Embodiments of the invention provide techniques that improve resource management on a massively parallel computing system having a plurality of hybrid compute nodes. For example, a job scheduler may be provided which determines a library to link to an application based on system and user requirements. In one embodiment, the libraries may provide optimizations for job execution time, and also provide optimizations directed towards a specific processor architecture. Once the library is determined, the job scheduler may configure the environment of the application so that the application links with the optimized library during run-time. Doing so may improve overall system performance of the massively parallel computing system.