Vijay Sundaresan

Vijay Sundaresan is Lead Performance Architect at the IBM Runtimes Technology Center responsible for Java/Node/Swift runtime performance

Posts from this devCenter

Measuring Java performance (or Jack starts a taxi business): Part 2

Response time, memory footprint, and scalability In the previous article, Jack considered buying a new car for his taxi business and looked at how long...

Measuring Java performance (or Jack starts a taxi business): Part 1

Startup time, ramp-up time, and throughput You’ve probably heard those jokes that start, “If my car behaved like software…” – including that infamous exchange between...

IBM SDK for Java performance optimizations: part three

In the previous article we focused on memory management, providing information about the garbage collection policies that can be used for different workloads. We also...

IBM SDK for Java performance optimizations: part two

In the last article we provided a high level overview of the IBM J9 JVM architecture and looked at how the JIT compiler optimizes machine...

IBM SDK for Java performance optimizations: part one

Java performance optimization is of interest to developers and IT specialists alike. In a series of articles we will help you understand many of the...

How the JIT compiler can exploit SIMD and GPU for Spark workloads

Project Tungsten aims to boost the performance of the Apache Spark execution engine by fully exploiting hardware capabilities. Several related changes that have been implemented...

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