55 | |
| callbacks-suguru03-neo-async-waterfall 426 41.49 | |
| promises-bluebird-generator 499 42.61 | |
| promises-native-async-await 558 56.47 | |
| promises-bluebird 570 50.09 | |
| promises-ecmascript6-native 614 67.87 | |
| promises-lvivski-davy 622 91.29 | |
| promises-cujojs-when 705 67.07 | |
| promises-then-promise 782 75.79 | |
| generators-tj-co 804 59.77 | |
| promises-tildeio-rsvp 911 91.99 | |
| promises-calvinmetcalf-lie 1099 141.34 | |
| promises-dfilatov-vow 1445 141.14 | |
| promises-obvious-kew 1471 104.65 | |
| observables-pozadi-kefir 1499 146.91 | |
| streamline-generators 1540 77.86 | |
| promises-medikoo-deferred 1758 132.80 | |
| streamline-callbacks 2190 102.14 | |
| observables-Reactive-Extensions-RxJS 2732 218.70 | |
| promises-kriskowal-q 5838 359.06 | |
| observables-caolan-highland 6688 488.01 | |
| observables-baconjs-bacon.js 10233 761.92 | |
| Platform info: | |
| Linux 5.13.0-40-generic x64 | |
| Node.JS 16.14.0 | |
| V8 9.4.146.24-node.20 | |
| Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz × 4 | |
| ls ./madeup-parallel/*.js | sed -e 's|\.js||' | xargs node ./performance.js --p 25 --t 1 --n 10000 | |
| results for 10000 parallel executions, 1 ms per I/O op | |
| file time(ms) memory(MB) | |
| callbacks-baseline 624 82.00 | |
| callbacks-suguru03-neo-async-parallel 719 88.20 | |
| promises-bluebird 1037 105.51 | |
| promises-lvivski-davy 1099 156.89 | |
| callbacks-caolan-async-parallel 1141 116.48 | |
| promises-bluebird-generator 1198 106.91 | |
| promises-cujojs-when 1391 157.09 | |
| promises-ecmascript6-native 2280 212.14 | |
| generators-tj-co 2289 225.09 | |
| promises-native-async-await 2346 218.36 | |
| promises-then-promise 2358 235.82 | |
| promises-calvinmetcalf-lie 2927 330.71 | |
| promises-tildeio-rsvp 3006 315.84 | |
| promises-medikoo-deferred 3859 356.98 | |
| promises-dfilatov-vow 5261 476.34 | |
| promises-obvious-kew 5971 657.50 | |
| streamline-generators 14209 857.03 | |
| streamline-callbacks 20183 1066.83 | |
| Platform info: | |
| Linux 5.13.0-40-generic x64 | |
| Node.JS 16.14.0 | |
| V8 9.4.146.24-node.20 | |
| Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz × 4 |
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github doesn't give me a place to "thumbs up" your reply, however, "thumbs up" :)