81 lines
2.7 KiB
Markdown
81 lines
2.7 KiB
Markdown
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## Benchmark
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```bash
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cd bench
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node wordpos-bench.js
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```
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### Version 1.0 Benchmark
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The following benchmarks were run on a Win8.1/Core i7/3.5GHz machine on a Seagate 500GB SATA II, 7200 RPM disk. The corpus was a 512-word text, with stopwords and duplicates removed, resulting in 220 words looked-up.
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#### Pre v0.14 (comparable to Natural)
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```
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getPOS : 1 ops/s { iterations: 1, elapsed: 1514 }
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getNouns : 2 ops/s { iterations: 1, elapsed: 409 }
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getVerbs : 2 ops/s { iterations: 1, elapsed: 418 }
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getAdjectives : 3 ops/s { iterations: 1, elapsed: 332 }
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getAdverbs : 4 ops/s { iterations: 1, elapsed: 272 }
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lookup : 1 ops/s { iterations: 1, elapsed: 1981 }
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lookupNoun : 0 ops/s { iterations: 1, elapsed: 2016 }
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looked up 220 words
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done in 7770 msecs
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```
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#### v0.1.16 (with fastIndex):
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```
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getPOS : 11 ops/s { iterations: 1, elapsed: 90 }
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getNouns : 21 ops/s { iterations: 1, elapsed: 47 }
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getVerbs : 53 ops/s { iterations: 1, elapsed: 19 }
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getAdjectives : 29 ops/s { iterations: 1, elapsed: 34 }
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getAdverbs : 83 ops/s { iterations: 1, elapsed: 12 }
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lookup : 1 ops/s { iterations: 1, elapsed: 720 }
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lookupNoun : 1 ops/s { iterations: 1, elapsed: 676 }
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looked up 220 words
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done in 2459 msecs
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```
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#### v1.0:
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```
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getPOS : 14 ops/s { iterations: 1, elapsed: 73 }
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getNouns : 26 ops/s { iterations: 1, elapsed: 38 }
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getVerbs : 42 ops/s { iterations: 1, elapsed: 24 }
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getAdjectives : 24 ops/s { iterations: 1, elapsed: 42 }
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getAdverbs : 26 ops/s { iterations: 1, elapsed: 38 }
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lookup : 6 ops/s { iterations: 1, elapsed: 159 }
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lookupNoun : 13 ops/s { iterations: 1, elapsed: 77 }
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looked up 221 words
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done in 1274 msecs
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```
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These are **3.5x** better compared to v0.1.16 and **15x** better compared to pre v0.14, overall. Functions that read the data files see much improved performance: `lookup` about **13x** and `lookupNoun` **26x** compared to pre v0.14.
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### Old benchmark
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512-word corpus (< v0.1.4, comparable to Natural) :
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```
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getPOS : 0 ops/s { iterations: 1, elapsed: 9039 }
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getNouns : 0 ops/s { iterations: 1, elapsed: 2347 }
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getVerbs : 0 ops/s { iterations: 1, elapsed: 2434 }
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getAdjectives : 1 ops/s { iterations: 1, elapsed: 1698 }
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getAdverbs : 0 ops/s { iterations: 1, elapsed: 2698 }
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done in 20359 msecs
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```
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512-word corpus (as of v0.1.4, with fastIndex) :
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```
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getPOS : 18 ops/s { iterations: 1, elapsed: 57 }
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getNouns : 48 ops/s { iterations: 1, elapsed: 21 }
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getVerbs : 125 ops/s { iterations: 1, elapsed: 8 }
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getAdjectives : 111 ops/s { iterations: 1, elapsed: 9 }
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getAdverbs : 143 ops/s { iterations: 1, elapsed: 7 }
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done in 1375 msecs
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```
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220 words are looked-up (less stopwords and duplicates) on a win7/64-bit/dual-core/3GHz. getPOS() is slowest as it searches through all four index files.
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