On Wed, Mar 5, 2014 at 1:57 PM, DB Tsai <dbt...@alpinenow.com> wrote:
> Hi David, > > On Tue, Mar 4, 2014 at 8:13 PM, dlwh <david.lw.h...@gmail.com> wrote: > > I'm happy to help fix any problems. I've verified at points that the > > implementation gives the exact same sequence of iterates for a few > different > > functions (with a particular line search) as the c port of lbfgs. So I'm > a > > little surprised it fails where Fortran succeeds... but only a little. > This > > was fixed late last year. > I'm working on a reproducible test case using breeze vs fortran > implementation to show the problem I've run into. The test will be in > one of the test cases in my Spark fork, is it okay for you to > investigate the issue? Or do I need to make it as a standalone test? > Um, as long as it wouldn't be too hard to pull out. > > Will send you the test later today. > > Thanks. > > Sincerely, > > DB Tsai > Machine Learning Engineer > Alpine Data Labs > -------------------------------------- > Web: http://alpinenow.com/ >