Authors: Tobias Landsberg and Johannes Grunenberg, Leibniz Universität Hannover; Christian Dietrich, Technische Universität Braunschweig; Daniel Lohmann, Leibniz Universität HannoverAbstract: Compilation caches (CCs) save time, energy, and money by avoiding redundant compilations. They are provided by means of compiler wrappers (Ccache, sccache, cHash) or native build system features (Bazel, Buck2). Conceptually, a CC pays off if the achieved savings by cache hits outweigh the extra costs for ca...