--- /dev/null
+let time f a msg =
+ let t0 = Unix.gettimeofday () in
+ let r = f a in
+ let t1 = Unix.gettimeofday () in
+ Printf.printf "Timing %s: %f ms\n" msg ((t1 -. t0) *. 1000.);
+ r
+
+
+
+type pointers
+type allocation_order = PREORDER | INORDER | POSTORDER
+external build_pointers : Tree.t -> allocation_order -> pointers = "caml_build_pointers"
+external iter_pointers : pointers -> int = "caml_iter_pointers"
+external free_pointers : pointers -> unit = "caml_free_pointers"
+
+let string_of_alloc =
+ function
+ PREORDER -> "preorder"
+ | INORDER -> "inorder"
+ | POSTORDER -> "postorder"
+
+
+let test_pointers alloc v =
+ let size = Tree.subtree_size v Tree.root in
+ if ((size * (Sys.word_size/8)*2) / (1024*1024)) >= 2800
+ then Printf.printf "Not enough memory to allocate pointer with %i nodes\n%!" size
+ else begin
+ let msg1 = Printf.sprintf "pointer structure %s allocation" (string_of_alloc alloc) in
+ let pointers = time (build_pointers v) alloc msg1 in
+ let i = time (iter_pointers) pointers "pointer structure full traversal" in
+ Printf.printf "Traversed %i nodes\n" i;
+ time (free_pointers) pointers "pointer structure deallocation"
+ end
+;;
+
+let test_iterative v =
+ let i = time (Tree.benchmark_iter) v "iterative traversal (on sxsi)" in
+ Printf.printf "Traversed %i nodes\n%!" i
+
+let test_full_traversal v =
+ let i = time (Tree.benchmark_fcns) v "recursive traversal (on sxsi)" in
+ Printf.printf "Traversed %i nodes\n%!" i
+
+let test_full_elements v =
+ let i = time (Tree.benchmark_fene) v "recursive traversal of element nodes (on sxsi)" in
+ Printf.printf "Traversed %i nodes\n%!" i
+
+let test_tag_jump v t =
+ let msg = Printf.sprintf "jumping to tag <%s> (on sxsi)" (Tag.to_string t) in
+ let i = time (Tree.benchmark_jump v) t msg in
+ Printf.printf "Traversed %i nodes\n%!" i
+
+
+module Options =
+ struct
+ open Arg
+ let input_file = ref ""
+ let save_file = ref ""
+ let run_iterative = ref false
+ let run_full_sxsi = ref false
+ let run_elements = ref false
+ let run_pointers = ref []
+ let run_jump_tag = ref ""
+
+ let add_pointer t =
+ let tag = match t with
+ | "preorder" -> PREORDER
+ | "inorder" -> INORDER
+ | "postorder" -> POSTORDER
+ | _ -> raise (Bad (t))
+ in
+ if not (List.mem tag !run_pointers) then run_pointers := tag :: !run_pointers
+
+
+ let spec = align
+ [ "-s", Set_string save_file, "<output.srx> saves the index in file output.srx";
+ "-i", Set run_iterative, " runs the iterative full traversal (on sxsi)";
+ "-f", Set run_full_sxsi, " runs the recursive full traversal (on sxsi)";
+ "-e", Set run_elements, " simulates //* on sxsi";
+ "-p", Symbol ([ "preorder"; "inorder"; "postorder" ],
+ add_pointer), "runs a full traveral over pointers with given allocation scheme";
+ "-t", Set_string run_jump_tag, "<tag> simulates //tag on sxsi" ]
+
+ let usage_msg = Printf.sprintf "%s [options] <input.{xml|srx}>" Sys.argv.(0)
+ let parse () = parse spec (fun s -> input_file := s) usage_msg
+ let usage () = usage spec usage_msg
+ end
+
+let fail msg = Printf.eprintf "error: %s%!" msg; Options.usage (); exit 1
+
+let line () = Printf.printf "\n%!"
+
+let main () =
+ Options.parse ();
+ if !Options.input_file = "" then fail "missing input file";
+ let ifile = !Options.input_file in
+ let doc =
+ if Filename.check_suffix ifile ".srx" then
+ Tree.load ifile
+ else Tree.parse_xml_uri ifile in
+ if !Options.save_file <> "" then begin
+ Printf.printf "Saving index to %s ... %!" !Options.save_file;
+ Tree.save doc !Options.save_file;
+ Printf.printf "done\n%!"
+ end;
+ Tag.init (Tree.tag_pool doc);
+ line ();
+ if !Options.run_iterative then (test_iterative doc; line ());
+
+ if !Options.run_full_sxsi then (test_full_traversal doc; line ());
+
+ if !Options.run_elements then (test_full_elements doc; line ());
+
+ if !Options.run_jump_tag <> "" then (test_tag_jump doc (Tag.tag !Options.run_jump_tag);
+ line ());
+
+ if !Options.run_pointers <> [] then
+ List.iter (fun s -> test_pointers s doc; line ())
+ !Options.run_pointers;
+
+ exit 0
+;;
+
+let _ =
+ let () = Printexc.record_backtrace true in
+ try
+ main ()
+ with
+ _ ->
+ let msg = Printexc.get_backtrace () in
+ Printf.eprintf "%s\n%!" msg;
+ exit 3
+
+