INCLUDE "debug.ml"
-INCLUDE "trace.ml"
+INCLUDE "log.ml"
INCLUDE "utils.ml"
open Format
val top_down_run : Ata.t -> Tree.t -> Tree.node -> result_set
val bottom_up_run : Ata.t -> Tree.t -> Compile.text_query * string -> result_set
val grammar_run : Ata.t -> Grammar2.t -> unit -> result_set
-
+ val naive_top_down_run : Ata.t -> Tree.t -> Tree.node -> result_set
+ val twopass_top_down_run : Ata.t -> Tree.t -> Tree.node -> result_set
end
module Make (U : ResJIT.S) : S with type result_set = U.NS.t =
let eval_trans auto s1 s2 trans =
+ LOG(__ "top-down-run" 3 "Evaluating transition list:@\n%a" Translist.print trans);
Translist.fold
(fun t ((a_st, a_op, a_todo) as acc)->
let q, _, m, f = Transition.node t in
let show_stats a =
let count = ref 0 in
Cache.Lvl3.iteri (fun _ _ _ _ b -> if not b then incr count) a;
- eprintf "%!L3JIT: %i used entries\n%!" !count
+ Logger.print err_formatter "@?L3JIT: %i used entries@\n@?" !count
let create () =
let v = Cache.Lvl3.create 1024 dummy in
if !Options.verbose then at_exit (fun () -> show_stats v);
let cache_apply cache auto tlist s1 s2 =
let f = gen_code auto tlist s1 s2 in
- TRACE("grammar", 2, __ "Inserting: %i, %a, %a\n%!"
+ LOG(__ "grammar" 2 "Inserting: %i, %a, %a\n%!"
(Uid.to_int tlist.Translist.Node.id) StateSet.print s1 StateSet.print s2);
add cache tlist s1 s2 f; f
end
DEFINE LOOP (t, states, ctx) = (
let _t = t in
- TRACE("top-down-run", 3,
- __ "Entering node %i with loop (tag %s, context %i) with states %a\n%!"
- (Node.to_int _t)
- (Tag.to_string (Tree.tag tree _t))
- (Node.to_int (ctx))
- (StateSet.print) (states));
+ LOG(__ "top-down-run" 3
+ "Entering node %i with loop (tag %s, context %i) with states %a"
+ (Node.to_int _t)
+ (Tag.to_string (Tree.tag tree _t))
+ (Node.to_int (ctx))
+ (StateSet.print) (states));
if _t == Tree.nil then nil_res
else
let tag = Tree.tag tree _t in
DEFINE LOOP_TAG (t, states, tag, ctx) = (
let _t = (t) in (* to avoid duplicating expression t *)
- TRACE("top-down-run", 3,
- __ "Entering node %i with loop_tag (tag %s, context %i) with states %a\n%!"
+ LOG(__ "top-down-run" 3
+ "Entering node %i with loop_tag (tag %s, context %i) with states %a"
(Node.to_int _t)
(Tag.to_string (tag))
(Node.to_int (ctx))
l2jit_dispatch
_t (tag) (states) (ctx) (L2JIT.find cache2 (tag) (states)))
-DEFINE LOOP(t, states, ctx) = loop (t) (states) (ctx)
-DEFINE LOOP_TAG(t, states, tag, ctx) = loop_tag (t) (states) (ctx) (tag)
let top_down_run auto tree root states ctx =
let res_len = StateSet.max_elt auto.states + 1 in
in
let cache2 = L2JIT.create () in
- let rec loop t states ctx =
- if t == Tree.nil then nil_res
- else
- let tag = Tree.tag tree t in
- l2jit_dispatch
- t tag (states) (ctx) (L2JIT.find cache2 tag (states))
- and loop_tag t states ctx tag =
- if t == Tree.nil then nil_res
- else
- l2jit_dispatch
- t (tag) (states) (ctx) (L2JIT.find cache2 (tag) (states))
- and l2jit_dispatch t tag states ctx opcode =
+ let rec l2jit_dispatch t tag states ctx opcode =
match opcode with
| L2JIT.RETURN -> nil_res
| L2JIT.CACHE ->
- let opcode = L2JIT.compile cache2 auto tree tag states in
- l2jit_dispatch t tag states ctx opcode
+ LOG(__ "top-down-run" 3
+ "Top-down cache miss for configuration %s %a"
+ (Tag.to_string tag) StateSet.print states);
