SESSION ON-DEMAND

All Things P99

The event for developers who care about P99 percentiles and high-performance, low-latency applications

Using Change Point Detection to Fight Noisy Benchmark Results

Discovering performance regressions in modern systems is tough due to inevitable noise. Change Point Detection (CPD) algorithms are gaining traction for tackling this challenge. This talk covers how CPD works and shares examples of real regressions found in open source projects. 

16 minutes
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Matt Fleming, Co-Founer & CTO at Nyrkiö Oy

Matt is the co-founder and CTO of Nyrkiö, a company that wants to arm every developer with the tools to understand the performance of their code. He has spent over 15 years working on low-level, high-performance systems and was previously the maintainer for the Linux kernel EFI subsystem while at Intel and SUSE. Most recently, Matt has focused on the performance of distributed systems and databases including leading a globally distributed team of engineers that contributed significant performance changes to the Apache Cassandra 5.0 release. He has co-authored papers on performance change detection and distributed systems testing and served on the ACM/SPEC ICPE program committee. Matt can often be found on Twitter, discussing topics such as software performance, benchmarking and statistics.