X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=main.ml;h=4fcc0af9e2ed5631c5b2886e691ffec8ab270b94;hb=70ff0bfc463882ecf233f1b1a7ac4a8007fa4cc2;hp=e7bdd355a2026de6d82740f01fde95fd7d90861a;hpb=496df5f7d3e6f8271763314f2067719cc2904c71;p=SXSI%2Fxpathcomp.git diff --git a/main.ml b/main.ml index e7bdd35..4fcc0af 100644 --- a/main.ml +++ b/main.ml @@ -4,82 +4,141 @@ (* Copyright NICTA 2008 *) (* Distributed under the terms of the LGPL (see LICENCE) *) (******************************************************************************) -INCLUDE "debug.ml" -open Automaton -let a = ref None +open Ata let l = ref [] ;; let time f x = let t1 = Unix.gettimeofday () in let r = f x in let t2 = Unix.gettimeofday () in - let t = (1000. *.(t2 -. t1)) in + let t = (1000. *. (t2 -. t1)) in l:= t::!l; Printf.eprintf " %fms\n%!" t ; r ;; let total_time () = List.fold_left (+.) 0. !l;; +let enabled_gc = Gc.get() +let disabled_gc = { Gc.get() with + Gc.max_overhead = 1000000; + Gc.space_overhead = 100 } -let test filename query output = - Printf.eprintf "Parsing document : %!"; - let v = time Tree.Binary.parse_xml_uri filename in -(* Tree.dump v; - Printf.eprintf "\n\n\n\n\n%!"; - Tree.Binary.print_xml_fast stderr v *) - Printf.eprintf "Full Traversal\n%!"; - time (Tree.full_traversal) v; - Printf.eprintf "Traversal\n%!"; - time (Tree.traversal) v; - Printf.eprintf "CPP Traversal\n%!"; - time (Tree.cpp_traversal) v - - -let main filename query output = - Printf.eprintf "Parsing document : %!"; - let v = time Tree.Binary.parse_xml_uri filename in - MM(v,__LOCATION__); - a := Some (v); - a := None; - Printf.eprintf "Parsing query : "; - let query = try - time - XPath.Parser.parse_string query - with - Ulexer.Loc.Exc_located ((x,y),e) -> Printf.eprintf "character %i-%i %s\n" x y (Printexc.to_string e);exit 1 - in - Printf.eprintf "Compiling query : "; - let auto = time XPath.Compile.compile query in +let main v query_string output = + let _ = Tag.init (Tree.tag_pool v) in + Printf.eprintf "Parsing query : "; + let query = try + time + XPath.Parser.parse_string query_string + with + Ulexer.Loc.Exc_located ((x,y),e) -> Printf.eprintf "character %i-%i %s\n" x y (Printexc.to_string e);exit 1 + in XPath.Ast.print Format.err_formatter query; - Format.eprintf "\n%!"; - - Printf.eprintf "TopDown (No BackTrack) : \n"; - time (fun v -> ignore (TopDown.accept auto v)) v; - Printf.eprintf "Number of nodes in the result set : %i\n" (BST.cardinal auto.result); - begin - match output with - | None -> () - | Some f -> + Format.fprintf Format.err_formatter "\n%!"; + Printf.eprintf "Compiling query : "; + let auto,ltags,contains = time (XPath.Compile.compile ~querystring:query_string) query in + let _ = Ata.dump Format.err_formatter auto in + let _ = Printf.eprintf "%!" in + let jump_to = + match contains with + None -> (max_int,`NOTHING) + | Some s -> + let r = Tree.count v s + in + Printf.eprintf "%i documents in the TextCollection\n" (Tree.text_size v); + Printf.eprintf "Global count is %i, using " r; + if r < !Options.tc_threshold then begin + Printf.eprintf "TextCollection contains\nCalling global contains : "; + time (Tree.init_contains v) s; + end + else begin + Printf.eprintf "Naive contains\nCalling global contains : "; + time (Tree.init_naive_contains v) s + end;(r,`CONTAINS(s)) + in + let test_list = + if (!Options.backward) then begin + Printf.eprintf "Finding min occurences : "; + time + ( List.fold_left (fun ((min_occ,kind)as acc) (tag,_) -> + let numtags = Tree.subtree_tags v tag Tree.root in + if ((numtags < min_occ) && numtags >= 2) + then (numtags,`TAG(tag)) + else acc) jump_to) ltags + end + else (max_int,`NOTHING) + in + let _ = if (snd test_list) != `NOTHING then + let occ,s1,s2 = match test_list with + | (x,`TAG (tag)) -> (x, "tag", (Tag.to_string tag)) + | (x,`CONTAINS(s)) -> (x, "contains()", s) + | _ -> assert false + in + Printf.eprintf "Will jump to %s %s occuring %i time\n%!" s1 s2 occ + in + Printf.eprintf "Execution time %s : " + (if !Options.count_only then "(counting only)" else if !Options.backward then "(bottomup)" else ""); + begin + let _ = Gc.full_major();Gc.compact() in + (* let _ = Gc.set (disabled_gc) in *) + if !Options.backward && ((snd test_list) != `NOTHING )then - Printf.eprintf "Serializing results : "; - time( fun () -> - let oc = open_out f in - output_string oc "\n"; - BST.iter (fun t -> Tree.Binary.print_xml_fast oc t; - output_string oc "\n------------------"; - output_char oc '\n') auto.result) (); - end; - Printf.eprintf "Total time : %fms\n Coherence : %i\n%!" (total_time()) -;; - - -let argc = Array.length Sys.argv;; -if (argc < 3 || argc >4) -then - (prerr_endline ("usage : " ^ Sys.argv.(0) ^ " \'query\'[ ]"); - exit 1) + let r = time (bottom_up_count auto v )(snd test_list) in + let _ = Printf.eprintf "Number of nodes in the result set : %i\n%!" r + in () + else + let _ = + if !Options.backward then Printf.eprintf "WARNING: couldn't find a jumping point, running top-down\n" + in + if !Options.count_only then + let r = time ( top_down_count auto ) v in + let _ = Printf.eprintf "Number of nodes in the result set : %i\n%!" r + in () + else + let result = time (top_down auto) v in + let rcount = IdSet.length result in + Printf.eprintf "Number of nodes in the result set : %i\n" rcount; + Printf.eprintf "\n%!"; + begin + match output with + | None -> () + | Some f -> + Printf.eprintf "Serializing results : "; + time( fun () -> + let oc = open_out f in + output_string oc "\n"; + IdSet.iter (fun t -> + Tree.print_xml_fast oc v t; + output_char oc '\n'; + output_string oc "----------\n"; + ) result) (); + end; + end; + let _ = Gc.set enabled_gc in + Printf.eprintf "Total running time : %fms\n%!" (total_time()) ;; +Options.parse_cmdline();; -test Sys.argv.(1) Sys.argv.(2) (if argc == 4 then Some Sys.argv.(3) else None) ;; +let v = + if (Filename.check_suffix !Options.input_file ".srx") + then + begin + Printf.eprintf "Loading from file : "; + time (Tree.load ~sample:!Options.sample_factor ) + (Filename.chop_suffix !Options.input_file ".srx"); + end + else + let v = + time (fun () -> let v = Tree.parse_xml_uri !Options.input_file; + in Printf.eprintf "Parsing document : %!";v + ) () + in + if !Options.save_file <> "" + then begin + Printf.eprintf "Writing file to disk : "; + time (Tree.save v) !Options.save_file; + end; + v +in + main v !Options.query !Options.output_file;;