perf(switchMapTo): remove tryCatch/errorObject (~2x improvement) #1306
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Results on a Intel Core i7-3770 (Ivy Bridge) running Ubuntu:
| RxJS 4.0.7 | RxJS 5.0.0-beta.1 | factor | % improved
--------------------------------------------------------------------------------------------------
switchmapto-resultselector - immediate | 1,695 (±1.02%) | 12,229 (±1.15%) | 7.21x | 621.3%
switchmapto - immediate | 2,910 (±0.80%) | 32,560 (±0.99%) | 11.19x | 1,018.8%
switchmapto-resultselector | 2,621 (±0.87%) | 12,473 (±0.49%) | 4.76x | 375.9%
switchmapto | 3,300 (±2.11%) | 15,433 (±0.57%) | 4.68x | 367.7%
| } else { | ||
| destination.next(innerValue); | ||
| } | ||
| } | ||
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| private trySelectResult(outerValue: T, innerValue: R, |
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Small thing: can this be tryResultSelector since it matches up to resultSelector?
Before:
| RxJS 4.0.7 | RxJS 5.0.0-beta.1 | factor | % improved
--------------------------------------------------------------------------------------------------
switchmapto-resultselector - immediate | 1,695 (±1.02%) | 12,229 (±1.15%) | 7.21x | 621.3%
switchmapto - immediate | 2,910 (±0.80%) | 32,560 (±0.99%) | 11.19x | 1,018.8%
switchmapto-resultselector | 2,621 (±0.87%) | 12,473 (±0.49%) | 4.76x | 375.9%
switchmapto | 3,300 (±2.11%) | 15,433 (±0.57%) | 4.68x | 367.7%
After:
| RxJS 4.0.7 | RxJS 5.0.0-beta.1 | factor | % improved
--------------------------------------------------------------------------------------------------
switchmapto-resultselector - immediate | 1,645 (±2.07%) | 28,788 (±5.21%) | 17.50x | 1,650.5%
switchmapto - immediate | 3,056 (±0.65%) | 31,656 (±1.17%) | 10.36x | 936.0%
switchmapto-resultselector | 2,793 (±0.54%) | 14,322 (±1.15%) | 5.13x | 412.7%
switchmapto | 3,381 (±4.13%) | 15,969 (±3.86%) | 4.72x | 372.2%
luisgabriel
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@Blesh done. |
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LGTM |
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Merged with c8cf72a, thanks @luisgabriel |
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This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs. |
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