控制显卡优先级gpu affinity via tops

setting up gpu affinity in tops is pretty straightforward. just need to set the REDSHIFT_GPUDEVICES env variable to the right GPU ID and off you go
谷歌翻译：
在顶部设置 gpu 亲和力非常简单。只需将 REDSHIFT_GPUDEVICES 环境变量设置为正确的 GPU ID 即可