X-Git-Url: https://pd.if.org/git/?p=nbds;a=blobdiff_plain;f=todo;h=34efcf4c7c70de13675535f797dc3e8a1384a265;hp=9ed547fdfd6eb4faad1a05c8f89eba5dfe1d71d2;hb=0f6e9afb06b03647c4c5f2499ddab12f42b4340e;hpb=f1098084dd54496a61f9a254541190df77edd166 diff --git a/todo b/todo index 9ed547f..34efcf4 100644 --- a/todo +++ b/todo @@ -1,16 +1,29 @@ -- make rcu wait when its buffer gets full, instead of throwing an assert -+ fix makefile to compute dependency info as a side-effect of compilation (-MF) +memory manangement +------------------ +- allow threads to dynamically enter and exit rcu's token passing ring +- augment rcu with heartbeat manager to kill and recover from stalled threads +- make rcu try yielding when its buffer gets full +- alternate memory reclamation schemes: hazard pointers and/or reference counting +- seperate nbd_malloc/nbd_free into general purpose malloc/free replacement + +quality +------- +- verify the key memory management in list, skiplist, and hashtable +- transaction tests +- port perf tests from lib-high-scale +- characterize the performance of hashtable vs. skiplist vs. list +- validate function arguments in interface functions +- document usage of the library +- document algorithms + +optimization +------------ - investigate 16 byte CAS; ht can store GUIDs inline instead of pointers to actual keys -- testing, testing, testing -- support integer keys for ht -- validate arguments to interface functions -+ optimize tracing code, still too much overhead -+ use NULL instead of a sentinal node in skiplist and list -+ make the interfaces for all data structures consistent -+ make list and skiplist use string keys -+ optimize integer keys -- ht_print() -- iterators -- characterize performance of data structures -- experiment with the performance impact of not passing the hash between functions -- experiment with embedding key is the list/skiplist nodes +- shortcut from write-set to entries/nodes +- use a shared scan for write-set validation, similar to ht copy logic +- experiment with the performance impact of not passing the hash between functions in ht +- experiment with embedding the nstring keys in the list/skiplist nodes + +features +-------- +- allow values of 0 to be inserted into maps (change DOES_NOT_EXIST to something other than 0)