Dear all, I got a server computer equipped with two 8 core cpus. I installed intel fortran compiler (12.1) and openmpi (1.6.5). No errors took place during installation. Then I compiled parallel quantum esspresso (5.2.0) and the program run correctly. However, I found pw.x runs at very similar speed with 8 cores or 16 cores. Could any expert show me how to improve the calculation speed?
The make.sys file is attached. Thanks in advance. Shaofeng -------------------------------------- Shaofeng Wang, Ph.D of Geochemistry Environmental Molecular Science Group Institute of Applied Ecology, Chinese Academy of Sciences Shenyang, 110016, China [email protected] www.iae.cas.cn
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make.sys
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