GridTools is a software framework used in weather and climate modeling. It provides tools and libraries for developing high-performance applications on parallel computing architectures. Key Features: Performance portability: Enables efficient execution of scientific codes on various hardware platforms (CPUs, GPUs). Stencil computations: Optimized for grid-based calculations common in weather and climate simulations. Parallel processing: Supports parallel execution across multiple processors or nodes for faster simulations. In essence, GridTools helps researchers and developers accelerate the performance of their climate models, enabling more accurate and timely predictions