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Promise vs Callback vs Async/await benchmark 2018
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| Script used: | |
| https://github.com/kyrylkov/promise-async-performance | |
| Platform info: | |
| Windows_NT 10.0.16299 x64 | |
| AMD Ryzen 7 1700 Eight-Core Processor × 16 | |
| Conclusion: | |
| Callback's takes the cake, async/await is horrible |
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| Doxbee sequential | |
| benchmarking ./doxbee-sequential/async-bluebird.js | |
| {"time":428,"mem":60.38671875,"errors":0,"lastErr":null} | |
| benchmarking ./doxbee-sequential/async-es2017-native.js | |
| {"time":591,"mem":98.82421875,"errors":0,"lastErr":null} | |
| benchmarking ./doxbee-sequential/async-es2017-util.promisify.js | |
| {"time":479,"mem":69.7734375,"errors":0,"lastErr":null} | |
| benchmarking ./doxbee-sequential/callbacks-baseline.js | |
| {"time":149,"mem":29.99609375,"errors":0,"lastErr":null} | |
| benchmarking ./doxbee-sequential/promises-bluebird-generator.js | |
| {"time":267,"mem":40.62109375,"errors":0,"lastErr":null} | |
| benchmarking ./doxbee-sequential/promises-bluebird.js | |
| {"time":329,"mem":49.48046875,"errors":0,"lastErr":null} | |
| benchmarking ./doxbee-sequential/promises-es2015-native.js | |
| {"time":560,"mem":90.82421875,"errors":0,"lastErr":null} | |
| benchmarking ./doxbee-sequential/promises-es2015-util.promisify.js | |
| {"time":513,"mem":71.2734375,"errors":0,"lastErr":null} | |
| results for 10000 parallel executions, 1 ms per I/O op | |
| file time(ms) memory(MB) | |
| callbacks-baseline.js 149 30.00 | |
| promises-bluebird-generator.js 267 40.62 | |
| promises-bluebird.js 329 49.48 | |
| async-bluebird.js 428 60.39 | |
| async-es2017-util.promisify.js 479 69.77 | |
| promises-es2015-util.promisify.js 513 71.27 | |
| promises-es2015-native.js 560 90.82 | |
| async-es2017-native.js 591 98.82 | |
| Madeup parallel | |
| benchmarking ./madeup-parallel/async-bluebird.js | |
| {"time":597,"mem":115.71875,"errors":0,"lastErr":null} | |
| benchmarking ./madeup-parallel/async-es2017-native.js | |
| {"time":2056,"mem":317.40234375,"errors":0,"lastErr":null} | |
| benchmarking ./madeup-parallel/async-es2017-util.promisify.js | |
| {"time":1421,"mem":201.40625,"errors":0,"lastErr":null} | |
| benchmarking ./madeup-parallel/callbacks-baseline.js | |
| {"time":371,"mem":74.2578125,"errors":0,"lastErr":null} | |
| benchmarking ./madeup-parallel/promises-bluebird-generator.js | |
| {"time":604,"mem":111.328125,"errors":0,"lastErr":null} | |
| benchmarking ./madeup-parallel/promises-bluebird.js | |
| {"time":564,"mem":106.125,"errors":0,"lastErr":null} | |
| benchmarking ./madeup-parallel/promises-es2015-native.js | |
| {"time":1762,"mem":305.1484375,"errors":0,"lastErr":null} | |
| benchmarking ./madeup-parallel/promises-es2015-util.promisify.js | |
| {"time":1314,"mem":192.19921875,"errors":0,"lastErr":null} | |
| results for 10000 parallel executions, 1 ms per I/O op | |
| file time(ms) memory(MB) | |
| callbacks-baseline.js 371 74.26 | |
| promises-bluebird.js 564 106.13 | |
| async-bluebird.js 597 115.72 | |
| promises-bluebird-generator.js 604 111.33 | |
| promises-es2015-util.promisify.js 1314 192.20 | |
| async-es2017-util.promisify.js 1421 201.41 | |
| promises-es2015-native.js 1762 305.15 | |
| async-es2017-native.js 2056 317.40 | |
| Platform info: | |
| Windows_NT 10.0.16299 x64 | |
| Node.JS 8.9.4 | |
| V8 6.1.534.50 | |
| AMD Ryzen 7 1700 Eight-Core Processor × 16 |
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| Doxbee sequential | |
