apache/systemds
Jul 2025 – Jul 2025
1 Month active
Languages Used
DMLJava
Technical Skills
Compiler RewritesData ManipulationDistributed ComputingMatrix OperationsPerformance Optimization
Vi Vuong
PROFILE
Vi Vuong
Vi developed a row-wise cumulative sum function, rowcumsum, for the apache/systemds repository, focusing on both feature delivery and performance optimization. By implementing a compiler rewrite that transforms t(cumsum(t(X))) into rowcumsum(X), Vi improved runtime efficiency for a common matrix operation pattern. The work involved deep integration with DML and Java, ensuring the new function supported various execution modes and data types. This approach enhanced data manipulation throughput and analytics performance while maintaining correctness and reliability. The changes addressed a core need for faster cumulative row aggregates, demonstrating strong skills in compiler rewrites, matrix operations, and distributed computing.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
1Total
Bugs
0
Commits
1
Features
1
Lines of code
971
Activity Months1
Your Network
49 people
Work History
July 2025
1 Commits • 1 Features
Jul 1, 20252025-07 monthly summary for apache/systemds: Key feature delivery and performance optimizations with measurable business impact. Implemented the rowcumsum function for row-wise cumulative sums with cross-mode and cross-type support. Added a performance rewrite that transforms t(cumsum(t(X))) into rowcumsum(X), enabling faster execution for a common pattern across execution modes and data types. No separate bug fixes reported this month in this repo; focus was on feature delivery and reliability. The changes improve data manipulation throughput and analytics performance, while maintaining correctness across modes.
1 Commits • 1 Features
Jul 1, 20252025-07 monthly summary for apache/systemds: Key feature delivery and performance optimizations with measurable business impact. Implemented the rowcumsum function for row-wise cumulative sums with cross-mode and cross-type support. Added a performance rewrite that transforms t(cumsum(t(X))) into rowcumsum(X), enabling faster execution for a common pattern across execution modes and data types. No separate bug fixes reported this month in this repo; focus was on feature delivery and reliability. The changes improve data manipulation throughput and analytics performance, while maintaining correctness across modes.
July 2025
Activity
Loading activity data...
Quality Metrics
Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
DMLJava
Technical Skills
Compiler RewritesData ManipulationDistributed ComputingMatrix OperationsPerformance Optimization
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline