X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=main.ml;h=c9fc2c5a670a4463ba1a56eb3938606146926e3c;hb=90c98aee27a7e4a85c45b5488e5505649f5a265c;hp=5a7f120432d6da86a9b378b8788343b0be0c2d46;hpb=d046f2b9d8e39b30350399eafe122c30ff61c8c1;p=SXSI%2Fxpathcomp.git diff --git a/main.ml b/main.ml index 5a7f120..c9fc2c5 100644 --- a/main.ml +++ b/main.ml @@ -9,10 +9,12 @@ open Ata INCLUDE "utils.ml" let () = init_timer();; -let enabled_gc = Gc.get() -let disabled_gc = { Gc.get() with - Gc.max_overhead = 1000000; - Gc.space_overhead = 100 } +let default_gc = Gc.get() +let tuned_gc = { Gc.get() with + Gc.minor_heap_size = 4*1024*1024; + Gc.major_heap_increment = 1024*1024; + Gc.max_overhead = 1000000; + } let hash x = 131*x/(x-1+1) let test_loop tree tag = @@ -20,20 +22,20 @@ let test_loop tree tag = let f = Hashtbl.create 4096 in let jump t _ = Tree.tagged_following_below tree tag t Tree.root in - let g t ctx = + let g t ctx = if t == Tree.nil then 0 else 1+ ((Hashtbl.find f (hash 101)) (jump t ctx) ctx) in Hashtbl.add f (hash 101) g; (Hashtbl.find f (hash 101)) t' Tree.root -let test_full tree = +let test_full tree = let root = Tree.root in let fin = Tree.closing tree root in let rec loop t = if t <= fin then let tag = Tree.tag tree t in (* let _ = Tag.to_string tag in *) - if tag == Tag.pcdata then (ignore (Tree.get_text tree t)); + if tag == Tag.pcdata then (ignore (Tree.get_text tree t)); let t = (Obj.magic ((Obj.magic t) + 1)) in loop t in @@ -45,16 +47,16 @@ let test_loop2 tree tag = let f = Hashtbl.create 4096 in let jump t _ = Tree.tagged_following_below tree tag t Tree.root in - let rec g t ctx = + let rec g t ctx = if t == Tree.nil then 0 else 1+ (match (Hashtbl.find f (hash 101)) with `Foo ->g (jump t ctx) ctx - ) + ) in Hashtbl.add f (hash 101) `Foo; g t' Tree.root -let test_text doc = +let test_text doc = let _ = Printf.eprintf "Contains(bree)" in let _ = time (Tree.test_contains doc) "bree" in let _ = Printf.eprintf "Contains(brain)" in @@ -83,9 +85,9 @@ external free_pointers : pointers -> unit = "caml_free_pointers" let main v query_string output = - + let _ = Tag.init (Tree.tag_pool v) in - Printf.eprintf "Parsing query : "; + Printf.eprintf "Parsing query : "; let query = try time XPath.Parser.parse_string query_string @@ -96,40 +98,41 @@ let main v query_string output = (* let _ = test_text v in *) (* let _ = Tree.stats v in *) let _ = Printf.eprintf "Timing first_child/next_sibling %!" in - let _ = time ~count:0 (Tree.benchmark_fcns) v in (* + let c = time (Tree.benchmark_fcns) v in + let _ = Printf.eprintf "Traversed %i nodes\n" c in let _ = Printf.eprintf "Timing last_child/prev_sibling %!" in let _ = time (Tree.benchmark_lcps) v in let _ = Printf.eprintf "Timing jump to a %!" in - let _ = time (Tree.benchmark_jump v) (Tag.tag "a") in + let _ = time (Tree.benchmark_jump v) (Tag.tag "a") in let _ = Printf.eprintf "Timing pointer allocation %!" in let pointers = time (build_pointers) v in let _ = Printf.eprintf "Timing pointer iteration %!" in let i = time (iter_pointers) pointers in let _ = Printf.eprintf "Traversed %i pointers\n\nTiming pointer deallocation %!" i in - let _ = time (free_pointers) pointers in *) + let _ = time (free_pointers) pointers in (* let _ = Printf.eprintf "Timing //keyword :" in let r = time (test_loop v) (Tag.tag "keyword") in - let _ = Printf.eprintf "Count is %i\n%!" r in + let _ = Printf.eprintf "Count is %i\n%!" r in let _ = Printf.eprintf "Timing //keyword 2:" in let r = time (test_loop2 v) (Tag.tag "keyword") in - let _ = Printf.eprintf "Count is %i\n%!" r in + let _ = Printf.eprintf "Count is %i\n%!" r in let _ = Printf.eprintf "Timing //node() :" in let _ = time (test_full) v in *) XPath.Ast.print Format.err_formatter query; Format.fprintf Format.err_formatter "\n%!"; Printf.eprintf "Compiling query : "; - let auto,ltags,contains = time (XPath.Compile.compile ~querystring:query_string) query in + 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 = + let jump_to = match contains with None -> (max_int,`NOTHING) - | Some ((op,s)) -> - let r = Tree.count v s + | Some ((op,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 + if r < !Options.tc_threshold then begin Printf.eprintf "TextCollection contains\nCalling global contains : "; time (Tree.init_textfun op v) s; end @@ -140,10 +143,10 @@ let main v query_string output = in let test_list = jump_to in (* - let test_list = + let test_list = if (!Options.backward) then begin Printf.eprintf "Finding min occurences : "; - time + 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) @@ -165,11 +168,11 @@ let main v query_string output = begin let _ = Gc.full_major();Gc.compact() in let _ = Printf.eprintf "%!" in - let _ = Gc.set (disabled_gc) in - if !Options.backward && ((snd test_list) != `NOTHING )then + let _ = Gc.set (tuned_gc) in + if !Options.backward && ((snd test_list) != `NOTHING )then if !Options.count_only then let r = time_mem (bottom_up_count auto v )(snd test_list) in - let _ = Printf.eprintf "Number of nodes in the result set : %i\n%!" r + let _ = Printf.eprintf "Number of nodes in the result set : %i\n%!" r in () else begin let r = time_mem (bottom_up auto v )(snd test_list) in @@ -178,80 +181,68 @@ let main v query_string output = match output with | None -> () - | Some f -> + | Some f -> Printf.eprintf "Serializing results : "; time( fun () -> (*let oc = open_out f in *) let oc = Unix.openfile f [ Unix.O_WRONLY;Unix.O_TRUNC;Unix.O_CREAT] 0o644 in (*output_string oc "\n";*) - IdSet.iter (fun t -> + IdSet.iter (fun t -> Tree.print_xml_fast3 v t oc; - (*output_char oc '\n'; *) + (*output_char oc '\n'; *) ) r) (); end - + else - let _ = - if !Options.backward then Printf.eprintf "WARNING: couldn't find a jumping point, running top-down\n" + 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 ~count:5 ( top_down_count auto ) v in + let r = time ~count:5 ( top_down_count1 auto ) v in let _ = Printf.eprintf "Number of nodes in the result set : %i\n%!" r in () - else - let module GR = Ata.Test(struct let doc = v end) in - let result = time_mem (GR.top_down auto) v in + else + let module GR = Ata(*.Test(struct let doc = v end) *) in + let result = time ~count:5 (GR.top_down1 auto) v in let _ = Printf.eprintf "Counting results " in - let rcount = time (GR.Results.length) result in + let rcount = time (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 -> + | Some f -> Printf.eprintf "Serializing results : "; - time( fun () -> - (*let oc = open_out f in *) - let oc = Unix.openfile f [ Unix.O_WRONLY;Unix.O_TRUNC;Unix.O_CREAT] 0o644 in - (*output_string oc "\n";*) - let t1 = ref (Unix.gettimeofday()) in - let count = ref 1 in - let old_count = ref 1 in - GR.Results.iter (fun t -> - incr count; - begin - if (!count mod 15) == 0 - then - let t2 = Unix.gettimeofday() in - let _ = Printf.eprintf "Printing %i elements in %f ms\n" - (!count - !old_count) (1000. *.(t2 -. !t1)) - in - ( old_count := !count; t1 := Unix.gettimeofday()) - end; - Tree.print_xml_fast3 v t oc; - (*output_char oc '\n'; *) - ) result) (); - end; + let oc = + Unix.openfile f [ Unix.O_WRONLY;Unix.O_TRUNC;Unix.O_CREAT] 0o644 + in + time( + IdSet.iter ( + fun t -> + + Tree.print_xml_fast3 v t oc; + + )) result ; + end; end; - let _ = Gc.set enabled_gc in - Printf.eprintf "Total running time : %fms\n%!" (total_time()) + Printf.eprintf "Total running time : %fms\n%!" (total_time()) ;; Options.parse_cmdline();; let v = if (Filename.check_suffix !Options.input_file ".srx") - then + then begin Printf.eprintf "Loading from file : "; time (Tree.load ~sample:!Options.sample_factor ~load_text:(not !Options.count_only)) !Options.input_file; end - else - let v = + 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