https://github.com/nschloe/vector-scale-cpp

https://github.com/nschloe/vector-scale-cpp

Last synced: 22 days ago
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• Host: GitHub
• URL: https://github.com/nschloe/vector-scale-cpp
• Owner: nschloe
• Created: 2015-02-07T16:53:04.000Z (almost 10 years ago)
• Default Branch: master
• Last Pushed: 2015-02-07T16:59:35.000Z (almost 10 years ago)
• Last Synced: 2024-10-10T09:09:48.802Z (about 1 month ago)
• Language: C++
• Size: 117 KB
• Stars: 0
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
Trying a bunch of vector scaling methods for C++.

Typical output on a  i5-2415M CPU @ 2.30GHz:

 * `-O0`

```

custom scaling: 0.005417 s

cblas scaling:  0.001854 s

uBLAS scaling:  0.023705 s

```

 * `-O1`

```

custom scaling: 0.002454 s

cblas scaling:  0.003001 s

uBLAS scaling:  0.003071 s

```

 * `-O2`

```

custom scaling: 0.002567 s

cblas scaling:  0.002439 s

uBLAS scaling:  0.002279 s

```

 * `-O3`

```

custom scaling: 0.001896 s

cblas scaling:  0.003405 s

uBLAS scaling:  0.001726 s

```