https://github.com/stackbuilders/reverse
The Obverse and Reverse blog post.
https://github.com/stackbuilders/reverse
Last synced: 21 days ago
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The Obverse and Reverse blog post.
- Host: GitHub
- URL: https://github.com/stackbuilders/reverse
- Owner: stackbuilders
- Created: 2015-01-08T14:14:53.000Z (about 11 years ago)
- Default Branch: master
- Last Pushed: 2015-06-04T16:49:46.000Z (over 10 years ago)
- Last Synced: 2025-01-23T04:32:37.580Z (about 1 year ago)
- Language: HTML
- Homepage:
- Size: 445 KB
- Stars: 0
- Watchers: 5
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# Obverse and Reverse
[![Build Status][build-status-image]][build-status]
> Obverse, or reverse, I can make nothing out of it.
—Mohi
```
git clone https://github.com/stackbuilders/reverse.git
cd reverse/
```
```
cabal sandbox init
```
```
cabal install --only-dependencies --enable-tests --enable-benchmarks
cabal configure --enable-tests --enable-benchmarks
cabal build
```
## Tests
Run all tests in the test suite:
```
cabal test doctests
```
## Benchmarks
Finally, run all (`cabal bench`) or specific benchmarks.
First, run the clock benchmarks:
```
$ cabal bench clock-benchmarks
...
Benchmark clock-benchmarks: RUNNING...
obverse versus reverse/10000000...
obverse/1... 3.63 s
reverse/1... 1.85 s
obverse/2... 4.44 s
reverse/2... 1.33 s
obverse/3... 3.30 s
reverse/3... 2.27 s
obverse/4... 3.22 s
reverse/4... 2.14 s
obverse/5... 3.38 s
reverse/5... 1.32 s
Benchmark clock-benchmarks: FINISH
```
Second, run the criterion benchmarks:
```
cabal bench criterion-benchmarks
...
Benchmark criterion-benchmarks: RUNNING...
benchmarking obverse versus reverse/100/obverse
time 35.82 μs (35.34 μs .. 36.44 μs)
0.998 R² (0.998 R² .. 0.999 R²)
mean 36.06 μs (35.66 μs .. 36.50 μs)
std dev 1.406 μs (1.218 μs .. 1.591 μs)
variance introduced by outliers: 43% (moderately inflated)
benchmarking obverse versus reverse/100/reverse
time 919.8 ns (912.1 ns .. 930.7 ns)
0.999 R² (0.998 R² .. 0.999 R²)
mean 936.5 ns (925.9 ns .. 949.1 ns)
std dev 40.75 ns (35.83 ns .. 44.23 ns)
variance introduced by outliers: 60% (severely inflated)
benchmarking obverse versus reverse/1000/obverse
time 5.994 ms (5.934 ms .. 6.050 ms)
1.000 R² (0.999 R² .. 1.000 R²)
mean 5.987 ms (5.964 ms .. 6.021 ms)
std dev 81.83 μs (58.04 μs .. 130.1 μs)
benchmarking obverse versus reverse/1000/reverse
time 9.551 μs (9.495 μs .. 9.633 μs)
1.000 R² (0.999 R² .. 1.000 R²)
mean 9.510 μs (9.490 μs .. 9.558 μs)
std dev 92.05 ns (52.81 ns .. 165.5 ns)
benchmarking obverse versus reverse/10000/obverse
time 1.520 s (1.499 s .. 1.537 s)
1.000 R² (1.000 R² .. 1.000 R²)
mean 1.518 s (1.514 s .. 1.520 s)
std dev 3.648 ms (0.0 s .. 4.206 ms)
variance introduced by outliers: 19% (moderately inflated)
benchmarking obverse versus reverse/10000/reverse
time 133.6 μs (133.1 μs .. 134.4 μs)
1.000 R² (0.999 R² .. 1.000 R²)
mean 134.7 μs (133.9 μs .. 136.1 μs)
std dev 3.611 μs (2.359 μs .. 5.243 μs)
variance introduced by outliers: 22% (moderately inflated)
Benchmark criterion-benchmarks: FINISH
```
[build-status]: https://travis-ci.org/stackbuilders/reverse
[build-status-image]: https://travis-ci.org/stackbuilders/reverse.svg?branch=master