The text discusses a method for improving the efficiency of software builds by implementing a "fail fast" approach, which quickly terminates builds that are destined to fail, thus saving time and resources. This process involves detecting failed builds through a continuous event-listening code, using Amazon EventBridge to listen for Buildkite webhooks that signal when a job has finished. If a job fails, the system can immediately cancel the rest of the build using the Buildkite GraphQL API, providing immediate feedback to developers. The setup involves creating an AWS EventBridge notification and associating it with an event bus, using a specific event pattern to invoke a lambda function only when necessary. This approach allows developers to see failures immediately and access detailed logs, enhancing their workflow and understanding of job failures.