X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=ata.ml;h=5288b78d45911f33027576b203e24e2e3f3ee5e5;hb=861944c24f8cad360fb9478cb0a15863cb52e803;hp=3959ccfeddddfda6f44adad55674510a6df298c8;hpb=1ff2494510cb02d136cbde3a064c0c8c94ec4216;p=SXSI%2Fxpathcomp.git diff --git a/ata.ml b/ata.ml index 3959ccf..5288b78 100644 --- a/ata.ml +++ b/ata.ml @@ -14,8 +14,9 @@ end = struct type t = int let make = - let id = ref (-1) in - fun () -> incr id;!id + let id = ref ~-1 in + fun () -> incr id; !id + let compare = (-) let equal = (==) external hash : t -> int = "%identity" @@ -25,8 +26,25 @@ struct if x < 0 then failwith (Printf.sprintf "State: Assertion %i < 0 failed" x) end -module StateSet = Ptset.Int - +module StateSet = +struct + include Ptset.Make ( struct type t = int + type data = t + external hash : t -> int = "%identity" + external uid : t -> Uid.t = "%identity" + external equal : t -> t -> bool = "%eq" + external make : t -> int = "%identity" + external node : t -> int = "%identity" + external with_id : Uid.t -> t = "%identity" + end + ) + let print ppf s = + Format.pp_print_string ppf "{ "; + iter (fun i -> Format.fprintf ppf "%i " i) s; + Format.pp_print_string ppf "}"; + Format.pp_print_flush ppf () +end + module Formula = struct type 'hcons expr = @@ -58,8 +76,8 @@ struct match f.pos with | False -> 0 | True -> 1 - | Or (f1,f2) -> HASHINT3(PRIME2,f1.Node.id, f2.Node.id) - | And (f1,f2) -> HASHINT3(PRIME3,f1.Node.id,f2.Node.id) + | Or (f1,f2) -> HASHINT3(PRIME2,Uid.to_int f1.Node.id, Uid.to_int f2.Node.id) + | And (f1,f2) -> HASHINT3(PRIME3,Uid.to_int f1.Node.id, Uid.to_int f2.Node.id) | Atom(d,p,s) -> HASHINT4(PRIME4,hash_const_variant d,vb p,s) end @@ -197,7 +215,9 @@ module Transition = struct type node = State.t*TagSet.t*bool*Formula.t*bool include Hcons.Make(struct type t = node - let hash (s,ts,m,f,b) = HASHINT5(s,TagSet.uid ts,Formula.uid f,vb m,vb b) + let hash (s,ts,m,f,b) = HASHINT5(s,Uid.to_int (TagSet.uid ts), + Uid.to_int (Formula.uid f), + vb m,vb b) let equal (s,ts,b,f,m) (s',ts',b',f',m') = s == s' && ts == ts' && b==b' && m==m' && f == f' end) @@ -219,8 +239,6 @@ module Transition = struct end -module TransTable = Hashtbl - module Formlist = struct include Hlist.Make(Transition) let print ppf fl = @@ -236,9 +254,9 @@ end type 'a t = { id : int; - mutable states : Ptset.Int.t; - init : Ptset.Int.t; - starstate : Ptset.Int.t option; + mutable states : StateSet.t; + init : StateSet.t; + starstate : StateSet.t option; (* Transitions of the Alternating automaton *) trans : (State.t,(TagSet.t*Transition.t) list) Hashtbl.t; query_string: string; @@ -284,7 +302,9 @@ module FormTable = Hashtbl.Make(struct let equal (f1,s1,t1) (f2,s2,t2) = f1 == f2 && s1 == s2 && t1 == t2 let hash (f,s,t) = - HASHINT3(Formula.uid f ,StateSet.uid s,StateSet.uid t) + HASHINT3(Uid.to_int (Formula.uid f), + Uid.to_int (StateSet.uid s), + Uid.to_int (StateSet.uid t)) end) module F = Formula @@ -332,7 +352,10 @@ module FTable = Hashtbl.Make(struct type t = Tag.t*Formlist.t*StateSet.t*StateSet.t let equal (tg1,f1,s1,t1) (tg2,f2,s2,t2) = tg1 == tg2 && f1 == f2 && s1 == s2 && t1 == t2;; - let hash (tg,f,s,t) = HASHINT4(tg,Formlist.uid f ,StateSet.uid s,StateSet.uid t);; + let hash (tg,f,s,t) = + HASHINT4(tg, Uid.to_int (Formlist.uid f), + Uid.to_int (StateSet.uid s), + Uid.to_int (StateSet.uid t)) end) @@ -447,14 +470,18 @@ let tags_of_state a q = else 0 let merge conf t res1 res2 = match conf with - NO -> 0 - | MARK -> 1 - | MARK1 -> res1+1 + | NO -> 0 | ONLY1 -> res1 | ONLY2 -> res2 | ONLY12 -> res1+res2 + | MARK -> 1 + | MARK1 -> res1+1 | MARK2 -> res2+1 | MARK12 -> res1+res2+1 + let merge conf _ res1 res2 = + let conf = Obj.magic conf in + (conf lsr 2) + ((conf land 0b10) lsr 1)*res2 + (conf land 0b1)*res1 + let mk_quick_tag_loop _ sl ss tree tag = (); fun t ctx -> @@ -658,8 +685,22 @@ let tags_of_state a q = module Run (RS : ResultSet) = struct - module SList = Hlist.Make (StateSet) - + module SList = struct + include Hlist.Make (StateSet) + let print ppf l = + Format.fprintf ppf "[ "; + begin + match l.Node.node with + | Nil -> () + | Cons(s,ll) -> + StateSet.print ppf s; + iter (fun s -> Format.fprintf ppf "; "; + StateSet.print ppf s) ll + end; + Format.fprintf ppf "]%!" + + + end IFDEF DEBUG @@ -668,11 +709,31 @@ THEN INCLUDE "html_trace.ml" END - let mk_fun f s = D_IGNORE_(register_funname f s,f) - let mk_app_fun f arg s = let g = f arg in - D_IGNORE_(register_funname g ((get_funname f) ^ " " ^ s), g) - let mk_app_fun2 f arg1 arg2 s = let g = f arg1 arg2 in - D_IGNORE_(register_funname g ((get_funname f) ^ " " ^ s), g) + module Trace = + struct + module HFname = Hashtbl.Make (struct + type t = Obj.t + let hash = Hashtbl.hash + let equal = (==) + end) + + let h_fname = HFname.create 401 + + let register_funname f s = + HFname.add h_fname (Obj.repr f) s + let get_funname f = try HFname.find h_fname (Obj.repr f) with _ -> "[anon_fun]" + + + + let mk_fun f s = register_funname f s;f + let mk_app_fun f arg s = + let g = f arg in + register_funname g ((get_funname f) ^ " " ^ s); g + let mk_app_fun2 f arg1 arg2 s = + let g = f arg1 arg2 in + register_funname g ((get_funname f) ^ " " ^ s); g + + end let string_of_ts tags = (Ptset.Int.fold (fun t a -> a ^ " " ^ (Tag.to_string t) ) tags "{")^ " }" @@ -778,400 +839,648 @@ END if Ptset.Int.is_empty cl then if Ptset.Int.is_singleton ll then let tag = Ptset.Int.choose ll in - (`TAG(tag),mk_app_fun f_tn tag (Tag.to_string tag)) + (`TAG(tag),Trace.mk_app_fun f_tn tag (Tag.to_string tag)) else - (`MANY(ll),mk_app_fun f_sn ll (string_of_ts ll)) + (`MANY(ll),Trace.mk_app_fun f_sn ll (string_of_ts ll)) else if Ptset.Int.is_empty ll then if Ptset.Int.is_singleton cl then let tag = Ptset.Int.choose cl in - (`TAG(tag),mk_app_fun f_t1 tag (Tag.to_string tag)) + (`TAG(tag),Trace.mk_app_fun f_t1 tag (Tag.to_string tag)) else - (`MANY(cl),mk_app_fun f_s1 cl (string_of_ts cl)) + (`MANY(cl),Trace.mk_app_fun f_s1 cl (string_of_ts cl)) else - (`ANY,mk_app_fun2 f_s1n cl ll ((string_of_ts cl) ^ " " ^ (string_of_ts ll))) + (`ANY,Trace.mk_app_fun2 f_s1n cl ll ((string_of_ts cl) ^ " " ^ (string_of_ts ll))) | _ -> assert false let choose_jump_down tree d = choose_jump d - (mk_fun (fun _ -> Tree.nil) "Tree.mk_nil") - (mk_fun (Tree.tagged_child tree) "Tree.tagged_child") - (mk_fun (Tree.select_child tree) "Tree.select_child") - (mk_fun (Tree.tagged_descendant tree) "Tree.tagged_desc") - (mk_fun (Tree.select_descendant tree) "Tree.select_desc") - (mk_fun (fun _ _ -> Tree.first_child tree) "[FIRSTCHILD]Tree.select_child_desc") - (mk_fun (Tree.first_element tree) "Tree.first_element") - (mk_fun (Tree.first_child tree) "Tree.first_child") + (Trace.mk_fun (fun _ -> Tree.nil) "Tree.mk_nil") + (Trace.mk_fun (Tree.tagged_child tree) "Tree.tagged_child") + (Trace.mk_fun (Tree.select_child tree) "Tree.select_child") + (Trace.mk_fun (Tree.tagged_descendant tree) "Tree.tagged_desc") + (Trace.mk_fun (Tree.select_descendant tree) "Tree.select_desc") + (Trace.mk_fun (fun _ _ -> Tree.first_child tree) "[FIRSTCHILD]Tree.select_child_desc") + (Trace.mk_fun (Tree.first_element tree) "Tree.first_element") + (Trace.mk_fun (Tree.first_child tree) "Tree.first_child") let choose_jump_next tree d = choose_jump d - (mk_fun (fun _ _ -> Tree.nil) "Tree.mk_nil2") - (mk_fun (Tree.tagged_following_sibling_below tree) "Tree.tagged_sibling_ctx") - (mk_fun (Tree.select_following_sibling_below tree) "Tree.select_sibling_ctx") - (mk_fun (Tree.tagged_following_below tree) "Tree.tagged_foll_ctx") - (mk_fun (Tree.select_following_below tree) "Tree.select_foll_ctx") - (mk_fun (fun _ _ -> Tree.next_sibling_below tree) "[NEXTSIBLING]Tree.select_sibling_foll_ctx") - (mk_fun (Tree.next_element_below tree) "Tree.next_element_ctx") - (mk_fun (Tree.next_sibling_below tree) "Tree.node_sibling_ctx") + (Trace.mk_fun (fun _ _ -> Tree.nil) "Tree.mk_nil2") + (Trace.mk_fun (Tree.tagged_following_sibling_below tree) "Tree.tagged_sibling_ctx") + (Trace.mk_fun (Tree.select_following_sibling_below tree) "Tree.select_sibling_ctx") + (Trace.mk_fun (Tree.tagged_following_below tree) "Tree.tagged_foll_ctx") + (Trace.mk_fun (Tree.select_following_below tree) "Tree.select_foll_ctx") + (Trace.mk_fun (fun _ _ -> Tree.next_sibling_below tree) "[NEXTSIBLING]Tree.select_sibling_foll_ctx") + (Trace.mk_fun (Tree.next_element_below tree) "Tree.next_element_ctx") + (Trace.mk_fun (Tree.next_sibling_below tree) "Tree.node_sibling_ctx") - module SListTable = Hashtbl.Make(struct type t = SList.t - let equal = (==) - let hash t = t.SList.Node.id - end) - module TransCacheOld = + module CodeCache = struct - type 'a t = Obj.t array SListTable.t - let create n = SListTable.create n - let dummy = Obj.repr (fun _ -> assert false) - let find (h :'a t) tag slist : 'a = - let tab = - try - SListTable.find h slist - with - Not_found -> - SListTable.add h slist (Array.create 10000 dummy); - raise Not_found - in - let res = tab.(tag) in - if res == dummy then raise Not_found else (Obj.magic res) - - let add (h : 'a t) tag slist (data : 'a) = - let tab = - try - SListTable.find h slist - with - Not_found -> - let arr = Array.create 10000 dummy in - SListTable.add h slist arr; - arr - in - tab.