[MAHOUT-1578] Optimizations in matrix serialization

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.10.0
• Component/s: classic
• Labels: legacy
• Assignee: Sebastian Schelter
• Reporter: Sebastian Schelter
• Created: 11/Jun/14 07:29
• Updated: 31/Jan/24 22:16
• Resolved: 28/Mar/15 17:11

Description

MatrixWritable contains inefficient code in a few places:

• type and size are stored with every vector, although they are the same for every vector
• in some places vectors are added to the matrix via assign() in places where we could directly use the instance