X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=src%2Frun.ml;h=00f19d3d0e117c559227d49b12e176ce89d1ecd5;hb=f2507a58487ba57bbbd7831588523f4577389431;hp=291faa49d530d17c1a5488c0ce9ca68d0c07eebc;hpb=129708eaa5983b9463f96b714c00468602339b0a;p=tatoo.git

diff --git a/src/run.ml b/src/run.ml
index 291faa4..00f19d3 100644
--- a/src/run.ml
+++ b/src/run.ml
@@ -19,365 +19,418 @@ INCLUDE "debug.ml"
 open Format
 open Misc
 
-type stats = { run : int;
+type stats = { mutable pass : int;
                tree_size : int;
-               fetch_trans_cache_access : int;
-               fetch_trans_cache_hit : int;
-               eval_trans_cache_access : int;
-               eval_trans_cache_hit : int;
+               mutable fetch_trans_cache_access : int;
+               mutable fetch_trans_cache_miss : int;
+               mutable eval_trans_cache_access : int;
+               mutable eval_trans_cache_miss : int;
+               mutable nodes_per_run : int list;
              }
 
-let fetch_trans_cache_hit = ref 0
-let fetch_trans_cache_access = ref 0
-let eval_trans_cache_hit = ref 0
-let eval_trans_cache_access = ref 0
-let reset_stat_counters () =
-  fetch_trans_cache_hit := 0;
-  fetch_trans_cache_access := 0;
-  eval_trans_cache_hit := 0;
-  eval_trans_cache_access := 0
-
-
-module Make (T : Tree.S) =
- 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 =
-       s land 0b1000 != 0
-
-     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)
-   end
-
-   let dummy_set = StateSet.singleton State.dummy
-   open Bigarray
-
-IFDEF HTMLTRACE
-THEN
-   type sat_array = StateSet.t array list
-   DEFINE IFHTML(a,b) = (a)
-ELSE
-   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 ;
+
+let dummy_set = StateSet.singleton State.dummy_state
+
+
+
+  IFDEF HTMLTRACE
+  THEN
+type sat_array = StateSet.t array list
+  DEFINE IFHTML(a,b) = (a)
+  ELSE
+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  =
+  (* if v != old_v then *)
+    Array.unsafe_set (IFHTML(List.hd a, a)) i v
+
+type 'node td_action = 'node -> int -> 'node -> 'node -> StateSet.t
+type 'node bu_action = 'node -> int -> StateSet.t
+let dummy_action = fun _ _ -> assert false
+
+type ('tree, 'node) run = {
+  tree : 'tree ;
      (* The argument of the run *)
-     auto : Ata.t;
+  auto : Ata.t;
      (* The automaton to be run *)
-     mutable sat: sat_array;
+  mutable sat: sat_array;
      (* A mapping from node preorders to states satisfied at that node *)
-     mutable pass : int;
+  mutable pass : int;
      (* Number of run we have performed *)
-     mutable fetch_trans_cache : Ata.Formula.t Cache.N2.t;
+  mutable fetch_trans_cache : Ata.Formula.t Cache.N2.t;
      (* A cache from states * label to list of transitions *)
-     mutable td_cache : StateSet.t Cache.N6.t;
-     mutable bu_cache : StateSet.t Cache.N6.t;
+  mutable td_cache : 'node td_action Cache.N6.t;
+  mutable bu_cache : 'node bu_action Cache.N6.t;
      (* Two 6-way caches used during the top-down and bottom-up phase
         label * self-set * fc-set * ns-set * parent-set * node-shape -> self-set
      *)
-     node_summaries: (int, int16_unsigned_elt, c_layout) Array1.t;
-   }
-
+  stats : stats;
+}
+
+let dummy_form = Ata.Formula.stay State.dummy_state
+
+let get_form run tag (q : State.t) =
+  let auto = run.auto in
+  let fetch_trans_cache = run.fetch_trans_cache in
+  let stats = run.stats in
+  let phi =
+    stats.fetch_trans_cache_access <- stats.fetch_trans_cache_access + 1;
+    Cache.N2.find fetch_trans_cache (tag.QName.id :> int) (q :> int)
+  in
+  if phi == dummy_form then
+    let phi = Ata.get_form auto tag q in
+    let () =
+      stats.fetch_trans_cache_miss <- stats.fetch_trans_cache_miss + 1;
+      Cache.N2.add
+        fetch_trans_cache
+        (tag.QName.id :> int)
+        (q :> int) phi
+    in phi
+  else
+    phi
+
+
+
+let eval_form phi fcs nss ps ss summary =
+  let open Ata in
+  let rec loop phi =
+    begin match Formula.expr phi with
+    | Boolean.False -> false
+    | Boolean.True -> true
+    | Boolean.Atom (a, b) ->
+      begin
+        let open Tree.NodeSummary in
+        match a.Atom.node with
+        | Move (m, q) ->
+          b && StateSet.mem q (
+            match m with
+              `First_child -> fcs
+            | `Next_sibling -> nss
+            | `Parent | `Previous_sibling -> ps
+            | `Stay -> ss
+          )
+        | Is_first_child -> b == is_left summary
+        | Is_next_sibling -> b == is_right summary
+        | Is k -> b == (k == kind summary)
+        | Has_first_child -> b == has_left summary
+        | Has_next_sibling -> b == has_right summary
+      end
+    | Boolean.And(phi1, phi2) -> loop phi1 && loop phi2
+    | Boolean.Or (phi1, phi2) -> loop phi1 || loop phi2
+    end
+  in
+  loop phi
 
