Presentation: The quest for low-latency with concurrent Java
Location:
- Churchill, G flr.
Duration
Day of week:
- Tuesday
Key Takeaways
- Hear how Martin has applied the Scientific Method to algorithmic studies in concurrency, and learn some of the best ways to apply his lessons in your everyday work.
- Learn algorithms directly from someone who has been in the trenches fighting (and winning against) concurrency on the JVM for ten years.
- See first hand how subtle changes to underlying algorithms directly affect performance in live demos and code.
Abstract
Concurrent programming with locks is hard. Concurrent programming without locks can be really hard. Concurrent programming with relaxed memory ordering and predictable latency is said to be only for wizards. This talk focuses on a decade long quest to discover algorithms which provide very high throughput while keeping latency low and predictable. Additionally, these algorithms and data structures need to provide real-time telemetry on how a system is performing via non-blocking operations.
We will cover some fundamental theory of concurrency and then compare various approaches to the same problem so that we can measure the impact on latency. We'll also show how some of these algorithm implementations get more interesting given the new features in Java 8.
This talk is aimed at programmers interested in advanced concurrency who want to develop algorithms with predictable response times at all levels of throughput which push our modern CPUs to the limit.
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