(tag) <- (Obj.repr data) - + let get = Array.unsafe_get + let set = Array.set - end - - module TransCache = - struct - external get : 'a array -> int ->'a = "%array_unsafe_get" - external set : 'a array -> int -> 'a -> unit = "%array_unsafe_set" - type fun_tree = [`Tree] Tree.node -> [`Tree] Tree.node -> SList.t*RS.t array + type fun_tree = [`Tree] Tree.node -> [`Tree] Tree.node -> SList.t -> Tag.t -> bool -> SList.t*RS.t array type t = fun_tree array array - let dummy_cell = [||] - let create n = Array.create n dummy_cell - let dummy = fun _ _-> assert false - let find h tag slist = - let tab = get h slist.SList.Node.id in - if tab == dummy_cell then raise Not_found - else - let res = get tab tag in - if res == dummy then raise Not_found else res - - let add (h : t) tag slist (data : fun_tree) = - let tab = get h slist.SList.Node.id in - let tab = if tab == dummy_cell then - let x = Array.create 10000 dummy in - (set h slist.SList.Node.id x;x) + + let dummy = fun _ _ _ _ _ -> failwith "Uninitializd CodeCache" + let default_line = Array.create 1024 dummy (* 1024 = max_tag *) + let create n = Array.create n default_line + let init f = + for i = 0 to (Array.length default_line) - 1 + do + default_line.(i) <- f + done + + let get_fun h slist tag = + get (get h (Uid.to_int slist.SList.Node.id)) tag + + let set_fun (h : t) slist tag (data : fun_tree) = + let tab = get h (Uid.to_int slist.SList.Node.id) in + let line = if tab == default_line then + let x = Array.copy tab in + (set h (Uid.to_int slist.SList.Node.id) x;x) else tab in - set tab tag data - end - - module TransCache2 = struct - include Hashtbl.Make (struct - type t = Tag.t*SList.t - let equal (a,b) (c,d) = a==c && b==d - let hash (a,b) = HASHINT2((Obj.magic a), b.SList.Node.id) - end) - - let add h t s d = add h (t,s) d - let find h t s = find h (t,s) + set line tag data + end - - let td_trans = TransCache.create 10000 (* should be number of tags *number of states^2 - in the document *) let empty_size n = let rec loop acc = function 0 -> acc | n -> loop (SList.cons StateSet.empty acc) (n-1) in loop SList.nil n - module FllTable = Hashtbl.Make (struct type t = Formlistlist.t - let equal = (==) - let hash t = t.Formlistlist.Node.id - end) - + module Fold2Res = struct - external get : 'a array -> int ->'a = "%array_unsafe_get" - external set : 'a array -> int -> 'a -> unit = "%array_unsafe_set" - external field1 : 'a -> 'b = "%field1" - type 'a t = 'a array array array array - let dummy = [||] - let dummy_val : 'a = - let v = Obj.repr ((),2,()) in - Obj.magic v - - let create n = Array.create n dummy - - let find h tag fl s1 s2 = - let af = get h tag in - if af == dummy then raise Not_found - else - let as1 = get af fl.Formlistlist.Node.id in - if as1 == dummy then raise Not_found - else - let as2 = get as1 s1.SList.Node.id in - if as2 == dummy then raise Not_found - else let v = get as2 s2.SList.Node.id in - if field1 v == 2 then raise Not_found - else v - - let add h tag fl s1 s2 data = - let af = - let x = get h tag in - if x == dummy then - begin - let y = Array.make 10000 dummy in - set h tag y;y - end - else x - in - let as1 = - let x = get af fl.Formlistlist.Node.id in - if x == dummy then - begin - let y = Array.make 10000 dummy in - set af fl.Formlistlist.Node.id y;y - end - else x - in - let as2 = - let x = get as1 s1.SList.Node.id in - if x == dummy then - begin - let y = Array.make 10000 dummy_val in - set as1 s1.SList.Node.id y;y - end - else x - in - set as2 s2.SList.Node.id data - end + let get = Array.unsafe_get + let set = Array.set + external field1 : Obj.t -> int = "%field1" + type t = Obj.t array array array array + let dummy_val = Obj.repr ((),2,()) + + let default_line3 = Array.create BIG_A_SIZE dummy_val + let default_line2 = Array.create BIG_A_SIZE default_line3 + let default_line1 = Array.create BIG_A_SIZE default_line2 + + let create n = Array.create n default_line1 - module Fold2Res2 = struct - include Hashtbl.Make(struct - type t = Tag.t*Formlistlist.t*SList.t*SList.t - let equal (a,b,c,d) (x,y,z,t) = - a == x && b == y && c == z && d == t - let hash (a,b,c,d) = HASHINT4 (a,b.Formlistlist.Node.id, - c.SList.Node.id,d.SList.Node.id) - end) - let add h t f s1 s2 d = - add h (t,f,s1,s2) d - let find h t f s1 s2 = - find h (t,f,s1,s2) + let find h tag fl s1 s2 : SList.t*bool*(merge_conf array) = + let l1 = get h tag in + let l2 = get l1 (Uid.to_int fl.Formlistlist.Node.id) in + let l3 = get l2 (Uid.to_int s1.SList.Node.id) in + Obj.magic (get l3 (Uid.to_int s2.SList.Node.id)) + + let is_valid b = (Obj.magic b) != 2 + let get_replace tab idx default = + let e = get tab idx in + if e == default then + let ne = Array.copy e in (set tab idx ne;ne) + else e + + let add h tag fl s1 s2 (data: SList.t*bool*(merge_conf array)) = + let l1 = get_replace h tag default_line1 in + let l2 = get_replace l1 (Uid.to_int fl.Formlistlist.Node.id) default_line2 in + let l3 = get_replace l2 (Uid.to_int s1.SList.Node.id) default_line3 in + set l3 (Uid.to_int s2.SList.Node.id) (Obj.repr data) end - let h_fold2 = Fold2Res.create 10000 + + - let top_down ?(noright=false) a tree t slist ctx slot_size = + let top_down ?(noright=false) a tree t slist ctx slot_size td_trans h_fold2= let pempty = empty_size slot_size in let rempty = Array.make slot_size RS.empty in (* evaluation starts from the right so we put sl1,res1 at the end *) let eval_fold2_slist fll t tag (sl2,res2) (sl1,res1) = let res = Array.copy rempty in - try - let r,b,btab = Fold2Res.find h_fold2 tag fll sl1 sl2 in - if b then for i=0 to slot_size - 1 do - res.