this has been covered by drwWrap() signature from the very beginning. I vote this as non-issue.
On Sun, Oct 2, 2016 at 11:51 PM, Sebastian Schelter (JIRA) <[email protected]> wrote: > Sebastian Schelter created MAHOUT-1884: > ------------------------------------------ > > Summary: Allow specification of dimensions of a DRM > Key: MAHOUT-1884 > URL: https://issues.apache.org/jira/browse/MAHOUT-1884 > Project: Mahout > Issue Type: Improvement > Affects Versions: 0.12.2 > Reporter: Sebastian Schelter > Assignee: Sebastian Schelter > Priority: Minor > > > Currently, in many cases, a DRM must be read to compute its dimensions > when a user calls nrow or ncol. This also implicitly caches the > corresponding DRM. > > In some cases, the user actually knows the matrix dimensions (e.g., when > the matrices are synthetically generated, or when some metadata about them > is known). In such cases, the user should be able to specify the dimensions > upon creating the DRM and the caching should be avoided. > > > > -- > This message was sent by Atlassian JIRA > (v6.3.4#6332) >