-   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
+let eval_trans_aux run tag summary fcs nss ps sat todo  =
+  StateSet.fold (fun q (a_sat) ->
+    let phi =
+      get_form run tag q
+    in
+    if eval_form phi fcs nss ps a_sat summary then
+      StateSet.add q a_sat
+    else a_sat
+  ) todo sat
+
+
+let rec eval_trans_fix run tag summary fcs nss ps sat todo  =
+  let new_sat =
+    eval_trans_aux run tag summary fcs nss ps sat todo
+  in
+  if new_sat == sat then sat else
+    eval_trans_fix run tag summary fcs nss ps new_sat todo
+
+
+let eval_trans run trans_cache tag summary fcs nss ps ss todo action_builder =
+  let stats = run.stats in
+  let fcsid = (fcs.StateSet.id :> int) in
+  let nssid = (nss.StateSet.id :> int) in
+  let psid = (ps.StateSet.id :> int) in
+  let ssid = (ss.StateSet.id :> int) in
+  let tagid = (tag.QName.id :> int) in
+
+  let res = Cache.N6.find trans_cache tagid summary ssid fcsid nssid psid in
+  stats.eval_trans_cache_access <- 1 + stats.eval_trans_cache_access;
+  if res != dummy_action then
+    res
+  else
+    let new_sat =
+      eval_trans_fix run tag summary fcs nss ps ss todo
+    in
+    stats.eval_trans_cache_miss <- 1 + stats.eval_trans_cache_miss;
+    let new_action = action_builder ps summary tag new_sat in
+    Cache.N6.add trans_cache tagid summary ssid fcsid nssid psid new_action;
+    new_action
+
+module NodeSummary = Tree.NodeSummary
+module Make (T : Tree.S)  =
+struct
+  module Tree : Tree.S with type node = T.node = T
+  module ResultSet : Deque.S with type elem = Tree.node =
+    Deque.Make (struct type t = Tree.node end)
+
+
+  let make auto tree =
+    let len = Tree.size tree in
+    {
+      tree = tree;
+      auto = auto;
+      sat = (let a = Array.make 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;
-       Cache.N2.find fetch_trans_cache (tag.QName.id :> int) (q :> int)
-     in
-     if phi == dummy_form then
-       let phi = Ata.get_form auto tag q in
-       let () =
-         Cache.N2.add
-           fetch_trans_cache
-           (tag.QName.id :> int)
-           (q :> int) phi
-       in phi
-     else begin
-       incr fetch_trans_cache_hit;
-       phi
-     end
-
-
-   let eval_form phi fcs nss ps ss summary =
-     let open Ata in
-         let rec loop phi =
-           begin match Formula.expr phi with
-           | Boolean.False -> false
-           | Boolean.True -> true
-           | Boolean.Atom (a, b) ->
-               begin
-                 let open NodeSummary in
-                     match a.Atom.node with
-                     | Move (m, q) ->
-                       b && StateSet.mem q (
-                           match m with
-                             `First_child -> fcs
-                           | `Next_sibling -> nss
-                           | `Parent | `Previous_sibling ->  ps
-                           | `Stay ->  ss
-                       )
-                     | Is_first_child -> b == is_left summary
-                     | Is_next_sibling -> b == is_right summary
-                     | Is k -> b == (k == kind summary)
-                     | Has_first_child -> b == has_left summary
-                     | Has_next_sibling -> b == has_right summary
-               end
-           | Boolean.And(phi1, phi2) -> loop phi1 && loop phi2
-           | Boolean.Or (phi1, phi2) -> loop phi1 || loop phi2
-           end
-         in
-         loop phi
-
-
-   let eval_trans_aux auto fetch_trans_cache tag fcs nss ps sat todo summary =
-     StateSet.fold (fun q (a_sat) ->
-       let phi =
-         get_form fetch_trans_cache auto tag q
-       in
-       if eval_form phi fcs nss ps a_sat summary then
-         StateSet.add q a_sat
-       else a_sat
-     ) todo sat
-
-
-   let rec eval_trans_fix auto fetch_trans_cache tag fcs nss ps sat todo summary =
-     let new_sat =
-       eval_trans_aux auto fetch_trans_cache tag fcs nss ps sat todo summary
-     in
-     if new_sat == sat then sat else
-       eval_trans_fix auto fetch_trans_cache tag fcs nss ps new_sat todo summary
-
-
-   let eval_trans auto fetch_trans_cache eval_cache tag fcs nss ps ss todo summary =
-     let fcsid = (fcs.StateSet.id :> int) in
-     let nssid = (nss.StateSet.id :> int) in
-     let psid = (ps.StateSet.id :> int) in
-     let ssid = (ss.StateSet.id :> int) in
-     let tagid = (tag.QName.id :> int) in
-     let res = Cache.N6.find eval_cache tagid summary ssid fcsid nssid psid 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
-          in
-          Cache.N6.add eval_cache tagid summary ssid fcsid nssid psid new_sat;
-          new_sat
-
-
-
-   let top_down run =
+      pass = 0;
+      fetch_trans_cache = Cache.N2.create dummy_form;
+      td_cache = Cache.N6.create dummy_action;
+      bu_cache = Cache.N6.create dummy_action;
+      stats = {
+        pass = 0;
+        tree_size = len;
+        fetch_trans_cache_access = 0;
+        fetch_trans_cache_miss = 0;
+        eval_trans_cache_access = 0;
+        eval_trans_cache_miss = 0;
+        nodes_per_run = [];
+      }
+    }
+
+
+  let top_down run mk_update_res =
+    let num_visited = ref 0 in
     let i = run.pass in
     let tree = run.tree 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
-      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
+    let run_sat = run.sat in
+    let last_run = i >= Array.length states_by_rank - 2 in
+
+    let rec common node parent parent_sat action_builder =
+      begin
+        incr num_visited;
+        let tag = Tree.tag tree node in
+        let node_id = Tree.preorder tree node in
+        let summary = Tree.summary tree node in
+        let fc = Tree.first_child tree node in
+        let ns = Tree.next_sibling tree node in
         (* We enter the node from its parent *)
-        let summary =
-          let s = Array1.unsafe_get run.node_summaries node_id in
-          if  s != 0 then s else
-            let s =
-              NodeSummary.make
-                (node == T.first_child tree parent) (*is_left *)
