Discover how JetBrains significantly improved IntelliJ IDEA's indexing speed in this one-hour conference talk by Eugene Petrenko. Learn about the fundamentals of indexing in IntelliJ IDEA, its importance for smart features, and the innovative techniques used to share indexes and reduce indexing time. Explore the experiments and outcomes that led to halving the indexing time for the IntelliJ IDEA codebase. Gain practical insights on applying these improvements to your own projects, enhancing your development workflow. Delivered by Eugene Petrenko, an experienced IntelliJ IDEA software developer at JetBrains with a Ph.D. in computer science, this talk offers valuable knowledge for developers seeking to optimize their IDE performance.