Bug#898941: caffe-cpu: Very different results for gpu and cpu calculations due to possibly problematic BLAS dependency

2018-05-20 Thread Sébastien Villemot
On Sat, May 19, 2018 at 12:15:21PM +, Lumin wrote: > Thank you for this bug report. I'll take a look into it. > > Sébastien, I found no code in caffe that is specific to any BLAS > implementation. Do you have any idea about the reported result variation > between netlib blas and openblas? Or

Bug#898941: caffe-cpu: Very different results for gpu and cpu calculations due to possibly problematic BLAS dependency

2018-05-19 Thread Lumin
Hi Christoph, Thank you for this bug report. I'll take a look into it. Sébastien, I found no code in caffe that is specific to any BLAS implementation. Do you have any idea about the reported result variation between netlib blas and openblas? Or do they have different level of numerical

Bug#898941: caffe-cpu: Very different results for gpu and cpu calculations due to possibly problematic BLAS dependency

2018-05-17 Thread Christoph Wiedemann
Package: caffe-cpu Severity: important Dear Maintainer, I'm getting very different results in cpu mode compared to gpu mode, when using the libblas3 (version 3.7.0-2) package. After installing the libopenblas-base package (version 0.2.19-3) the problems disappeared. I don't know whether this