Adding Support for Staged Functions in Spatial

1 SUMMARY In this project, we add a limited subset of staged functions to the Spatial hardware accelerator design language. This support includes implementation of language support for staged functions, analyses for optimizing performance and area, and generating synthesizable implementations of these staged functions. We evaluate these additions by comparing the runtime and area of a set of benchmarks compiled with the current Spatial compiler and with the modified compiler with staged functions. We show that the addition of staged functions allows us to reduce resource utilization by 1× to 2×, depending on reuse opportunities, with no performance overhead.