improved perf_test to measure steady state behavior
improved skiplist random level selection
added buitin random number generator; some platforms don't provide a good one
improved heuristics for hashtable resize
- [DH] include/common.h
- [DH] include/hashtable.h
- [DH] include/list.h
- [DH] include/map.h
- [DH] include/runtime.h
- [DH] include/skiplist.h
- [DH] makefile
- [DH] map/hashtable.c
- [DH] map/list.c
- [DH] map/map.c
- [DH] map/skiplist.c
- [DH] map/unsafe_skiplist.c
- [DH] perf.sh
- [DH] runtime/mem.c
- [DH] runtime/rcu.c
- [DH] runtime/runtime.c
- [DH] test/perf_test.c