Complex sentence: Titan is available for any purpose; however, selection for time on the computer depends on the importance of the project and potential to fully utilise the hybrid architecture but the code must be executable on other supercomputers to avoid dependence solely on Titan.
Split into simpler sentences: Titan is available for any purpose; however, selection for time on the computer depends on the importance of the project and its potential to fully utilise the hybrid architecture. Any selected code must also be executable on other supercomputers to avoid dependence solely on Titan.