+ let opcode = L2JIT.compile cache2 auto tree tag states in
+ l2jit_dispatch t tag states ctx opcode
| L2JIT.LEFT (tr_list, instr) ->
let res1, slot1 =
l3jit_dispatch tr_list res1 res2 t slot1 slot2
and l2jit_dispatch_instr t ctx instr =
- match instr with
+ let () = LOG(__ "top-down-run" 3 "Dispatching instr: %a on node %i (context=%i)"
+ L2JIT.print_jump instr (Node.to_int t) (Node.to_int ctx))
+ in
+ match instr with
+ | L2JIT.NOP () -> nil_res
| L2JIT.FIRST_CHILD s -> LOOP ((Tree.first_child tree t), s, ctx)
| L2JIT.NEXT_SIBLING s -> LOOP ((Tree.next_sibling tree t), s, ctx)
| L2JIT.TAGGED_CHILD (s, tag) ->
LOOP_TAG((Tree.tagged_child tree t tag), s, tag, ctx)
- | L2JIT.TAGGED_FOLLOWING_SIBLING (s, tag) ->
- LOOP_TAG((Tree.tagged_following_sibling tree t tag), s, tag, ctx)
+ | L2JIT.TAGGED_SIBLING (s, tag) ->
+ LOOP_TAG((Tree.tagged_sibling tree t tag), s, tag, ctx)
| L2JIT.SELECT_CHILD (s, _, us) ->
LOOP ((Tree.select_child tree t us), s, ctx)
- | L2JIT.SELECT_FOLLOWING_SIBLING (s, _, us) ->
- LOOP ((Tree.select_following_sibling tree t us), s, ctx)
+ | L2JIT.SELECT_SIBLING (s, _, us) ->
+ LOOP ((Tree.select_sibling tree t us), s, ctx)
| L2JIT.TAGGED_SUBTREE(s, tag) ->
mark_subtree s (U.NS.subtree_tags tree t tag)
(*** Bottom-up evaluation function **)
- let ns_print fmt t =
- Format.fprintf fmt "{ ";
- U.NS.iter begin fun node ->
- Format.fprintf fmt "%a " Node.print node;
- end t;
- Format.fprintf fmt "}"
-
- let slot_print fmt t =
- Array.iteri begin fun state ns ->
- Format.eprintf "%a -> %a\n" State.print state ns_print ns;
- end t
-
-
let eval_trans auto tree parent res1 res2 = assert false
let rec uniq = function
| e1 :: ((e2 :: ll) as l) -> if e1 == e2 then uniq l
else e1 :: e2 :: (uniq ll);;
+DEFINE BOTTOM_UP_NEXT(node, rest, stop) =
+ (let ___fs = Tree.first_child tree node in
+ let ___res1 =
+ if ___fs == Tree.nil then nil_res
+ else full_top_down_run auto states tree ___fs
+ in
+ move_up node ___res1 true rest stop)
+
+
let bottom_up_run auto tree (query, pat) =
let array = time ~msg:"Timing text query" (Tree.full_text_query query tree) pat in
let leaves = Array.to_list array in
let res_len = (StateSet.max_elt states) + 1 in
let empty_slot = Array.create res_len U.NS.empty in
let nil_res = auto.bottom_states, empty_slot in
- let cache = Cache.Lvl3.create 1024 L3JIT.dummy in
- let rec loop_leaves l acc =
- match l with
- [] -> acc
- | node :: ll ->
- let res, lll = bottom_up_next node ll Tree.nil in
- if (lll <> []) then
- begin
- eprintf "Leftover nodes: %i\n" (List.length lll);
- end;
- res
-
- and bottom_up_next node rest stop =
- let fs = Tree.first_child tree node in
- let res1 =
- if fs == Tree.nil then nil_res
- else full_top_down_run auto states tree fs
- in
- move_up node res1 true rest stop
-
- and move_up node res is_left rest stop =
+ let cache = Cache.Lvl3.create 0 L3JIT.dummy in
+ let rec move_up node res is_left rest stop =
if node == stop then res, rest
else
- let prev_sibling = Tree.prev_sibling tree node in
- let is_left' = prev_sibling == Tree.nil in
- let real_parent = Tree.parent tree node in
- let parent =
- if is_left' then real_parent else max (Tree.first_child tree real_parent) stop
+ (*let prev_sibling = Tree.prev_sibling tree node in *)
+ let is_left' = Tree.is_first_child tree node (*prev_sibling == Tree.nil*) in
