open Format
open Misc
+open Bigarray
type stats = { run : int;
tree_size : int;
eval_trans_cache_access := 0
-module Make (T : Tree.S) =
- struct
-
- module NodeSummary =
- struct
+module NodeSummary =
+struct
(* Pack into an integer the result of the is_* and has_ predicates
for a given node *)
- type t = int
- let dummy = -1
- (*
- ...44443210
- ...4444 -> kind
- 3 -> has_right
- 2 -> has_left
- 1 -> is_right
- 0 -> is_left
- *)
- let is_left (s : t) : bool =
- s land 1 != 0
-
- let is_right (s : t) : bool =
- s land 0b10 != 0
-
- let has_left (s : t) : bool =
- s land 0b100 != 0
-
- let has_right (s : t) : bool =
+ type t = int
+ let dummy = -1
+ (*
+ ...44443210
+ ...4444 -> kind
+ 3 -> has_right
+ 2 -> has_left
+ 1 -> is_right
+ 0 -> is_left
+ *)
+ let is_left (s : t) : bool =
+ s land 1 != 0
+
+ let is_right (s : t) : bool =
+ s land 0b10 != 0
+
+ let has_left (s : t) : bool =
+ s land 0b100 != 0
+
+ let has_right (s : t) : bool =
s land 0b1000 != 0
- let kind (s : t) : Tree.NodeKind.t =
- Obj.magic (s lsr 4)
+ let kind (s : t) : Tree.NodeKind.t =
+ Obj.magic (s lsr 4)
- let make is_left is_right has_left has_right kind =
- (int_of_bool is_left) lor
- ((int_of_bool is_right) lsl 1) lor
- ((int_of_bool has_left) lsl 2) lor
- ((int_of_bool has_right) lsl 3) lor
- ((Obj.magic kind) lsl 4)
+ let make is_left is_right has_left has_right kind =
+ (int_of_bool is_left) lor
+ ((int_of_bool is_right) lsl 1) lor
+ ((int_of_bool has_left) lsl 2) lor
+ ((int_of_bool has_right) lsl 3) lor
+ ((Obj.magic kind) lsl 4)
end
let dummy_set = StateSet.singleton State.dummy
- open Bigarray
+
+
IFDEF HTMLTRACE
THEN
type sat_array = StateSet.t array
DEFINE IFHTML(a,b) = (b)
END
+
let unsafe_get a i =
if i < 0 then StateSet.empty else
Array.unsafe_get (IFHTML(List.hd a, a)) i
+
let unsafe_set a i v old_v =
if v != old_v then
Array.unsafe_set (IFHTML(List.hd a, a)) i v
- type run = {
- tree : T.t ;
+ type 'a run = {
+ tree : 'a ;
(* The argument of the run *)
auto : Ata.t;
(* The automaton to be run *)
node_summaries: (int, int16_unsigned_elt, c_layout) Array1.t;
}
-
let dummy_form = Ata.Formula.stay State.dummy
- let make auto tree =
- let len = T.size tree in
- {
- tree = tree;
- auto = auto;
- sat = (let a = Array.create len StateSet.empty in
- IFHTML([a], a));
- pass = 0;
- fetch_trans_cache = Cache.N2.create dummy_form;
- td_cache = Cache.N6.create dummy_set;
- bu_cache = Cache.N6.create dummy_set;
- node_summaries = let ba = Array1.create int16_unsigned c_layout len in
- Array1.fill ba 0; ba
- }
-
let get_form fetch_trans_cache auto tag q =
let phi =
incr fetch_trans_cache_access;
loop phi
- let eval_trans_aux auto fetch_trans_cache tag fcs nss ps sat todo summary =
+ let eval_trans_aux auto trans_cache tag summary fcs nss ps sat todo =
StateSet.fold (fun q (a_sat) ->
let phi =
- get_form fetch_trans_cache auto tag q
+ get_form trans_cache auto tag q
in
if eval_form phi fcs nss ps a_sat summary then
StateSet.add q a_sat
) todo sat
- let rec eval_trans_fix auto fetch_trans_cache tag fcs nss ps sat todo summary =
+ let rec eval_trans_fix auto trans_cache tag summary fcs nss ps sat todo =
let new_sat =
- eval_trans_aux auto fetch_trans_cache tag fcs nss ps sat todo summary
+ eval_trans_aux auto trans_cache tag summary fcs nss ps sat todo
in
if new_sat == sat then sat else
- eval_trans_fix auto fetch_trans_cache tag fcs nss ps new_sat todo summary
+ eval_trans_fix auto trans_cache tag summary fcs nss ps new_sat todo
- let eval_trans auto fetch_trans_cache eval_cache tag fcs nss ps ss todo summary =
+ let eval_trans auto fetch_trans_cache eval_cache tag summary fcs nss ps ss todo =
let fcsid = (fcs.StateSet.id :> int) in
let nssid = (nss.StateSet.id :> int) in
let psid = (ps.StateSet.id :> int) in
incr eval_trans_cache_access;
if res != dummy_set then begin incr eval_trans_cache_hit; res end
else let new_sat =
