6 Responses

  1. Tal Galili
    Tal Galili April 21, 2014 at 3:03 AM |

    Hello Avraham,
    How easy is it to compile R on Windows in the settings you propose?

    In the installr package (link: https://github.com/talgalili/installr)
    I have added the function:
    install.RTools

    And would be happy to add another function that would make it easy for users to compile their own R version.
    Are you interested in helping out with making such a function?

    Yours,
    Tal


    1. Avraham
      Avraham April 23, 2014 at 12:59 AM |

      Sure, but I’m not sure how to bootstrap the compilation of R from a pre-existing version of R. The R installation and administration manual does the best job of describing how to compile R under Windows, and I describe how to compile R with OpenBLAS in this post. Please e-mail me with details as to how I could help. Thanks!


      1. Tal Galili
        Tal Galili April 23, 2014 at 7:54 AM |

        Hi Avraham,
        Your post looks great in how detailed it is.

        If I understand correctly, the general steps needed are basically: detecting which files to download (requires to download the page and locate the relevant links), download them (install.URL from installr), run them using “system”, and then locating and modify some files.

        All can be done from R (as I’ve done in the updateR function, and some other functions), but it would take a lot of work.
        Hence, I doubt I would go through the steps to make it happen. But if you (or someone else) would be interested in wrapping some R functions for getting these to work – I’d be happy to integrate it into the installr package.
        I guess a first step would be to write a “install.OpenBLAS function”.

        What do you think?

        Tal


        1. Avraham
          Avraham April 25, 2014 at 10:19 AM |

          I agree, I think it would require a lot of work for not-so-much gain as there needs to be significant customization. Thanks!


  2. Andrea
    Andrea April 22, 2014 at 7:26 AM |

    Will you provide the code to reproduce this results?


    1. Avraham
      Avraham April 23, 2014 at 1:14 AM |

      Sure. I’ve updated the R tips page to have both matrices in .csv format, the code used for the second set of tests is in the above posts, and the code used for the first set of tests is:

      Although, I’d run these with block-ordering as well now, too. Of course, unless you’re using the same machine and same overclocking, I’d expect different timings. Hope that helps.


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