+ (*TODO: unsound in case of following-sibling moves
+ should replace the else by previous_sibling and walk up the sequence of
+ right child moves *)
+ let parent = if is_left' then Tree.parent tree node else
+ let p = Tree.first_child tree (Tree.parent tree node) in
+ if p < stop then stop else p
in
- (* let parent = if is_left' then Tree.parent tree node else prev_sibling in *)
let (s1, sl1), (s2, sl2), rest' =
if is_left then match rest with
[] -> res, nil_res, rest
| next :: rest' ->
if Tree.is_right_descendant tree node next
then
- let res2, rest' = bottom_up_next next rest' node in
+ let res2, rest' = (*bottom_up_next*) BOTTOM_UP_NEXT(next, rest', node) in
res, res2, rest'
else res, nil_res, rest
else
let id1 = Uid.to_int s1.StateSet.Node.id in
let id2 = Uid.to_int s2.StateSet.Node.id in
let code =
- let code = Cache.Lvl3.find cache tag id1 id2 in
- if code == L3JIT.dummy then
+ let code = Cache.Lvl3.find cache id2 id1 tag in
+ if code == L3JIT.dummy then
let trl =
StateSet.fold
(fun q acc ->
List.fold_left (fun acc' (labels, tr) ->
- if labels == TagSet.any || TagSet.mem tag labels
+ if TagSet.mem tag labels
then Translist.cons tr acc' else acc')
acc
(Hashtbl.find auto.trans q)
Translist.nil
in
let code = L3JIT.gen_code auto trl s1 s2 in
- Cache.Lvl3.add cache tag id1 id2 code; code
+ Cache.Lvl3.add cache id2 id1 tag code; code
else code
in
let res' = code empty_slot sl1 sl2 tree node in
move_up parent res' is_left' rest' stop
in
- let _, slot = loop_leaves leaves (nil_res) in
- slot.(StateSet.min_elt auto.topdown_marking_states)
+ let loop_leaves l =
+ match l with
+ [] -> nil_res
+ | node :: ll ->
+ let res, lll = BOTTOM_UP_NEXT( (*bottom_up_next*) node, ll, Tree.nil) in
+ if lll <> [] then
+ Logger.print err_formatter "WARNING: Leftover nodes: %i\n" (List.length lll);
+ res
+ in
+ let _, slot = loop_leaves leaves in
+ slot.(StateSet.min_elt auto.topdown_marking_states)
+
let get_trans g auto tag states =
StateSet.fold (fun q tr_acc ->
let res_len = (StateSet.max_elt auto.states) + 1 in
let empty_slot = Array.create res_len U.NS.empty in
let nil_res = mk_nil auto.bottom_states empty_slot in
- let empty_res = mk_empty (StateSet.empty, empty_slot) in
let cache3 = L3JIT.create () in
let dummy2 = (StateSet.empty, StateSet.empty, Translist.nil) in
let cache2 = Cache.Lvl2.create 512 dummy2 in
let rule_counter = ref 0 in
let preorder_counter = ref 0 in
- let dcache = DCache.create 1023 in
- let ucache = UCache.create 1023 in
let term_array = [| StateSet.empty; StateSet.empty |] in
let get_trans tag states =
let c = Cache.Lvl2.find cache2 tag (Uid.to_int states.StateSet.Node.id) in
in
let lambda = ref 0 in
let rec start_loop idx states =
- TRACE("grammar", 2, __ "Node %i\n%!" (Node.to_int idx));
+ LOG(__ "grammar" 2 "Node %i\n%!" (Node.to_int idx));
if states == dummy_set then nil_res else
if idx < Node.null then nil_res
else begin
;;
+ (* Slow reference top-down implementation *)
+ let naive_top_down auto tree root states ctx =
+ let res_len = StateSet.max_elt auto.states + 1 in
+ let empty_slot = Array.create res_len U.NS.empty in
+ let nil_res = auto.bottom_states, empty_slot in
+ let cache3 = L3JIT.create () in
+ let l3jit_dispatch trl s1 s2 t sl1 sl2 =
