add port of perf test from high-scale-lib
drwxr-xr-x - datatype
drwxr-xr-x - include
-rw-r--r-- 1905 license.txt
-rw-r--r-- 3847 makefile
drwxr-xr-x - map
drwxr-xr-x - runtime
drwxr-xr-x - test
-rw-r--r-- 1282 todo
drwxr-xr-x - txn