shogun-toolbox/shogun — pull request #2196 by lambday (2014-04-30 12:44:06+00:00)
Title: added kernel matrix sum benchmark - CKernel::kernel calls vs Eigen3::sum

@karlnapf this is rather interesting. Tested with Eigen3 sum operation and the results are amazing.
```
mean 0.062113	var 0.000003
mean 0.000557	var 0.000000
```