How ML Challenges Software Engineering

Traditional software engineering methods have been designed and optimized to help (teams of) developers to build high-quality software in a controlled and cost-effective manner. When building software systems that include Machine Learning (ML) components, those traditional software engineering method are challenged by three distinctive characteristics: ML components insert a new kind of into software systems. While software developers and architects are used to design, build, and test their systems to be able to deal with external factors of uncertainty (network latency, unpredictable user behavior, unreliable hardware), they must now deal with components that behave in a non-deterministic fashion. ML components map inputs to outputs in a fashion. Take for instance an image-recognition component, that categorizes the input as a cat or a dog, with a certain level of probability, rather than having a crisp outcome. Inherent uncertainty: uncertainty internal probabilistic The behavior of ML components is only very partially determined by the logic that a programmer writes. Instead, behavior is . This huge dependence on (large volumes of) data, already early in the development stage, changes the development and deployment processes in fundamental ways. Data cleaning, versioning, and wrangling become essential parts of the development cycle. Also in the deployment stage, new challenges arise, such as the need to monitor the (statistical) characteristics of production data versus training data. Data-driven behavior: learned from data : Development of ML components is strongly experiment based, where different ML models and different sets of parameters are attempted and evaluated in rapid succession and often in parallel, in order to continuously optimize behavior. This puts the iterative nature of agile software development in over-drive. Where sprints may take 2 to 3 weeks, ML experiments are sometimes initiated, evaluated, and then discarded or adopted within hours. Rapid experimentation Researchers in the field of software engineering have begun to study the impact of these challenges. In the project, we have taken the approach of creating a employed by ML teams and advocated for by ML engineering practitioners and researchers. Software Engineering for Machine Learning (SE4ML ) catalog of engineering practices So far, our catalog consists of engineering practices, in 6 different , ranging from data management, through model deployment, to governance. We also provide data on how these practices influence team , and various requirements for . 45 categories effectiveness, software quality, traceability trustworthy AI Do you want to know how you and your team are doing on those practices? Take our 10-minute survey. The survey is anonymous, but if you leave your contact information in the last question, we’ll get back to you with a . team benchmark report ➽ Take the 10-minute survey: https://se-ml.github.io/survey Also published at https://jstvssr.medium.com/3-reasons-ml-disrupts-traditional-software-engineering-6adaf7596595

How ML Challenges Software Engineering

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