+ let f = L3JIT.find cache3 trl s1 s2 in
+ if f == L3JIT.dummy then (L3JIT.cache_apply cache3 auto trl s1 s2) empty_slot sl1 sl2 tree t
+ else f empty_slot sl1 sl2 tree t
+ in
+ let dummy = Translist.nil, StateSet.singleton State.dummy, StateSet.singleton State.dummy in
+ let cache2 = Cache.Lvl2.create 512 dummy in
+ let rec loop t states ctx =
+ if states == StateSet.empty then nil_res
+ else if t == Tree.nil then (*StateSet.inter states auto.bottom_states, empty_slot *) nil_res
+ else
+ let tag = Tree.tag tree t in
+
+ let trans, lstates, rstates =
+ let c = Cache.Lvl2.find cache2 (Uid.to_int states.StateSet.Node.id) tag in
+ if c == dummy then
+ let c = Ata.get_trans auto states tag in
+ Cache.Lvl2.add cache2 (Uid.to_int states.StateSet.Node.id) tag c;
+ c
+ else c
+ in
+ let s1, res1 = loop (Tree.first_child tree t) lstates ctx
+ and s2, res2 = loop (Tree.next_sibling tree t) rstates ctx in
+ l3jit_dispatch trans s1 s2 t res1 res2
+ in
+ loop root states ctx
+
+
+
+
+ let naive_top_down_run auto tree root =
+ let res, slot = naive_top_down auto tree root auto.init (Tree.closing tree root) in
+ slot.(StateSet.min_elt auto.topdown_marking_states)
+
+
+
+ let eval_form auto s1 s2 f =
+ let rec loop f =
+ match Formula.expr f with
+ | Formula.False | Formula.True | Formula.Pred _ -> f
+ | Formula.Atom(`Left, b, q) ->
+ Formula.of_bool (b == (StateSet.mem q s1))
+ | Formula.Atom (`Right, b, q) ->
+ Formula.of_bool(b == (StateSet.mem q s2))
+ | Formula.Atom (`Epsilon, _, _) -> assert false
+
+ | Formula.Or(f1, f2) ->
+ let b1 = loop f1 in
+ let b2 = loop f2 in
+ Formula.or_pred b1 b2
+ | Formula.And(f1, f2) ->
+ let b1 = loop f1 in
+ let b2 = loop f2 in
+ Formula.and_pred b1 b2
+ in
+ loop f
+
+ let eval_trans auto s1 s2 trans =
+ Translist.fold
+ (fun t ((a_st, mark) as acc)->
+ let q, _, m, f = Transition.node t in
+ let form = eval_form auto s1 s2 f in
+ match Formula.expr form with
+ | Formula.True -> StateSet.add q a_st, mark || m
+ | Formula.False -> acc
+ | _ -> assert false
+ ) trans (StateSet.empty, false)
+
+
+ let set a i v =
+ LOG(__ "twopass" 2 "Setting node %i to state %a\n%!"
+ i StateSet.print v);
+ a.(i) <- v
+
+ let twopass_top_down states_array auto tree root states ctx =
+ let dummy3 = StateSet.singleton State.dummy in
+ let cache3 = Cache.Lvl3.create 512 dummy3 in
+ let dummy2 = Translist.nil, StateSet.singleton State.dummy, StateSet.singleton State.dummy in
+ let cache2 = Cache.Lvl2.create 512 dummy2 in
+ let attributes = TagSet.inj_positive (Tree.attribute_tags tree) in
+ let rec loop t states ctx =
+ if t == Tree.nil then auto.bottom_states
+ else if states == StateSet.empty then
+ let () = set states_array (Node.to_int t) auto.bottom_states in
+ auto.bottom_states
+ else
+ let tag = Tree.tag tree t in
+ LOG(__ "twopass" 2 "Traversing node %i (tag %s) in states %a\n%!" (Node.to_int t) (Tag.to_string tag)
+ StateSet.print states
+ );
+ let trans, lstates, rstates =
+ let c = Cache.Lvl2.find cache2 (Uid.to_int states.StateSet.Node.id) tag in
+ if c == dummy2 then
+ let c = Ata.get_trans ~attributes:attributes auto states tag in
+ Cache.Lvl2.add cache2 (Uid.to_int states.StateSet.Node.id) tag c;
+ c
+ else c
+ in
+ LOG(__ "twopass" 2 "\nTransitions are:\n%!");
+ LOG(__ "twopass" 2"\nTransitions are:\n%a\n%!"
