39 lines
1.7 KiB
Markdown
39 lines
1.7 KiB
Markdown
# Cythonized catch-the-pp
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An osu ctb gamemode star/pp calculator made in Cython.
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Original repo: [catch-the-pp](https://github.com/osufx/catch-the-pp) by [Sunpy](https://github.com/EmilySunpy).
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*Note: This repo is meant to be used as a Python package, not as a standalone program!*
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## Changes
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- Cythonized all files, functions, classes and methods (with static typing as well)
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- Replaced `math.pow` with `**`, this gives _a bit_ of extra speed
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- Replaced imports
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- Minor code cleaning
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## Performance
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These are the execution times after running pp calculation (with beatmap parsing and difficulty calculation as well) on `reanimate.osu` 100 times
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Pure Python version: `Min: 0.7986021041870117 s, Max: 0.932903528213501 s, Avg: 0.8350819730758667 s`
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Cythonized version: `Min: 0.22933077812194824 s, Max: 0.25774192810058594 s, Avg: 0.23836223363876344 s`
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## Compiling & Usage
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```
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$ git clone ... catch_the_pp
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$ cd catch_the_pp
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$ python3.6 setup.py build_ext --inplace
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...
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$ cd ..
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$ python3.6 -m catch_the_pp.sample
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Calculation:
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Stars: 1.9046727418899536, PP: 42.187660217285156, MaxCombo: 1286
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$ python3.6
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>>> from catch_the_pp.osu_parser.beatmap import Beatmap
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>>> from catch_the_pp.osu.ctb.difficulty import Difficulty
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>>> from catch_the_pp.ppCalc import calculate_pp
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>>> beatmap = Beatmap("catch_the_pp/test.osu")
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>>> difficulty = Difficulty(beatmap=beatmap, mods=0)
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>>> difficulty.star_rating
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1.9046727418899536
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>>> calculate_pp(diff=difficulty, accuracy=1, combo=beatmap.max_combo, miss=0)
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42.187660217285156
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```
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> Note: You must clone the repo in a folder that has no dashes in its name, because Python modules cannot have dashes in their name! In this example, `catch_the_pp` was used. |