- make rcu wait when its buffer gets full, instead of crashing
- fix makefile to compute dependency info as a side-effect of compilation (-MF)
-- investigate 16 byte CAS
- - ht can store GUIDs inline instead of pointers to actual keys
- - mem can keep tail pointers for free-lists and do O(1) appends
+- investigate 16 byte CAS; ht can store GUIDs inline instead of pointers to actual keys
- test ht
-- optimize tracing code, still too much overhead
++ optimize tracing code, still too much overhead
+- use NULL instead of a sentinal node in skiplist and list
+- make interfaces for all data structures consistent