1 (******************************************************************************)
2 (* SXSI : XPath evaluator *)
3 (* Kim Nguyen (Kim.Nguyen@nicta.com.au) *)
4 (* Copyright NICTA 2008 *)
5 (* Distributed under the terms of the LGPL (see LICENCE) *)
6 (******************************************************************************)
11 let () = init_timer();;
14 let default_gc = Gc.get()
15 let tuned_gc = { default_gc with
16 Gc.minor_heap_size = 32*1024*1024;
17 Gc.major_heap_increment = 8*1024*1024;
18 Gc.max_overhead = 1000000;
19 Gc.space_overhead = 100;
23 let mk_runtime run auto doc arg count print outfile =
25 let r = time ~count:1 ~msg:"Execution time" (run auto doc) arg in
26 Printf.eprintf "Number of results: %i\n%!" (count r);
30 time ~count:1 ~msg:"Serialization time" (print file doc) r
34 let main v query_string output =
35 Tag.init (Tree.tag_pool v);
37 time ~msg:"Parsing query" XPath.parse query_string
39 if !Options.verbose then begin
40 Printf.eprintf "Parsed query:\n%!";
41 XPath.Ast.print Format.err_formatter query;
42 Format.fprintf Format.err_formatter "\n%!"
45 time ~msg:"Compiling query" (Compile.compile) query
47 if !Options.verbose then Ata.print Format.err_formatter auto;
52 match !Options.bottom_up, bu_info with
54 | true, Some [ (query, pattern) ] ->
57 ~count:1 ~msg:"Computing full text query"
58 (Tree.full_text_query query v) pattern
60 let nodes = Array.to_list nodes in *)
61 if !Options.count_only then
62 let module R = ResJIT.Count in
63 let module M = Runtime.Make(R) in
64 mk_runtime M.bottom_up_run auto v (query, pattern) R.NS.length R.NS.serialize None
66 let module R = ResJIT.Mat in
67 let module M = Runtime.Make(R) in
68 mk_runtime M.bottom_up_run auto v (query, pattern) R.NS.length R.NS.serialize !Options.output_file
71 (* run the query top_down *)
73 if !Options.bottom_up then
74 Printf.eprintf "Cannot run the query in bottom-up mode, using top-down evaluator\n%!";
76 if !Options.count_only then
77 let module R = ResJIT.Count in
78 let module M = Runtime.Make(R) in
79 (* mk_runtime run auto doc arg count print outfile *)
80 mk_runtime M.top_down_run auto v Tree.root R.NS.length R.NS.serialize None
82 let module R = ResJIT.Mat in
83 let module M = Runtime.Make(R) in
84 mk_runtime M.top_down_run auto v Tree.root R.NS.length R.NS.serialize !Options.output_file
89 let () = Options.parse_cmdline()
93 if Filename.check_suffix !Options.input_file ".srx"
98 ~sample:!Options.sample_factor
104 ~msg:"Parsing document"
109 if !Options.save_file <> ""
112 ~msg:"Writing file to disk"
119 (*Printexc.record_backtrace true; *)
120 main document !Options.query !Options.output_file;
121 if !Options.verbose then Printf.eprintf "Maximum resident set size: %s\n" (read_procmem());
123 Profile.summary Format.err_formatter
125 | Ulexer.Loc.Exc_located ((x,y),e) ->
126 Printf.eprintf "character %i-%i %s\n" x y (Printexc.to_string e);
130 output_string stderr "\n";
132 Printexc.print_backtrace stderr;
133 Printf.eprintf "FATAL ERROR: %s\n%!" (Printexc.to_string e);
134 output_string stderr "\n";
136 (* Ptset.Int.stats(); *)