Performance Evaluation of Multithreaded Geant4 Simulations Using an Intel Xeon Phi Cluster

Figure 3

Computing time in minutes of TestEm12 Geant4 example running on 1 Xeon thread (blue) and 1 Phi thread (green) coprocessors for generated source particles going from 10³ to 10⁷. Speedup (red) is indicated for each number of particles.