[SYSTEMDS-1970] Performance conv2d backward

• Type: Task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: SystemML 1.0.0
• Assignee: Matthias Boehm
• Reporter: Matthias Boehm
• Created: 22/Oct/17 03:38
• Updated: 30/Nov/17 22:15
• Resolved: 30/Nov/17 22:15

Description

This task aims to improve the performance of conv2d_backward_filter operations:

• Remove unnecessary overheads for dense conv2d_backward_filter
• Implement conv2d_backward_filter with sparse filter and matrix multiply