-                (node == T.next_sibling tree parent)(*is_right *)
-                (fc != T.nil) (* has_left *)
-                (ns != T.nil) (* has_right *)
-                (T.kind tree node) (* kind *)
-            in
-            run.node_summaries.{node_id} <- s; s
-        in
-        let status0 = unsafe_get run.sat node_id 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 status1 =
-          eval_trans auto run.fetch_trans_cache run.td_cache tag fcs nss
+        let action  =
+          eval_trans run
+            run.td_cache tag
+            summary
+            (unsafe_get run_sat (Tree.preorder tree fc))
+            (unsafe_get run_sat (Tree.preorder tree ns))
             parent_sat
-            status0 td_todo summary
+            status0 td_todo action_builder
         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
+        action node node_id fc ns
       end
+
+    and td_action_builder parent_sat summary tag status1 =
+      let update_res = mk_update_res false status1 in
+      match NodeSummary.(has_left summary, has_right summary) with
+        false, false ->
+        (fun node node_id fc ns ->
+           unsafe_set run_sat node_id status1;
+           update_res node;
+           StateSet.empty)
+      | true, false ->
+        (fun node node_id fc ns ->
+           unsafe_set run_sat node_id status1;
+           update_res node;
+           loop_td fc node status1)
+      | false, true ->
+        (fun node node_id fc ns ->
+           unsafe_set run_sat node_id status1;
+           update_res node;
+           loop_td ns node status1)
+      | _ ->
+        (fun node node_id fc ns ->
+           unsafe_set run_sat node_id status1; (* write the td_states *)
+           update_res node;
+           ignore (loop_td fc node status1);
+           loop_td ns node status1 (* tail call *)
+        )
+    and td_and_bu_action_builder parent_sat summary tag status1  =
+      match NodeSummary.(has_left summary, has_right summary) with
+        false, false ->
+        (fun node node_id fc ns ->
+           let action =
+             eval_trans run run.bu_cache tag summary StateSet.empty StateSet.empty
+               parent_sat status1 bu_todo bu_action_builder
+           in
+           action node node_id)
+      | true, false ->
+        (fun node node_id fc ns ->
+           let fcs1 = loop_td_and_bu fc node status1 in
+           let action =
+             eval_trans run run.bu_cache tag summary fcs1 StateSet.empty
+               parent_sat status1 bu_todo bu_action_builder
+           in
+           action node node_id
+        )
+      | false, true ->
+        (fun node node_id fc ns ->
+           let nss1 = loop_td_and_bu ns node status1 in
+           let action =
+             eval_trans run run.bu_cache tag summary StateSet.empty nss1
+               parent_sat status1 bu_todo bu_action_builder
+           in
+           action node node_id
+        )
+      | _ ->
+        (fun node node_id fc ns ->
+           let fcs1 = loop_td_and_bu fc node status1 in
+           let nss1 = loop_td_and_bu ns node status1 in
+           let action =
+             eval_trans run run.bu_cache tag summary fcs1 nss1 parent_sat status1 bu_todo bu_action_builder
+           in
+           action node node_id
+        )
+    and bu_action_builder parent_sat summary tag status2 node node_id =
+      unsafe_set run_sat node_id status2;
+      status2
+    and td_and_bu_last_action_builder parent_sat summary tag status1 =
+      match NodeSummary.(has_left summary, has_right summary) with
+        false, false ->
+        (fun node node_id fc ns ->
+           let action =
+             eval_trans run run.bu_cache tag summary StateSet.empty StateSet.empty
+               parent_sat status1 bu_todo bu_last_action_builder
+           in
+           action node node_id)
+      | true, false ->
+        (fun node node_id fc ns ->
+           let fcs1 = loop_td_and_bu_last fc node status1 in
+           let action =
+             eval_trans run run.bu_cache tag summary fcs1 StateSet.empty
+               parent_sat status1 bu_todo bu_last_action_builder
+           in
+           action node node_id
+        )
+      | false, true ->
+        (fun node node_id fc ns ->
+           let nss1 = loop_td_and_bu_last ns node status1 in
+           let action =
+             eval_trans run run.bu_cache tag summary StateSet.empty nss1
+               parent_sat status1 bu_todo bu_last_action_builder
+           in
+           action node node_id
+        )
+      | _ ->
+        (fun node node_id fc ns ->
+           let nss1 = loop_td_and_bu_last ns node status1 in
+           let fcs1 = loop_td_and_bu_last fc node status1 in
+           let action =
+             eval_trans run run.bu_cache tag summary fcs1 nss1 parent_sat status1 bu_todo bu_last_action_builder
+           in
+           action node node_id
+        )
+    and bu_last_action_builder parent_sat summary tag status2 =
+      let update_res = mk_update_res true status2 in
+      (fun node node_id ->
+         unsafe_set run_sat node_id status2;
+         update_res node;
+         status2)
+    and loop_td node parent parent_sat =
+      common node parent parent_sat td_action_builder
+    and loop_td_and_bu node parent parent_sat =
+      common node parent parent_sat td_and_bu_action_builder
+    and loop_td_and_bu_last node parent parent_sat =
+      common node parent parent_sat td_and_bu_last_action_builder
+    in
+    let _ =
+      if bu_todo == StateSet.empty then
+        loop_td (Tree.root tree) Tree.nil dummy_set
+      else if last_run then
+        loop_td_and_bu_last (Tree.root tree) Tree.nil dummy_set
+      else
+        loop_td_and_bu (Tree.root tree) Tree.nil dummy_set
     in
-    let _ = loop_td_and_bu (T.root tree) T.nil StateSet.empty in
-    run.pass <- run.pass + 2
+    run.pass <- run.pass + 2;
+    run.stats.pass <- run.stats.pass + 1;
+    run.stats.nodes_per_run <- !num_visited :: run.stats.nodes_per_run
 