(i) <- RS.merge btab.(i) t res1.(i) res2.(i); - done; - r,res - with - Not_found -> - begin - let btab = Array.make slot_size NO in - let rec fold l1 l2 fll i aq ab = - match fll.Formlistlist.Node.node, - l1.SList.Node.node, - l2.SList.Node.node - with - | Formlistlist.Cons(fl,fll), - SList.Cons(s1,ll1), - SList.Cons(s2,ll2) -> - let r',conf = eval_formlist tag s1 s2 fl in - let _ = btab.(i) <- conf - in - fold ll1 ll2 fll (i+1) (SList.cons r' aq) ((conf!=NO)||ab) - | _ -> aq,ab - in - let r,b = fold sl1 sl2 fll 0 SList.nil false in - Fold2Res.add h_fold2 tag fll sl1 sl2 (r,b,btab); - if b then for i=0 to slot_size - 1 do - res.(i) <- RS.merge btab.(i) t res1.(i) res2.(i); - done; - r,res; - end + let r,b,btab = Fold2Res.find h_fold2 tag fll sl1 sl2 in + if Fold2Res.is_valid b then + begin + if b then for i=0 to slot_size - 1 do + res.(0) <- RS.merge btab.(0) t res1.(0) res2.(0); + done; + r,res + end + else + begin + let btab = Array.make slot_size NO in + let rec fold l1 l2 fll i aq ab = + match fll.Formlistlist.Node.node, + l1.SList.Node.node, + l2.SList.Node.node + with + | Formlistlist.Cons(fl,fll), + SList.Cons(s1,ll1), + SList.Cons(s2,ll2) -> + let r',conf = eval_formlist tag s1 s2 fl in + let _ = btab.(i) <- conf + in + fold ll1 ll2 fll (i+1) (SList.cons r' aq) ((conf!=NO)||ab) + | _ -> aq,ab + in + let r,b = fold sl1 sl2 fll 0 SList.nil false in + Fold2Res.add h_fold2 tag fll sl1 sl2 (r,b,btab); + if b then for i=0 to slot_size - 1 do + res.(i) <- RS.merge btab.(i) t res1.(i) res2.(i); + done; + r,res; + end in let null_result = (pempty,Array.copy rempty) in - let rec loop t slist ctx = - if t == Tree.nil then null_result else get_trans t slist (Tree.tag tree t) ctx - and loop_tag tag t slist ctx = - if t == Tree.nil then null_result else get_trans t slist tag ctx - and loop_no_right t slist ctx = - if t == Tree.nil then null_result else get_trans ~noright:true t slist (Tree.tag tree t) ctx - and get_trans ?(noright=false) t slist tag ctx = - let cont = - try - TransCache.find td_trans tag slist - with - | Not_found -> - let fl_list,llist,rlist,ca,da,sa,fa = - SList.fold - (fun set (fll_acc,lllacc,rllacc,ca,da,sa,fa) -> (* For each set *) - let fl,ll,rr,ca,da,sa,fa = - StateSet.fold - (fun q acc -> - List.fold_left - (fun ((fl_acc,ll_acc,rl_acc,c_acc,d_acc,s_acc,f_acc) as acc) - (ts,t) -> - if (TagSet.mem tag ts) - then - let _,_,_,f,_ = t.Transition.node in - let (child,desc,below),(sibl,foll,after) = Formula.st f in - (Formlist.cons t fl_acc, - StateSet.union ll_acc below, - StateSet.union rl_acc after, - StateSet.union child c_acc, - StateSet.union desc d_acc, - StateSet.union sibl s_acc, - StateSet.union foll f_acc) - else acc ) acc ( - try Hashtbl.find a.trans q - with - Not_found -> Printf.eprintf "Looking for state %i, doesn't exist!!!\n%!" - q;[] - ) - - ) set (Formlist.nil,StateSet.empty,StateSet.empty,ca,da,sa,fa) - in (Formlistlist.cons fl fll_acc), (SList.cons ll lllacc), (SList.cons rr rllacc),ca,da,sa,fa) - slist (Formlistlist.nil,SList.nil,SList.nil,StateSet.empty,StateSet.empty,StateSet.empty,StateSet.empty) - in - (* Logic to chose the first and next function *) - let tags_child,tags_below,tags_siblings,tags_after = Tree.tags tree tag in - let d_f = Algebra.decide a tags_child tags_below (StateSet.union ca da) true in - let d_n = Algebra.decide a tags_siblings tags_after (StateSet.union sa fa) false in - let f_kind,first = choose_jump_down tree d_f - and n_kind,next = if noright then (`NIL, fun _ _ -> Tree.nil ) - else choose_jump_next tree d_n in - (*let f_kind,first = `ANY, Tree.first_child tree - and n_kind,next = `ANY, Tree.next_sibling_below tree - in *) - let empty_res = null_result in - let cont = - match f_kind,n_kind with - | `NIL,`NIL -> - (fun t _ -> eval_fold2_slist fl_list t (Tree.tag tree t) empty_res empty_res) - | _,`NIL -> ( - match f_kind with - (*|`TAG(tag') -> - let default = fun t _ -> eval_fold2_slist fl_list t (Tree.tag tree t) empty_res - (loop_tag tag' (first t) llist t ) - in default (* - let cf = SList.hd llist in - if (slot_size == 1) && StateSet.is_singleton cf - then - let s = StateSet.choose cf in - if (Algebra.is_rec a s fst) && (Algebra.is_rec a s snd) - && (Algebra.is_final_marking a s) - then - RS.mk_quick_tag_loop default llist 1 tree tag' - else default - else default *) *) - | _ -> - (fun t _ -> eval_fold2_slist fl_list t (Tree.tag tree t) empty_res - (loop (first t) llist t )) - ) - | `NIL,_ -> ( - match n_kind with - |`TAG(tag') -> - if SList.equal rlist slist && tag == tag' then - let rec loop t ctx = - if t == Tree.nil then empty_res else - let res2 = loop (next t ctx) ctx in - eval_fold2_slist fl_list t tag res2 empty_res - in loop - else - (fun t ctx -> eval_fold2_slist fl_list t (Tree.tag tree t) - (loop_tag tag' (next t ctx) rlist