Let us know how I went, I'm pretty interested to see how well our stuff integrates with Spark, especially since Spark is in the process of joining Apache.
-sebastian On 19.06.2013 03:14, Dmitriy Lyubimov wrote: > Hello, > > so i finally got around to actually do it. > > I want to get Mahout sparse vectors and matrices (DRMs) and rebuild some > solvers using spark and Bagel /scala. > > I also want to use in-core solvers that run directly on Mahout. > > Question #1: which mahout artifacts are better be imported if I don't want > to pick the hadoop stuff dependencies? Is there even such a separation of > code? I know mahout-math seems to try to avoid being hadoop specfic but not > sure if it is followed strictly. > > Question #2: which in-core solvers are available for Mahout matrices? I > know there's SSVD, probably Cholesky, is there something else? In > paticular, i need to be solving linear systems, I guess Cholesky should be > equipped enough to do just that? > > Question #3: why did we try to import Colt solvers rather than actually > depend on Colt in the first place? Why did we not accept Colt's sparse > matrices and created native ones instead? > > Colt seems to have a notion of parse in-core matrices too and seems like a > well-rounded solution. However, it doesn't seem like being actively > supported, whereas I know Mahout experienced continued enhancements to the > in-core matrix support. > > Thanks in advance > -Dmitriy >
