The Nvidia GPUs that fulfill the following requirements may be enabled for simulations:
• capable of running CUDA 9.2 code
• at least 4 GB of free memory
To enable such GPUs, set the environment variable CST HWACC ALLOW UNVERIFIED HARDWARE
= 1. Then all eligible installed and visible Nvidia GPUs will be considered for computation.
You can limit the visible devices by using the environment variable CUDA VISIBLE DEVICES.
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如果你已升级到CST 2019的版次? 那么...只要是Nvidia的GPU带有CUDA的 GTX-580直到GTX1080、RTX20x0...都能使用GPU加速计算。(当然有Tesla、Quadro更好!)
环境变量中加入;
CST_HWACC_ALLOW_ NVERIFIED_HARDWARE =1 (注意!变量叙述中的下横线_必须要有!)
CUDA_VISIBLE_DEVICES =0 (只有一张卡? 缺省位置就是0,两张以上可以绑定最强的那张,但要注意最强的那张未必是0,有可能是1、或2;第一张0、第二张1、第三张2....)