ctx ) empty_res) - - | _ -> - (fun t ctx -> eval_fold2_slist fl_list t (Tree.tag tree t) - (loop (next t ctx) rlist ctx ) empty_res) - ) + let empty_res = null_result in + + let rec loop t ctx slist _ = + if t == Tree.nil then null_result else + let tag = Tree.tag tree t in + (CodeCache.get_fun td_trans slist tag) t ctx slist tag false + (* get_trans t ctx slist tag false + (CodeCache.get_opcode td_trans slist tag) + *) + and loop_tag t ctx slist tag = + if t == Tree.nil then null_result else + (CodeCache.get_fun td_trans slist tag) t ctx slist tag false + (* get_trans t ctx slist tag false + (CodeCache.get_opcode td_trans slist tag) *) + + and loop_no_right t ctx slist _ = + if t == Tree.nil then null_result else + let tag = Tree.tag tree t in + (CodeCache.get_fun td_trans slist tag) t ctx slist tag true + (* get_trans t ctx slist tag true + (CodeCache.get_opcode td_trans slist tag) *) + (* + and get_trans t ctx slist tag noright opcode = + match opcode with + | OpCode.K0 fll -> + eval_fold2_slist fll t tag empty_res empty_res + + | OpCode.K1 (fll,first,llist,tag1) -> + eval_fold2_slist fll t tag empty_res + (loop_tag (first t) t llist tag1) + + | OpCode.K2 (fll,first,llist) -> + eval_fold2_slist fll t tag empty_res + (loop (first t) t llist) + + | OpCode.K3 (fll,next,rlist,tag2) -> + eval_fold2_slist fll t tag + (loop_tag (next t ctx) ctx rlist tag2) + empty_res + | OpCode.K4 (fll,next,rlist) -> + eval_fold2_slist fll t tag + (loop (next t ctx) ctx rlist) + empty_res + + | OpCode.K5 (fll,next,rlist,tag2,first,llist,tag1) -> + eval_fold2_slist fll t tag + (loop_tag (next t ctx) ctx rlist tag2) + (loop_tag (first t) t llist tag1) + + | OpCode.K6 (fll,next,rlist,first,llist,tag1) -> + eval_fold2_slist fll t tag + (loop (next t ctx) ctx rlist) + (loop_tag (first t) t llist tag1) + + | OpCode.K7 (fll,next,rlist,tag2,first,llist) -> + eval_fold2_slist fll t tag + (loop_tag (next t ctx) ctx rlist tag2) + (loop (first t) t llist) + + | OpCode.K8 (fll,next,rlist,first,llist) -> + eval_fold2_slist fll t tag + (loop (next t ctx) ctx rlist) + (loop (first t) t llist) + + | OpCode.KDefault _ -> + mk_trans t ctx tag slist noright + *) + and mk_trans t ctx slist tag noright = + let fl_list,llist,rlist,ca,da,sa,fa = + SList.fold + (fun set (fll_acc,lllacc,rllacc,ca,da,sa,fa) -> (* For each set *) + let fl,ll,rr,ca,da,sa,fa = + StateSet.fold + (fun q acc -> + List.fold_left + (fun ((fl_acc,ll_acc,rl_acc,c_acc,d_acc,s_acc,f_acc) as acc) + (ts,t) -> + if (TagSet.mem tag ts) + then + let _,_,_,f,_ = t.Transition.node in + let (child,desc,below),(sibl,foll,after) = Formula.st f in + (Formlist.cons t fl_acc, + StateSet.union ll_acc below, + StateSet.union rl_acc after, + StateSet.union child c_acc, + StateSet.union desc d_acc, + StateSet.union sibl s_acc, + StateSet.union foll f_acc) + else acc ) acc ( + try Hashtbl.find a.trans q + with + Not_found -> Printf.eprintf "Looking for state %i, doesn't exist!!!\n%!" + q;[] + ) - | `TAG(tag1),`TAG(tag2) -> - (fun t ctx -> - eval_fold2_slist fl_list t (Tree.tag tree t) - (loop_tag tag2 (next t ctx) rlist ctx ) - (loop_tag tag1 (first t) llist t )) + ) set (Formlist.nil,StateSet.empty,StateSet.empty,ca,da,sa,fa) + in (Formlistlist.cons fl fll_acc), (SList.cons ll lllacc), (SList.cons rr rllacc),ca,da,sa,fa) + slist (Formlistlist.nil,SList.nil,SList.nil,StateSet.empty,StateSet.empty,StateSet.empty,StateSet.empty) + in + (* Logic to chose the first and next function *) + let tags_child,tags_below,tags_siblings,tags_after = Tree.tags tree tag in + let d_f = Algebra.decide a tags_child tags_below (StateSet.union ca da) true in + let d_n = Algebra.decide a tags_siblings tags_after (StateSet.union sa fa) false in + let f_kind,first = choose_jump_down tree d_f + and n_kind,next = if noright then (`NIL, fun _ _ -> Tree.nil ) + else choose_jump_next tree d_n in + let empty_res = null_result in + let fll = fl_list in + let cont = + match f_kind,n_kind with + | `NIL,`NIL -> (*OpCode.K0(fl_list) *) + fun t _ _ tag _ -> eval_fold2_slist fll t tag empty_res empty_res + + | _,`NIL -> ( + match f_kind with + |`TAG(tag1) -> (*OpCode.K1(fl_list,first,llist,tag1) *) + fun t _ _ tag _ -> eval_fold2_slist fll t tag empty_res + (loop_tag (first t) t llist tag1) + | _ -> (* OpCode.K2(fl_list,first,llist) *) + fun t _ _ tag _ -> eval_fold2_slist fll t tag empty_res + (loop (first t) t llist tag) + ) + | `NIL,_ -> ( + match n_kind with + |`TAG(tag2) -> (*OpCode.K3(fl_list,next,rlist,tag2) *) + fun t ctx _ tag _ -> + eval_fold2_slist fll t tag + (loop_tag (next t ctx) ctx rlist tag2) + empty_res + + | _ -> (*OpCode.K4(fl_list,next,rlist) *) + fun t ctx _ tag _ -> + eval_fold2_slist fll t tag + (loop (next t ctx) ctx rlist tag) + empty_res + + ) + + | `TAG(tag1),`TAG(tag2) -> (*OpCode.K5(fl_list,next,rlist,tag2,first,llist,tag1) *) + fun t ctx _ tag _ -> + eval_fold2_slist fll t tag + (loop_tag (next t