Like all things, it's not a panacea: https://blog.flameeyes.eu/2010/07/debunking-ccache-myths-redux https://blog.flameeyes.eu/2010/07/debunking-ccache-myths-red

Like all things, it's not a panacea: https://blog.flameeyes.eu/2010/07/debunking-ccache-myths-redux https://blog.flameeyes.eu/2010/07/debunking-ccache-myths-red... Of course, if you're rebuilding the same code over and over it can be a net win, but -in the comments- it is mentioned that the obvious things -that one might end up doing somewhat frequently in C/C++ development- invalidate the cache.