merge master#277

Merged

SparkSnail merged 2 commits intoSparkSnail:masterfrom microsoft:master

Dec 2, 2020

+579-148

Commits on Nov 30, 2020

fix checkpoint load error and stop updating paramters in evaluation stage (#3124 )
eedalong
authored
experiment management backend (#3081 )

J-shang
and
Ning Shang
authored