 
-  let get_results run =
-    let cache = IFHTML((List.hd run.sat), run.sat) in
-    let auto = run.auto in
-    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
-      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 *)
-          sel_states then node::acc1
-        else acc1
-    in
-    loop (T.root tree) []
+  let mk_update_result auto =
+    let sel_states = Ata.get_selecting_states auto in
+    let res = ResultSet.create () in
+    (fun prepend sat ->
+       if StateSet.intersect sat sel_states then
+         if prepend then (fun n -> ResultSet.push_front n res)
+         else (fun n -> ResultSet.push_back n res)
+       else (fun _ -> ())),
+    (fun () -> res)
 
 
-  let get_full_results run =
-    let cache = IFHTML((List.hd run.sat), run.sat) in
-    let auto = run.auto in
-    let tree = run.tree in
-    let res_mapper = Hashtbl.create MED_H_SIZE in
-    let () =
-      StateSet.iter
-        (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 ->
-            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 *)
+  let mk_update_full_result auto =
+    let sel_states = Ata.get_selecting_states auto in
+    let res_mapper =
+      StateSet.fold_right (fun q acc -> (q, ResultSet.create())::acc) sel_states []
     in
-    loop (T.root tree);
-    (StateSet.fold_right
-       (fun q acc -> (q, Cache.N1.find res_mapper (q :> int))::acc)
-       (Ata.get_selecting_states auto) [])
-
+    (fun prepend sat ->
+       StateSet.fold (fun q f_acc ->
+           if StateSet.mem q sel_states then
+             let res = List.assoc q res_mapper in
+             if prepend then (fun n -> ResultSet.push_front n res; f_acc n)
+             else (fun n -> ResultSet.push_back n res; f_acc n)
+           else f_acc) sat (fun _ -> ())),
+    (fun () -> res_mapper)
 