- eval_trans_fix auto fetch_trans_cache tag fcs nss ps ss todo summary
+ eval_trans_fix auto fetch_trans_cache tag summary fcs nss ps ss todo
in
Cache.N6.add eval_cache tagid summary ssid fcsid nssid psid new_sat;
new_sat
+module Make (T : Tree.S) =
+ struct
+
+ let make auto tree =
+ let len = T.size tree in
+ {
+ tree = tree;
+ auto = auto;
+ sat = (let a = Array.create len StateSet.empty in
+ IFHTML([a], a));
+ pass = 0;
+ fetch_trans_cache = Cache.N2.create dummy_form;
+ td_cache = Cache.N6.create dummy_set;
+ bu_cache = Cache.N6.create dummy_set;
+ node_summaries = let ba = Array1.create int16_unsigned c_layout len in
+ Array1.fill ba 0; ba
+ }
+
let top_down run =
let i = run.pass in
let auto = run.auto in
let states_by_rank = Ata.get_states_by_rank auto in
let td_todo = states_by_rank.(i) in
- let bu_todo = if i + 1 = Array.length states_by_rank then StateSet.empty
+ let bu_todo =
+ if i == Array.length states_by_rank - 1 then StateSet.empty
else
states_by_rank.(i+1)
in
let rec loop_td_and_bu node parent parent_sat =
- if node == T.nil
- then StateSet.empty
+ if node == T.nil then StateSet.empty
else begin
let node_id = T.preorder tree node in
let fc = T.first_child tree node in
let ns = T.next_sibling tree node in
- let tag = T.tag tree node in
(* We enter the node from its parent *)
let summary =
let s = Array1.unsafe_get run.node_summaries node_id in
in
let status0 = unsafe_get run.sat node_id in
(* get the node_statuses for the first child, next sibling and parent *)
- let fcs = unsafe_get run.sat (T.preorder tree fc) in
- let nss = unsafe_get run.sat (T.preorder tree ns) in
(* evaluate the transitions with all this statuses *)
+ let tag = T.tag tree node in
let status1 =
- eval_trans auto run.fetch_trans_cache run.td_cache tag fcs nss
+ eval_trans
+ auto run.fetch_trans_cache run.td_cache tag
+ summary
+ (unsafe_get run.sat (T.preorder tree fc))
+ (unsafe_get run.sat (T.preorder tree ns))
parent_sat
- status0 td_todo summary
+ status0 td_todo
in
(* update the cache if the status of the node changed
- unsafe_set run.sat node_id status1 status0;*)
- let fcs1 = loop_td_and_bu fc node status1 in
- if bu_todo == StateSet.empty then begin
- unsafe_set run.sat node_id status1 status0; (* write the td_states *)
- loop_td_and_bu ns node status1 (* tail call *)
- end else
- let nss1 = loop_td_and_bu ns node status1 in
- let status2 =
- eval_trans auto run.fetch_trans_cache run.bu_cache tag fcs1 nss1
- parent_sat
- status1 bu_todo summary
- in
- unsafe_set run.sat node_id status2 status0;
- status2
- end
+ unsafe_set run.sat node_id status1 status0;*)
+ let fcs1 = loop_td_and_bu fc node status1 in
+ if bu_todo == StateSet.empty then begin
+ unsafe_set run.sat node_id status1 status0; (* write the td_states *)
+ loop_td_and_bu ns node status1 (* tail call *)
+ end else
+ let nss1 = loop_td_and_bu ns node status1 in
+ let status2 =
+ eval_trans auto run.fetch_trans_cache run.bu_cache tag
+ summary fcs1
+ nss1
+ parent_sat
+ status1 bu_todo
+ in
+ unsafe_set run.sat node_id status2 status0;
+ status2
+ end
in
- let _ = loop_td_and_bu (T.root tree) T.nil StateSet.empty in
+ let _ = loop_td_and_bu (T.root tree) T.nil dummy_set in
run.pass <- run.pass + 2
let tree = run.tree in
let sel_states = Ata.get_selecting_states auto in
let rec loop node acc =
- if node == T.nil then acc
+ if node == T.nil then acc
else
let acc0 = loop (T.next_sibling tree node) acc in
let acc1 = loop (T.first_child tree node) acc0 in
-
- if StateSet.intersect
- cache.(T.preorder tree node)(* NodeStatus.node.sat *)
+ if StateSet.intersect cache.(T.preorder tree node)
sel_states then node::acc1
else acc1
in
if res != dummy then
Cache.N1.add res_mapper (q :> int) (node::res)
)
- cache.(T.preorder tree node)(* NodeStatus.node.sat *)
+ cache.(T.preorder tree node)
in
loop (T.root tree);
(StateSet.fold_right
projects / tatoo.git / blobdiff