jianbosun a878ece032 change memory usage display
using standard unix postfixes add unit test for display
also change doc for memory usage display change
for example GiB will be GB

Signed-off-by: Sun Jianbo <wonderflow@zju.edu.cn>
2017-06-02 00:06:54 +00:00
..
2017-06-02 00:06:54 +00:00
2017-06-02 00:06:19 +00:00