[SPARK-7652] Performance regression in naive Bayes prediction

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.4.0
• Fix Version/s: 1.4.0
• Component/s: MLlib
• Target Version/s: 1.4.0
• Assignee: L. C. Hsieh
• Reporter: Xiangrui Meng
• Created: 15/May/15 00:16
• Updated: 19/May/15 20:53
• Resolved: 19/May/15 20:53

Description

Saw some performance regression in naive Bayes prediction. Since the multinomial code hasn't been changed since 1.3. I guess the root cause may be the breeze upgrade. So we may consider updating the implementation in prediction as well.

Issue Links

• relates to: SPARK-7612 Use BLAS in naive Bayes training
• links to: [Github] Pull Request #6189 (viirya)