| benchmarking ./doxbee-sequential/async-bluebird.js | |
| {"time":363,"mem":57.234375,"errors":0,"lastErr":null} | |
| benchmarking ./doxbee-sequential/async-es2017-native.js | |
| {"time":413,"mem":93.171875,"errors":0,"lastErr":null} | |
| benchmarking ./doxbee-sequential/async-es2017-util.promisify.js | |
| {"time":382,"mem":65.4609375,"errors":0,"lastErr":null} | |
| benchmarking ./doxbee-sequential/callbacks-baseline.js | |
| {"time":152,"mem":25.5625,"errors":0,"lastErr":null} | |
| benchmarking ./doxbee-sequential/promises-bluebird-generator.js | |
| {"time":248,"mem":36.40625,"errors":0,"lastErr":null} | |
| benchmarking ./doxbee-sequential/promises-bluebird.js | |
| {"time":251,"mem":46.23828125,"errors":0,"lastErr":null} | |
| benchmarking ./doxbee-sequential/promises-es2015-native.js | |
| {"time":413,"mem":89.1015625,"errors":0,"lastErr":null} | |
| benchmarking ./doxbee-sequential/promises-es2015-util.promisify.js | |
| {"time":436,"mem":63.33203125,"errors":0,"lastErr":null} | |
| results for 10000 parallel executions, 1 ms per I/O op | |
| file time(ms) memory(MB) | |
| callbacks-baseline.js 152 25.56 | |
| promises-bluebird-generator.js 248 36.41 | |
| promises-bluebird.js 251 46.24 | |
| async-bluebird.js 363 57.23 | |
| async-es2017-util.promisify.js 382 65.46 | |
| async-es2017-native.js 413 93.17 | |
| promises-es2015-native.js 413 89.10 | |
| promises-es2015-util.promisify.js 436 63.33 | |
| Madeup parallel | |
| benchmarking ./madeup-parallel/async-bluebird.js | |
| {"time":445,"mem":109.73046875,"errors":0,"lastErr":null} | |
| benchmarking ./madeup-parallel/async-es2017-native.js | |
| {"time":1420,"mem":312.7578125,"errors":0,"lastErr":null} | |
| benchmarking ./madeup-parallel/async-es2017-util.promisify.js | |
| {"time":1029,"mem":195.8515625,"errors":0,"lastErr":null} | |
| benchmarking ./madeup-parallel/callbacks-baseline.js | |
| {"time":298,"mem":73.140625,"errors":0,"lastErr":null} | |
| benchmarking ./madeup-parallel/promises-bluebird-generator.js | |
| {"time":502,"mem":104.19921875,"errors":0,"lastErr":null} | |
| benchmarking ./madeup-parallel/promises-bluebird.js | |
| {"time":455,"mem":103.63671875,"errors":0,"lastErr":null} | |
| benchmarking ./madeup-parallel/promises-es2015-native.js | |
| {"time":1300,"mem":300.89453125,"errors":0,"lastErr":null} | |
| benchmarking ./madeup-parallel/promises-es2015-util.promisify.js | |
| {"time":1073,"mem":184.8359375,"errors":0,"lastErr":null} | |
| results for 10000 parallel executions, 1 ms per I/O op | |
| file time(ms) memory(MB) | |
| callbacks-baseline.js 298 73.14 | |
| async-bluebird.js 445 109.73 | |
| promises-bluebird.js 455 103.64 | |
| promises-bluebird-generator.js 502 104.20 | |
| async-es2017-util.promisify.js 1029 195.85 | |
| promises-es2015-util.promisify.js 1073 184.84 | |
| promises-es2015-native.js 1300 300.89 | |
| async-es2017-native.js 1420 312.76 |
I remember reading elsewhere about this, I think when io.js was a thing. Figured I'd look it up again just as a reminder that I'm making my code less perfermant for readability sake. Didnt realize async await was so bad. I actually just read an article that promises are faster than callbacks. Thought that was humorous. I believe with promises, three functions are constructed while with callbacks, one.
It would be nice if a compiler could automatically convert promises into callbacks. I imagine this is possible with typescript so long as a function fits the definition of a CallbackOrPromise.
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yeah I think async/await native is actually slower than promises. Thanks for this data, very useful!