Allow batch size in run_single_process
Allow batch size in run_single_process


Former-commit-id: 4d87c4188126659b69b426b6014728a202cbcfd8
clab/cnn,danielhers/dynet,clab/dynet,shuheik/dynet,shuheik/dynet,shuheik/dynet,clab/dynet,xunzhang/dynet,chunyang-wen/dynet,danielhers/dynet,clab/dynet,danielhers/dynet,chunyang-wen/dynet,clab/cnn,danielhers/dynet,xunzhang/dynet,xunzhang/dynet,chunyang-wen/dynet,danielhers/dynet,xunzhang/dynet,danielhers/dynet,clab/dynet,shuheik/dynet,clab/cnn,chunyang-wen/dynet,danielhers/dynet,shuheik/dynet,clab/dynet,clab/dynet,clab/dynet,shuheik/dynet,shuheik/dynet