Comments (6)
matAtWork
commented on August 21, 2024
I'd really like to find out. Is it possible to get a bit more of the stack trace?
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Rush
commented on August 21, 2024
Unfortunately there is no more stacktrace.
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MatAtBread
commented on August 21, 2024
Can you provide a minimal case that produces the same message?
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matAtWork
commented on August 21, 2024
If you can pin this down to a minimal case, please let me know, otherwise I'll close it in a day or two as not-reproducible. Thanks.
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Rush
commented on August 21, 2024
Weirdly enough, after applying the fix from #29 this issue went away. Sorry for not providing a small reproducible test-case as it was not trivial. I will re-open this issue if stumble upon this problem again.
Thanks for all the good work and have a great weekend.
PS. I'm getting about 4x speed up vs babel+bluebird for some recurring operations in my application. Great project. :)
PS2. I also quickly benchmarked native async/await in Node 7 and it appears it's around 10% slower than babel+bluebird. It appears fast-async will not stop being relevant.
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matAtWork
commented on August 21, 2024
Yep, still a long way to go to get generators faster. With node v7, raw performance results still favour nodent by about 3 times:
node --harmony-async-await ./nodent.js tests tests/semantics/perf.js
Total compile time: 214ms
- Test: perf using promiscuous
{es7:true} nodent native bluebird rsvp when promisejs.org promiscuous
Compiler flags Mean 159 413 576 539 443 445 406 929
lazyThenables,es7 100 100 - - - - - - -
es7 143 143 - - - - - - -
lazyThenables,wrapAwait,es7 223 223 - - - - - - -
wrapAwait,es7 170 170 - - - - - - -
promises 374 - 148 542 386 255 238 154 893
promises,noRuntime 335 - 123 497 339 214 195 133 846
wrapAwait,promises 502 - 181 534 448 256 268 177 1652
wrapAwait,promises,noRuntime 442 - 161 495 393 217 222 155 1450
generators 779 - 802 767 846 704 711 684 936
wrapAwait,generators 831 - 658 773 863 701 725 682 1414
engine,promises 525 - 519 536 532 519 520 514 533
engine,promises,noRuntime 524 - 513 533 531 521 521 526 526
engine,wrapAwait,promises 522 - 514 536 522 520 519 517 524
ine,wrapAwait,promises,noRuntime 525 - 513 544 528 521 531 522 516
Benchmark execution time: 0.860078 ms
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Related Issues (20)
- SyntaxError: Strict mode does not allow function declarations in a lexically nested statement HOT 1
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- Babel 7 version ignoring options? HOT 1
- Add support for alternative Promise implementations HOT 1
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