X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=main.ml;h=5a7f120432d6da86a9b378b8788343b0be0c2d46;hb=d046f2b9d8e39b30350399eafe122c30ff61c8c1;hp=2f12d19e6a23b1dcee9c385cb2655634b9483e6f;hpb=f583e10adcefdebc0a682980c8d73454eedefecf;p=SXSI%2Fxpathcomp.git diff --git a/main.ml b/main.ml index 2f12d19..5a7f120 100644 --- a/main.ml +++ b/main.ml @@ -13,13 +13,77 @@ let enabled_gc = Gc.get() let disabled_gc = { Gc.get() with Gc.max_overhead = 1000000; Gc.space_overhead = 100 } +let hash x = 131*x/(x-1+1) +let test_loop tree tag = + let t' = Tree.tagged_descendant tree tag Tree.root in + let f = Hashtbl.create 4096 + in + let jump t _ = Tree.tagged_following_below tree tag t Tree.root in + 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 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)); + let t = (Obj.magic ((Obj.magic t) + 1)) in + loop t + in + loop root +let test_loop2 tree tag = + let t' = Tree.tagged_descendant tree tag Tree.root in + let f = Hashtbl.create 4096 + in + let jump t _ = Tree.tagged_following_below tree tag t Tree.root in + 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 _ = Printf.eprintf "Contains(bree)" in + let _ = time (Tree.test_contains doc) "bree" in + let _ = Printf.eprintf "Contains(brain)" in + let _ = time (Tree.test_contains doc) "brain" in + let _ = Printf.eprintf "Contains(brain)" in + let i = time (Tree.test_contains doc) "brain" in + let _ = Printf.eprintf "%i\nContains(Australia)" i in + let i = time (Tree.test_contains doc) "AUSTRALIA" in + let _ = Printf.eprintf "%i\n Contains(1930)" i in + let i = time (Tree.test_contains doc) "1930" in + let _ = Printf.eprintf "%i\n startswith(bar)" i in + let i = time (Tree.test_prefix doc) "bar" in + let _ = Printf.eprintf "%i\n endswith(LAND)" i in + let i = time (Tree.test_suffix doc) "LAND" in + let _ = Printf.eprintf "%i\n =(2001)" i in + let i = time (Tree.test_equals doc) "2001" in + let _ = Printf.eprintf "%i\n =(Nguyen)" i in + let i = time (Tree.test_equals doc) "Nguyen" in + Printf.eprintf "%i\n" i ; + () + +type pointers +external build_pointers : Tree.t -> pointers = "caml_build_pointers" +external iter_pointers : pointers -> int = "caml_iter_pointers" +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 : "; let query = try @@ -28,36 +92,59 @@ let main v query_string output = 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.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 = jump_to in - (* + let _ = Printf.eprintf "Number of nodes %i\n%!" (Tree.size v) in +(* 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 _ = 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 _ = 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 _ = 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 "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 "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 _ = Ata.dump Format.err_formatter auto in + let _ = Printf.eprintf "%!" in + let jump_to = + match contains with + None -> (max_int,`NOTHING) + | 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 + Printf.eprintf "TextCollection contains\nCalling global contains : "; + time (Tree.init_textfun op 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 = jump_to 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,_) -> + 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)) @@ -78,23 +165,44 @@ let main v query_string output = begin let _ = Gc.full_major();Gc.compact() in let _ = Printf.eprintf "%!" in - (* let _ = Gc.set (disabled_gc) in *) + let _ = Gc.set (disabled_gc) in if !Options.backward && ((snd test_list) != `NOTHING )then - - let r = time (bottom_up_count auto v )(snd test_list) in + 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 in () + else begin + let r = time_mem (bottom_up auto v )(snd test_list) in + let _ = Printf.eprintf "Number of nodes in the result set : %i\n%!" (IdSet.length r) + in + match output with + + | None -> () + | 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 -> + Tree.print_xml_fast3 v t oc; + (*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" in if !Options.count_only then - let r = time ( top_down_count auto ) v in + let r = time ~count:5 ( 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 + let module GR = Ata.Test(struct let doc = v end) in + let result = time_mem (GR.top_down auto) v in + let _ = Printf.eprintf "Counting results " in + let rcount = time (GR.Results.length) result in Printf.eprintf "Number of nodes in the result set : %i\n" rcount; Printf.eprintf "\n%!"; begin @@ -103,13 +211,26 @@ let main v query_string output = | 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'; - - ) result) (); + (*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; end; let _ = Gc.set enabled_gc in @@ -123,7 +244,7 @@ let v = then begin Printf.eprintf "Loading from file : "; - time (Tree.load ~sample:!Options.sample_factor ) + time (Tree.load ~sample:!Options.sample_factor ~load_text:(not !Options.count_only)) !Options.input_file; end else @@ -141,3 +262,5 @@ let v = in main v !Options.query !Options.output_file;; + +