open Format
open Misc
+type stats = { run : int;
+ tree_size : int;
+ cache2_access : int;
+ cache2_hit : int;
+ cache5_access : int;
+ cache5_hit : int;
+ }
+
+let cache2_hit = ref 0
+let cache2_access = ref 0
+let cache5_hit = ref 0
+let cache5_access = ref 0
+let reset_stat_counters () =
+ cache2_hit := 0;
+ cache2_access := 0;
+ cache5_hit := 0;
+ cache5_access := 0
+
+
module Make (T : Tree.S) =
struct
IFDEF HTMLTRACE
THEN
-DEFINE TRACE(e) = (e)
+DEFINE IFTRACE(e) = (e)
ELSE
-DEFINE TRACE(e) = ()
+DEFINE IFTRACE(e) = ()
END
let html tree node i config msg =
let config = config.NodeStatus.node in
- Html.trace (T.preorder tree node) i
- "node: %i<br/>%s<br/>sat: %a<br/>todo: %a<br/>round: %i<br/>"
- (T.preorder tree node)
- msg
- StateSet.print config.sat
- StateSet.print config.todo
- i
+ Html.trace ~msg:msg
+ (T.preorder tree node) i
+ config.todo
+ config.sat
+
let debug msg tree node i config =
let get_form cache2 auto tag q =
let phi =
+ incr cache2_access;
Cache.N2.find cache2 (tag.QName.id :> int) (q :> int)
in
if phi == dummy_form then
(tag.QName.id :> int)
(q :> int) phi
in phi
- else phi
+ else begin
+ incr cache2_hit;
+ phi
+ end
type trivalent = False | True | Unknown
let of_bool = function false -> False | true -> True
(* Define as macros to get lazyness *)
DEFINE OR_(t1,t2) =
- let __t1 = (t1) in
match t1 with
False -> (t2)
| True -> True
| Unknown -> if (t2) == True then True else Unknown
DEFINE AND_(t1,t2) =
- let __t1 = (t1) in
match t1 with
False -> False
| True -> (t2)
let ssid = (ss.NodeStatus.id :> int) in
let tagid = (tag.QName.id :> int) in
let res = Cache.N5.find cache5 tagid ssid fcsid nssid psid in
- if res != dummy_status then res
+ incr cache5_access;
+ if res != dummy_status then begin incr cache5_hit; res end
else let new_status = loop ss in
Cache.N5.add cache5 tagid ssid fcsid nssid psid new_status;
new_status
let top_down run =
+ let _i = run.pass in
let tree = run.tree in
let auto = run.auto in
let status = run.status in
}
else c
in
- TRACE(html tree node _i config0 "Entering node");
+ IFTRACE(html tree node _i status0 "Entering node");
(* get the node_statuses for the first child, next sibling and parent *)
let ps = unsafe_get_status status (T.preorder tree parent) in
let fcs = unsafe_get_status status fc_id in
let nss = unsafe_get_status status ns_id in
(* evaluate the transitions with all this statuses *)
- let status1 = eval_trans auto cache2 cache5 tag fcs nss ps status0 in
- TRACE(html tree node _i config1 "Updating transitions");
-
- (* update the cache if the status of the node changed *)
-
- if status1 != status0 then status.(node_id) <- status1;
+ let status1 = if status0.NodeStatus.node.todo == StateSet.empty then status0 else begin
+ let status1 = eval_trans auto cache2 cache5 tag fcs nss ps status0 in
+ IFTRACE(html tree node _i status1 "Updating transitions");
+ (* update the cache if the status of the node changed *)
+ if status1 != status0 then status.(node_id) <- status1;
+ status1
+ end
+ in
(* recursively traverse the first child *)
let unstable_left = loop fc in
(* here we re-enter the node from its first child,
get the new status of the first child *)
let fcs1 = unsafe_get_status status fc_id in
(* update the status *)
- let status2 = eval_trans auto cache2 cache5 tag fcs1 nss ps status1 in
-
- TRACE(html tree node _i config2 "Updating transitions (after first-child)");
-
- if status2 != status1 then status.(node_id) <- status2;
+ let status2 = if status1.NodeStatus.node.todo == StateSet.empty then status1 else begin
+ let status2 = eval_trans auto cache2 cache5 tag fcs1 nss ps status1 in
+ IFTRACE(html tree node _i status2 "Updating transitions (after first-child)");
+ if status2 != status1 then status.(node_id) <- status2;
+ status2
+ end
+ in
let unstable_right = loop ns in
let nss1 = unsafe_get_status status ns_id in
- let status3 = eval_trans auto cache2 cache5 tag fcs1 nss1 ps status2 in
-
- TRACE(html tree node _i config3 "Updating transitions (after next-sibling)");
-
- if status3 != status2 then status.(node_id) <- status3;