+ Translist.print trans
+ );
+ let s1 = loop (Tree.first_child tree t) lstates ctx
+ and s2 = loop (Tree.next_sibling tree t) rstates ctx in
+ let st =
+ let c = Cache.Lvl3.find cache3
+ (Uid.to_int s1.StateSet.Node.id)
+ (Uid.to_int s2.StateSet.Node.id)
+ (Uid.to_int trans.Translist.Node.id)
+ in
+ if c == dummy3 then
+ let c, _ = eval_trans auto s1 s2 trans in
+ Cache.Lvl3.add cache3
+ (Uid.to_int s1.StateSet.Node.id)
+ (Uid.to_int s2.StateSet.Node.id)
+ (Uid.to_int trans.Translist.Node.id) c;c
+ else c
+ in
+ set states_array (Node.to_int t) st;
+ st
+ in
+ loop root states ctx, (dummy2, cache2)
+
+
+ type action = Nop | Mark | Dummy
+
+ let twopass_top_down_scan states_array (dummy2, cache2) auto tree root states ctx =
+ let attributes = TagSet.inj_positive (Tree.attribute_tags tree) in
+ let cache3 = Cache.Lvl3.create 512 Dummy in
+ let rec loop t states acc =
+ if states == StateSet.empty || t = Tree.nil then acc
+ else
+ let tag = Tree.tag tree t in
+ let trans, _, _ =
+ let c = Cache.Lvl2.find cache2 (Uid.to_int states.StateSet.Node.id) tag in
+ if c == dummy2 then
+ let c = Ata.get_trans ~attributes:attributes auto states tag in
+ Cache.Lvl2.add cache2 (Uid.to_int states.StateSet.Node.id) tag c;
+ c
+ else c
+ in
+ let fs = Tree.first_child tree t in
+ let ns = Tree.next_sibling tree t in
+ let s1 = if fs != Tree.nil then states_array.(Node.to_int fs) else auto.bottom_states
+ and s2 = if ns != Tree.nil then states_array.(Node.to_int ns) else auto.bottom_states
+ in
+ let mark =
+ let c = Cache.Lvl3.find cache3
+ (Uid.to_int s1.StateSet.Node.id)
+ (Uid.to_int s2.StateSet.Node.id)
+ (Uid.to_int trans.Translist.Node.id)
+ in
+ if c == Dummy then
+ let _, c = eval_trans auto s1 s2 trans in
+ let c = if c then Mark else Nop in
+ Cache.Lvl3.add cache3
+ (Uid.to_int s1.StateSet.Node.id)
+ (Uid.to_int s2.StateSet.Node.id)
+ (Uid.to_int trans.Translist.Node.id) c;c
+ else c
+ in
+ LOG(__ "twopass" 2 "Evaluating node %i (tag %s).\n%!States=%a\n%!"
+ (Node.to_int t)
+ (Tag.to_string tag)
+ StateSet.print states
+ );
+ LOG(__ "twopass" 2 "Translist=%a\nLeft=%a\nRight=%a\nMark=%s\n\n%!"
+ Translist.print trans
+ StateSet.print s1
+ StateSet.print s2
+ (match mark with
+ Dummy -> "Dummy"
+ | Mark -> "Mark"
+ | Nop -> "Nop"));
+ if mark == Mark then
+ loop ns s2 (loop fs s1 (U.NS.snoc acc t))
+ else
+ loop ns s2 (loop fs s1 acc)
+ in
+ loop root states U.NS.empty
+
+ let twopass_top_down_run auto tree root =
+ let len = Node.to_int (Tree.closing tree root) + 1 in
+ LOG(__ "twopass" 2 "Creating array of size: %i\n%!" len);
+ let states_array = Array.make len StateSet.empty in
+ let _, cache =
+ twopass_top_down states_array auto tree root auto.init Tree.nil
+ in
+ twopass_top_down_scan states_array cache auto tree root auto.init Tree.nil
+
+
+
+
+