ctx) ctx rlist tag2) + (loop_tag (first t) t llist tag1) - | `TAG(tag'),`ANY -> - (fun t ctx -> - eval_fold2_slist fl_list t (Tree.tag tree t) - (loop (next t ctx) rlist ctx ) - (loop_tag tag' (first t) llist t )) - - | `ANY,`TAG(tag') -> - (fun t ctx -> - eval_fold2_slist fl_list t (Tree.tag tree t) - (loop_tag tag' (next t ctx) rlist ctx ) - (loop (first t) llist t )) + | `TAG(tag1),`ANY -> (* OpCode.K6(fl_list,next,rlist,first,llist,tag1) *) + fun t ctx _ tag _ -> + eval_fold2_slist fll t tag + (loop (next t ctx) ctx rlist tag) + (loop_tag (first t) t llist tag1) + + | `ANY,`TAG(tag2) -> (* OpCode.K7(fl_list,next,rlist,tag2,first,llist) *) + fun t ctx _ tag _ -> + eval_fold2_slist fll t tag + (loop_tag (next t ctx) ctx rlist tag2) + (loop (first t) t llist tag) + - | `ANY,`ANY -> - (*if SList.equal slist rlist && SList.equal slist llist - then - let rec loop t ctx = - if t == Tree.nil then empty_res else - let r1 = loop (first t) t - and r2 = loop (next t ctx) ctx - in - eval_fold2_slist fl_list t (Tree.tag tree t) r2 r1 - in loop - else *) - (fun t ctx -> - eval_fold2_slist fl_list t (Tree.tag tree t) - (loop (next t ctx) rlist ctx ) - (loop (first t) llist t )) - | _,_ -> - (fun t ctx -> - eval_fold2_slist fl_list t (Tree.tag tree t) - (loop (next t ctx) rlist ctx ) - (loop (first t) llist t )) - - in - let cont = D_IF_( (fun t ctx -> - let a,b = cont t ctx in - register_trace tree t (slist,a,fl_list,first,next,ctx); - (a,b) - ) ,cont) - in - ( TransCache.add td_trans tag slist cont ; cont) - in cont t ctx - + | _,_ -> (*OpCode.K8(fl_list,next,rlist,first,llist) *) + (*if SList.equal slist rlist && SList.equal slist llist + then + let rec loop t ctx = + if t == Tree.nil then empty_res else + let r1 = loop (first t) t + and r2 = loop (next t ctx) ctx + in + eval_fold2_slist fl_list t (Tree.tag tree t) r2 r1 + in loop + else *) + fun t ctx _ tag _ -> + eval_fold2_slist fll t tag + (loop (next t ctx) ctx rlist tag) + (loop (first t) t llist tag) + + + + in + CodeCache.set_fun td_trans slist tag cont; + cont t ctx slist tag noright in - (if noright then loop_no_right else loop) t slist ctx + let _ = CodeCache.init mk_trans in + (if noright then loop_no_right else loop) t ctx slist Tag.dummy - let run_top_down a tree = - let init = SList.cons a.init SList.nil in - let _,res = top_down a tree Tree.root init Tree.root 1 - in - D_IGNORE_( - output_trace a tree "trace.html" - (RS.fold (fun t a -> IntSet.add (Tree.id tree t) a) res.(0) IntSet.empty), + + let run_top_down a tree = + let init = SList.cons a.init SList.nil in + let _,res = top_down a tree Tree.root init Tree.root 1 (CodeCache.create BIG_A_SIZE) (Fold2Res.create 1024) + in + D_IGNORE_( + output_trace a tree "trace.html" + (RS.fold (fun t a -> IntSet.add (Tree.id tree t) a) res.(0) IntSet.empty), res.(0)) - ;; + ;; + + + + + + module Code3Cache = + struct + let get = Array.get + let set = Array.set + let realloc a new_size default = + let old_size = Array.length a in + if old_size == new_size then a + else if new_size == 0 then [||] + else let na = Array.create new_size default in + Array.blit a 0 na 0 old_size;na + + type fun_tree = [`Tree] Tree.node -> [`Tree] Tree.node -> StateSet.t -> Tag.t -> StateSet.t*RS.t + and t = { mutable table : fun_tree array array; + mutable default_elm : fun_tree; + mutable default_line : fun_tree array; + (* statistics *) + mutable access : int; + mutable miss : int; + } + + + let create () = + { table = [||]; + default_elm = (fun _ _ _ _ -> failwith "Uninitialized Code3Cache.t structure\n"); + default_line = [||]; + access = 0; + miss = 0 } + + let init h f = + let default_line = Array.create SMALL_A_SIZE f in + begin + h.table <- Array.create SMALL_A_SIZE default_line; + h.default_elm <- f; + h.default_line <- default_line; + h.access <- 0; + h.miss <- 0 + end + + let next_power_of_2 n = + let rec loop i acc = + if acc == 0 then i + else loop (i+1) (acc lsr 1) + in + 1 lsl (loop 0 n) + + let get_fun h slist tag = + let _ = h.access <- h.access + 1 in + let idx = Uid.to_int slist.StateSet.Node.id in + let line = + if idx >= Array.length h.table then + let new_tab = realloc h.table (next_power_of_2 idx) h.default_line in + let _ = h.miss <- h.miss + 1; h.table <- new_tab in h.default_line + else Array.unsafe_get h.table idx + in + if tag >= Array.length line then + let new_line = realloc line (next_power_of_2 tag) h.default_elm in + let _ = h.miss <- h.miss + 1; Array.unsafe_set h.table idx new_line in h.default_elm + else Array.unsafe_get line tag + + let set_fun (h : t) slist tag (data : fun_tree) = + let idx = Uid.to_int slist.StateSet.Node.id in + let line = + if idx >= Array.length h.table then + let new_tab = realloc h.table (next_power_of_2 idx) h.default_line in + let _ = h.table <- new_tab in h.default_line + else Array.unsafe_get h.table idx + in + let line = if line == h.default_line then + let l = Array.copy line in Array.unsafe_set h.table idx l;l + else line in + let line = if tag >= Array.length line then + let new_line = realloc line (next_power_of_2 tag) h.default_elm in + let _ = Array.unsafe_set h.table idx new_line in new_line + else line + in + Array.unsafe_set line tag data + + + let dump h = Array.iteri + (fun id line -> if line != h.default_line then + begin + StateSet.print Format.err_formatter (StateSet.with_id (Uid.of_int id)); + Format.fprintf Format.err_formatter " -> "; + Array.iteri (fun tag clos -> + if clos != h.default_elm then + Format.fprintf Format.err_formatter " (%s,%s) " + (Tag.to_string tag) (Trace.get_funname clos)) line; + Format.fprintf Format.err_formatter "\n%!" + end + ) h.table; + Format.fprintf Format.err_formatter "Cache hits: %i, Cache misses: %i, ratio = %f\n%!" + h.access h.miss ((float_of_int h.miss)/. (float_of_int h.access)); + Format.fprintf Format.err_formatter "Size: %i kb\n%!" + (((2+(Array.length h.default_line)+ + (Array.fold_left (fun acc l ->acc + (if l == h.default_line then 0 else Array.length l)) + (Array.length h.table) h.table)) * Sys.word_size) / 1024) + + end + + module StaticEnv = + struct + + type t = { stack : Obj.t array; + mutable top : int; } + + let create () = { stack = Array.create BIG_A_SIZE (Obj.repr 0); top = 0 } + let add t e = + let _ = if t.top >= Array.length t.stack then failwith "Static Env overflow" in + let i = t.top in Array.unsafe_set t.stack i e; t.top <- i + 1; i + + let get t i :'a = Obj.magic (Array.unsafe_get t.stack i) + end + + module Fold3Res = struct + let get = Array.unsafe_get + let set = Array.set + external field1 : Obj.t -> int = "%field1" + type t = Obj.t array array array array + let dummy_val = Obj.repr ((),2,()) + + let default_line3 = Array.create 1024 dummy_val + let default_line2 = Array.create BIG_A_SIZE default_line3 + let default_line1 = Array.create BIG_A_SIZE default_line2 + + let create n = Array.create n default_line1 + + let find h tag fl s1 s2 : StateSet.t*bool*merge_conf = + let l1 = get h (Uid.to_int fl.Formlist.Node.id) in + let l2 = get l1 (Uid.to_int s1.StateSet.Node.id) in + let l3 = get l2 (Uid.to_int s2.StateSet.Node.id) in + Obj.magic (get l3 tag) + + let is_valid b = b != (Obj.magic dummy_val) + let get_replace tab idx default = + let e = get tab idx in + if e == default then + let ne = Array.copy e in (set tab idx ne;ne) + else e + + let add h tag fl s1 s2 (data: StateSet.t*bool*merge_conf) = + let l1 = get_replace h (Uid.to_int fl.Formlist.Node.id) default_line1 in + let l2 = get_replace l1 (Uid.to_int s1.StateSet.Node.id) default_line2 in + let l3 = get_replace l2 (Uid.to_int s2.StateSet.Node.id) default_line3 in + set l3 tag (Obj.repr data) + end + + + let empty_res = StateSet.empty,RS.empty + + let top_down1 a tree t slist ctx td_trans h_fold2 = + (* evaluation starts from the right so we put sl1,res1 at the end *) + let env = StaticEnv.create () in + let slist_reg = ref StateSet.empty in + let eval_fold2_slist fll t tag (sl2,res2) (sl1,res1) = + let data = Fold3Res.find h_fold2 tag fll sl1 sl2 in + if Fold3Res.is_valid data then + let r,b,conf = data in + (r,if b then RS.merge conf t res1 res2 else RS.empty) + else + let r,conf = eval_formlist tag sl1 sl2 fll in + let b = conf <> NO in + (Fold3Res.add h_fold2 tag fll sl1 sl2 (r,b,conf); + (r, if b then RS.merge conf t res1 res2 else RS.empty)) + + in + let loop t ctx slist _ = + if t == Tree.nil then empty_res else + let tag = Tree.tag tree t in + (Code3Cache.get_fun td_trans slist tag) t ctx slist tag + + in + let loop_tag t ctx slist tag = + if t == Tree.nil then empty_res else + (Code3Cache.get_fun td_trans slist tag) t ctx slist tag + + in + let mk_trans t ctx slist tag = + let fl_list,llist,rlist,ca,da,sa,fa = + StateSet.fold + (fun q acc -> + List.fold_left + (fun ((fl_acc,ll_acc,rl_acc,c_acc,d_acc,s_acc,f_acc) as acc) + (ts,t) -> + if (TagSet.mem tag ts) + then + let _,_,_,f,_ = t.Transition.node in + let (child,desc,below),(sibl,foll,after) = Formula.st f in + (Formlist.cons t fl_acc, + StateSet.union ll_acc below, + StateSet.union rl_acc after, + StateSet.union child c_acc, + StateSet.union desc d_acc, + StateSet.union sibl s_acc, + StateSet.union foll f_acc) + else acc ) acc ( + try Hashtbl.find a.trans q + with + Not_found -> Printf.eprintf "Looking for state %i, doesn't exist!!!