BVLC/caffe — pull request #136 by kloudkl (2014-02-20 10:35:13+00:00)
Title: Synchronize GPU before CPU timers start and stop in net_speed_benchmark

This resolves the concern about timing CUDA codes in the discussions of #128.

http://devblogs.nvidia.com/parallelforall/how-implement-performance-metrics-cuda-cc/
http://docs.nvidia.com/cuda/cuda-c-best-practices-guide/#performance-metrics