Long time for umwrapping snaphu

Hello everyone, my name is Fernando Monterroso, I’m write from Colombia, I need you help me to resolve a problem related to unwrapping step, I have the interferogram of central part of Colombia, for deformation studies of volcanos. I am working to interferometric tutorial of ESA with sentinel 1A. And export the phase to unwrapping in snaphu, my computer take long time and no show me to unwrapping phase. I want to ask if the same problem happened to you, and if there is some other way to generate faster phase unrolled on a computer 6GB of RAM.