GraalVM
GraalVM is a high-performance runtime that provides significant improvements in application performance and efficiency by supporting multiple programming languages and execution modes. It includes a just-in-time (JIT) compiler, an ahead-of-time (AOT) compiler for native image generation, and polyglot capabilities, allowing seamless interoperability between languages like Java, JavaScript, Python, Ruby, and R. Developed by Oracle, it is designed to optimize resource usage and speed for both microservices and large-scale applications.
Developers should learn GraalVM when building high-performance, polyglot applications that require low latency and reduced memory footprint, such as cloud-native microservices, serverless functions, or data processing pipelines. It is particularly useful for Java applications seeking faster startup times and lower memory usage through native image compilation, and for projects that integrate multiple languages, enabling efficient cross-language calls without heavy overhead.