HOW TO USE MPS ON SINGLE GPU
? No application modifications necessary
? Proxy process between user processes and GPU
? MPS control daemon
? Spawn MPS server upon CUDA application startup
? Setting
? export CUDA_VISIBLE_DEVICES=0
? nvidia-smi –i 0 –c EXCLUSIVE_PROCESS
? nvidia-cuda-mps-control –d
? Enabled via environment variable (for CRAY) export CRAY_CUDA_PROXY=1
原文：http://www.cnblogs.com/xingzifei/p/6135525.html