   let prepare_run run list =
     let tree = run.tree in
     let auto = run.auto in
     let sat = IFHTML((List.hd run.sat), run.sat) in
     let sat0 = Ata.get_starting_states auto in
-    List.iter (fun node ->
-      let node_id = T.preorder tree node in
+   ResultSet.iter (fun node ->
+      let node_id = Tree.preorder tree node in
       sat.(node_id) <- sat0) list
 
-  let tree_size = ref 0
-  let pass = ref 0
-  let compute_run auto tree nodes =
-    pass := 0;
-    tree_size := T.size tree;
+
+  let compute_run auto tree nodes mk_update_res =
     let run = make auto tree in
     prepare_run run nodes;
     let rank = Ata.get_max_rank auto in
     while run.pass <= rank do
-      top_down run;
+      top_down run mk_update_res;
       IFHTML((run.sat <- (Array.copy (List.hd run.sat)) :: run.sat), ());
-      run.td_cache <- Cache.N6.create dummy_set;
-      run.bu_cache <- Cache.N6.create dummy_set;
+      run.td_cache <- Cache.N6.create dummy_action;
+      run.bu_cache <- Cache.N6.create dummy_action;
     done;
-    pass := Ata.get_max_rank auto + 1;
-    IFHTML(Html.gen_trace auto run.sat (module T : Tree.S with type t = T.t) tree ,());
+    IFHTML((run.sat <- List.tl run.sat), ());
+    IFHTML(Html_trace.gen_trace auto run.sat (module T : Tree.S with type t = Tree.t) tree ,());
     run
 
+
+  let last_stats = ref None
+
   let full_eval auto tree nodes =
-    let r = compute_run auto tree nodes in
-    get_full_results r
+    let mk_update_full,get_full = mk_update_full_result auto in
+    let run = compute_run auto tree nodes mk_update_full in
+    last_stats := Some run.stats;
+    get_full ()
 
   let eval auto tree nodes =
-    let r = compute_run auto tree nodes in
-    get_results r
-
-  let stats () = {
-    tree_size = !tree_size;
-    run = !pass;
-    fetch_trans_cache_access = !fetch_trans_cache_access;
-    fetch_trans_cache_hit = !fetch_trans_cache_hit;
-    eval_trans_cache_access = !eval_trans_cache_access;
-    eval_trans_cache_hit = !eval_trans_cache_hit;
-  }
+    let mk_update_res,get_res = mk_update_result auto in
+    let run = compute_run auto tree nodes mk_update_res in
+    last_stats := Some run.stats;
+    get_res ()
+
+  let stats () = match !last_stats with
+      Some s -> s.nodes_per_run <- List.rev s.nodes_per_run;s
+    | None -> failwith "Missing stats"
 
 end