\n%!" + q;[] + ) + + ) slist (Formlist.nil,StateSet.empty,StateSet.empty, + StateSet.empty,StateSet.empty,StateSet.empty,StateSet.empty) + + in + (* Logic to chose the first and next function *) + let tags_child,tags_below,tags_siblings,tags_after = Tree.tags tree tag in + let d_f = Algebra.decide a tags_child tags_below (StateSet.union ca da) true in + let d_n = Algebra.decide a tags_siblings tags_after (StateSet.union sa fa) false in + let f_kind,first = choose_jump_down tree d_f + and n_kind,next = choose_jump_next tree d_n in + + let cont = + match f_kind,n_kind with + | `NIL,`NIL -> + fun t _ _ tag -> eval_fold2_slist fl_list t tag empty_res empty_res + + | _,`NIL -> ( + match f_kind with + |`TAG(tag1) -> + (fun t _ _ tag -> eval_fold2_slist fl_list t tag empty_res + (loop_tag (first t) t llist tag1)) + | _ -> + fun t _ _ tag -> eval_fold2_slist fl_list t tag empty_res + (loop (first t) t llist tag) + ) + | `NIL,_ -> ( + match n_kind with + |`TAG(tag2) -> + fun t ctx _ tag -> + eval_fold2_slist fl_list t tag + (loop_tag (next t ctx) ctx rlist tag2) + empty_res + + | _ -> + fun t ctx _ tag -> + eval_fold2_slist fl_list t tag + (loop (next t ctx) ctx rlist tag) + empty_res + + ) + + | `TAG(tag1),`TAG(tag2) -> + fun t ctx _ tag -> + eval_fold2_slist fl_list t tag + (loop_tag (next t ctx) ctx rlist tag2) + (loop_tag (first t) t llist tag1) + + | `TAG(tag1),`ANY -> + fun t ctx _ tag -> + eval_fold2_slist fl_list t tag + (loop (next t ctx) ctx rlist tag) + (loop_tag (first t) t llist tag1) + + | `ANY,`TAG(tag2) -> + fun t ctx _ tag -> + eval_fold2_slist fl_list t tag + (loop_tag (next t ctx) ctx rlist tag2) + (loop (first t) t llist tag) + + + | _,_ -> + fun t ctx _ tag -> + eval_fold2_slist fl_list t tag + (loop (next t ctx) ctx rlist tag) + (loop (first t) t llist tag) + + + + in + let _ = Trace.register_funname cont + (Printf.sprintf "{first=%s, next=%s}" (Trace.get_funname first) (Trace.get_funname next)) + in + Code3Cache.set_fun td_trans slist tag cont; + cont + in + let cache_take_trans t ctx slist tag = + let cont = mk_trans t ctx slist tag in + cont t ctx slist tag + in + Code3Cache.init td_trans (cache_take_trans); + loop t ctx slist Tag.dummy + + + let run_top_down1 a tree = + let code_cache = Code3Cache.create () in + let fold_cache = Fold3Res.create BIG_A_SIZE in + let _,res = top_down1 a tree Tree.root a.init Tree.root code_cache fold_cache + in + (*Code3Cache.dump code_cache; *) + res + module Configuration = struct @@ -1189,7 +1498,7 @@ END if Ptss.mem s c.sets then { c with results = IMap.add s (RS.concat r (IMap.find s c.results)) c.results} else - { hash = HASHINT2(c.hash,Ptset.Int.uid s); + { hash = HASHINT2(c.hash,Uid.to_int s.StateSet.Node.id); sets = Ptss.add s c.sets; results = IMap.add s r c.results } @@ -1223,7 +1532,7 @@ END in let h,s = Ptss.fold - (fun s (ah,ass) -> (HASHINT2(ah,Ptset.Int.uid s), + (fun s (ah,ass) -> (HASHINT2(ah, Uid.to_int s.StateSet.Node.id ), Ptss.add s ass)) (Ptss.union c1.sets c2.sets) (0,Ptss.empty) in @@ -1247,8 +1556,8 @@ END Hashtbl.find h_fold key with Not_found -> let res = - if dir then eval_formlist tag s Ptset.Int.empty formlist - else eval_formlist tag Ptset.Int.empty s formlist + if dir then eval_formlist tag s StateSet.empty formlist + else eval_formlist tag StateSet.empty s formlist in (Hashtbl.add h_fold key res;res) in let (rb,rb1,rb2,mark) = bool_of_merge mcnf in @@ -1270,7 +1579,7 @@ END let h_trans = Hashtbl.create 4096 let get_up_trans slist ptag a tree = - let key = (HASHINT2(SList.uid slist,ptag)) in + let key = (HASHINT2(Uid.to_int slist.SList.Node.id ,ptag)) in try Hashtbl.find h_trans key with @@ -1321,7 +1630,7 @@ END let slist = SList.rev (slist) in let newconf = fold_f_conf tree parent slist fl_list conf dir in let accu,newconf = Configuration.IMap.fold (fun s res (ar,nc) -> - if Ptset.Int.intersect s init then + if StateSet.intersect s init then ( RS.concat res ar ,nc) else (ar,Configuration.add nc s res)) (newconf.Configuration.results) (accu,Configuration.empty) @@ -1338,8 +1647,8 @@ END | Not_found -> let res = Hashtbl.fold (fun q l acc -> if List.exists (fun (ts,_) -> TagSet.mem tag ts) l - then Ptset.Int.add q acc - else acc) a.trans Ptset.Int.empty + then StateSet.add q acc + else acc) a.trans StateSet.empty in Hashtbl.add h_tdconf tag res;res in (* let _ = pr ", among "; @@ -1347,7 +1656,7 @@ END pr "\n%!"; in *) let r = SList.cons r SList.nil in - let set,res = top_down (~noright:noright) a tree t r t 1 in + let set,res = top_down (~noright:noright) a tree t r t 1 (CodeCache.create BIG_A_SIZE) (Fold2Res.create 1024) in let set = match SList.node set with | SList.Cons(x,_) ->x | _ -> assert false @@ -1396,7 +1705,9 @@ END end let top_down_count a t = let module RI = Run(Integer) in Integer.length (RI.run_top_down a t) + let top_down_count1 a t = let module RI = Run(Integer) in Integer.length (RI.run_top_down1 a t) let top_down a t = let module RI = Run(IdSet) in (RI.run_top_down a t) + let top_down1 a t = let module RI = Run(IdSet) in (RI.run_top_down1 a t) let bottom_up_count a t k = let module RI = Run(Integer) in Integer.length (RI.run_bottom_up a t k) let bottom_up a t k = let module RI = Run(IdSet) in (RI.run_bottom_up a t k) @@ -1404,5 +1715,6 @@ END struct module Results = GResult(Doc) let top_down a t = let module R = Run(Results) in (R.run_top_down a t) + let top_down1 a t = let module R = Run(Results) in (R.run_top_down1 a t) end