1. Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis, 138634 Singapore
2. Department of Materials Science and Engineering, National University of Singapore, 117576 Singapore
3. Institute of High Performance Computing, A*STAR (Agency for Science, Technology and Research), 1 Fusionopolis Way, Connexis North, 138632 Singapore
4. Department of Electrical and Computer Engineering, National University of Singapore, 117576 Singapore