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bug#21909: Segfault with eigen in R
From: |
Ricardo Wurmus |
Subject: |
bug#21909: Segfault with eigen in R |
Date: |
Wed, 2 Mar 2016 11:40:53 +0100 |
Kyle Meyer <address@hidden> writes:
> I've opened an issue in the OpenBLAS repo [1].
>
> https://github.com/xianyi/OpenBLAS/issues/703
>
> I'm trying to answer their questions, but, as is apparent in that
> thread, I'm not really familiar with debugging these sorts of problems.
> Since others are able to reproduce the error, any help over there would
> be very appreciated.
>
> [1] The last post suggested it may be an R issue rather than an OpenBLAS
> one, but I wanted to be more sure of that before going to R
> developers, especially given their comment about the --with-lapack
> flag:
>
> "Please do bear in mind that using --with-lapack is 'definitely not
> recommended': it is provided only because it is necessary on some
> platforms and because some users want to experiment with claimed
> performance improvements. Reporting problems where it is used
> unnecessarily will simply irritate the R helpers."
>
> https://cran.r-project.org/doc/manuals/r-release/R-admin.html#LAPACK
We have since removed OpenBLAS from the inputs of R and just use the
internal BLAS instead. Without OpenBLAS I cannot reproduce this bug
any more.
~~ Ricardo
- bug#21909: Segfault with eigen in R,
Ricardo Wurmus <=