[SYSTEMDS-1836] Large GC overhead for scripts w/ row-wise generated operators.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: SystemML 0.15
• Epic Link: Code generation for operator fusion
• Assignee: Matthias Boehm
• Reporter: Matthias Boehm
• Created: 11/Aug/17 02:53
• Updated: 27/Oct/17 05:00
• Resolved: 15/Aug/17 20:04

Description

This task aims to improve the unnecessary large garbage collection overhead for scripts with many row-wise fused operators. For example, Kmeans and Mlogreg over 10M x 10 inputs show GC overheads of 102s and 37s, respectively.