-
+ let status3 = if status2.NodeStatus.node.todo == StateSet.empty then status2 else begin
+ let status3 = eval_trans auto cache2 cache5 tag fcs1 nss1 ps status2 in
+ IFTRACE(html tree node _i status3 "Updating transitions (after next-sibling)");
+ if status3 != status2 then status.(node_id) <- status3;
+ status3
+ end
+ in
let unstable_self =
(* if either our left or right child is unstable or if we still have transitions
pending, the current node is unstable *)
|| StateSet.empty != status3.NodeStatus.node.todo
in
Bitvector.unsafe_set unstable node_id unstable_self;
- TRACE((if not unstable_self then
+ IFTRACE((if not unstable_self then
Html.finalize_node
node_id
_i
- Ata.(StateSet.intersect config3.Config.node.sat auto.selection_states)));
+ Ata.(StateSet.intersect status3.NodeStatus.node.sat (get_selecting_states auto))));
unstable_self
end
in
run.redo <- loop (T.root tree);
run.pass <- run.pass + 1
-(*
- let stats run =
- let count = ref 0 in
- let len = Bitvector.length run.unstable in
- for i = 0 to len - 1 do
- if not (Bitvector.unsafe_get run.unstable i) then
- incr count
- done;
- Logger.msg `STATS
- "%i nodes over %i were skipped in iteration %i (%.2f %%), redo is: %b"
- !count len run.pass (100. *. (float !count /. float len))
- run.redo
-
-
- let eval auto tree node =
- let len = T.size tree in
- let run = { config = Array.create len Ata.dummy_config;
- unstable = Bitvector.create ~init:true len;
- redo = true;
- pass = 0
- }
- in
- while run.redo do
- run.redo <- false;
- Ata.reset auto; (* prevents the .cache2 and .cache4 memoization tables from growing too much *)
- run.redo <- top_down_run auto tree node run;
- stats run;
- run.pass <- run.pass + 1;
- done;
- at_exit (fun () -> Logger.msg `STATS "%i iterations" run.pass);
- at_exit (fun () -> stats run);
- let r = get_results auto tree node run.config in
-
- TRACE(Html.gen_trace (module T : Tree.S with type t = T.t) (tree));
-
- r
-*)
let get_results run =
let cache = run.status in
(fun q -> Hashtbl.add res_mapper q [])
(Ata.get_selecting_states auto)
in
+ let dummy = [ T.nil ] in
+ let res_mapper = Cache.N1.create dummy in
+ let () =
+ StateSet.iter
+ (fun q -> Cache.N1.add res_mapper (q :> int) [])
+ (Ata.get_selecting_states auto)
+ in
let rec loop node =
if node != T.nil then
let () = loop (T.next_sibling tree node) in
let () = loop (T.first_child tree node) in
StateSet.iter
(fun q ->
- try
- let acc = Hashtbl.find res_mapper q in
- Hashtbl.replace res_mapper q (node::acc)
- with
- Not_found -> ())
+ let res = Cache.N1.find res_mapper (q :> int) in
+ if res != dummy then
+ Cache.N1.add res_mapper (q :> int) (node::res)
+ )
cache.(T.preorder tree node).NodeStatus.node.sat
in
loop (T.root tree);
- List.rev (StateSet.fold
- (fun q acc -> (q, Hashtbl.find res_mapper q)::acc)
- (Ata.get_selecting_states auto) [])
+ (StateSet.fold_right
+ (fun q acc -> (q, Cache.N1.find res_mapper (q :> int))::acc)
+ (Ata.get_selecting_states auto) [])
+
let prepare_run run list =
let tree = run.tree in
let node_id = T.preorder tree node in
status.(node_id) <- status0) list
-
- let eval full auto tree nodes =
+ let tree_size = ref 0
+ let pass = ref 0
+ let compute_run auto tree nodes =
+ pass := 0;
+ tree_size := T.size tree;
let run = make auto tree in
prepare_run run nodes;
while run.redo do
top_down run
done;
- if full then `Full (get_full_results run)
- else `Normal (get_results run)
+ pass := run.pass;
+ IFTRACE(Html.gen_trace auto (module T : Tree.S with type t = T.t) tree);
+ run
let full_eval auto tree nodes =
- match eval true auto tree nodes with
- `Full l -> l
- | _ -> assert false
+ let r = compute_run auto tree nodes in
+ get_full_results r
let eval auto tree nodes =
- match eval false auto tree nodes with
- `Normal l -> l
- | _ -> assert false
+ let r = compute_run auto tree nodes in
+ get_results r
+
+ let stats () = {
+ tree_size = !tree_size;
+ run = !pass;
+ cache2_access = !cache2_access;
+ cache2_hit = !cache2_hit;
+ cache5_access = !cache5_access;
+ cache5_hit = !cache5_hit;
+ }
end
projects / tatoo.git / blobdiff