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annotate scripts/general/profexplore.m @ 20828:a3b9ee5c040a

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Replace bsxfun with broadcasting for performance with complex inputs (bug #38628). cumtrapz.m, quadgk.m, trapz.m, center.m, zscore.m: Replace bsxfun with broadcasting for performance where inputs might be complex.
author Rik <rik@octave.org>
date Mon, 12 Oct 2015 21:28:32 -0700
parents 83792dd9bcc1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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4197fc428c7d maint: Update copyright notices for 2015.
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1 ## Copyright (C) 2012-2015 Daniel Kraft
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} profexplore ()
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21 ## @deftypefnx {Function File} {} profexplore (@var{data})
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22 ## Interactively explore hierarchical profiler output.
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23 ##
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24 ## Assuming @var{data} is the structure with profile data returned by
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25 ## @code{profile (@qcode{"info"})}, this command opens an interactive prompt
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26 ## that can be used to explore the call-tree. Type @kbd{help} to get a list
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27 ## of possible commands. If @var{data} is omitted, @code{profile ("info")}
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28 ## is called and used in its place.
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29 ## @seealso{profile, profshow}
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30 ## @end deftypefn
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31
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32 ## Built-in profiler.
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33 ## Author: Daniel Kraft <d@domob.eu>
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34
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35 function profexplore (data)
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36
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37 if (nargin == 0)
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38 data = profile ("info");
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39 elseif (nargin != 1)
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40 print_usage ();
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41 endif
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42
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43 ## The actual work is done by a recursive worker function, since that
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44 ## is an easy way to traverse the tree datastructure. Here, we just check
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45 ## the arguments (already done) and give over to it.
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46
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47 __profexplore_worker (data.FunctionTable, data.Hierarchical, "Top\n", " ");
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48
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49 endfunction
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50
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51 ## This is the worker function. tree is the current subtree we want to
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52 ## display / explore. parents is a string containing the already "rendered"
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53 ## data for the parents which is displayed on top of the list of current
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54 ## children. prefix is the prefix to add to each line rendered; this
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55 ## is just a string of spaces to get indentation right.
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56 ##
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57 ## Returning 0 indicates that the user requested to totally exit the
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58 ## explorer, thus also all higher levels should exit immediately. An integer
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59 ## greater zero indicates to exit that many levels since the user wants to go
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60 ## up (but not necessarily quit).
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61
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62 function rv = __profexplore_worker (fcn_table, tree, parents, prefix)
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63
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64 ## Sort children by total time.
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65 times = -[ tree.TotalTime ];
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66 [~, p] = sort (times);
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67 tree = tree(p);
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68
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69 while (true)
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70
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71 printf ("\n%s", parents);
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72 strings = cell (length (tree), 1);
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73 for i = 1 : length (tree)
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74 strings{i} = sprintf ("%s: %d calls, %.3f total, %.3f self", ...
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75 fcn_table(tree(i).Index).FunctionName, ...
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76 tree(i).NumCalls, ...
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77 tree(i).TotalTime, tree(i).SelfTime);
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78 printf ("%s%d) %s\n", prefix, i, strings{i});
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79 endfor
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80 printf ("\n");
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81
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82 cmd = input ("profexplore> ", "s");
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83 option = fix (str2double (cmd));
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84
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85 if (strcmp (cmd, "exit") || strcmp (cmd, "quit"))
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86 rv = 0;
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87 return;
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88 elseif (strcmp (cmd, "help"))
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89 printf ("\nCommands for profile explorer:\n\n");
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90 printf ("exit Return to Octave prompt.\n");
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91 printf ("quit Return to Octave prompt.\n");
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92 printf ("help Display this help message.\n");
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93 printf ("up [N] Go up N levels, where N is an integer. Default is 1.\n");
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94 printf ("N Go down a level into option N.\n");
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95 elseif (! isnan (option))
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96 if (option < 1 || option > length (tree))
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97 printf ("The chosen option is out of range!\n");
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98 else
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99 newParents = sprintf ("%s%s%s\n", parents, prefix, strings{option});
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100 newPrefix = sprintf ("%s ", prefix);
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101
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102 rv = __profexplore_worker (fcn_table, tree(option).Children, ...
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103 newParents, newPrefix);
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104
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105 if (rv == 0)
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106 return;
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107 elseif (rv > 1)
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108 rv -= 1;
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109 return;
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110 else
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111 assert (rv == 1);
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112 ## It was requested to return to this level, so just stay.
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113 endif
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114 endif
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115 elseif (length (cmd) >= 2 && strcmp (substr (cmd, 1, 2), "up"))
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116 if (length (cmd) == 2)
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117 rv = 1;
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118 return;
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119 endif
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120
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121 if (length (cmd) > 3 && cmd(3) == ' ')
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122 opt = fix (str2double (substr (cmd, 3)));
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123 if (! isnan (opt) && opt > 0)
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124 rv = opt;
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125 return;
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126 endif
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127 endif
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128
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129 printf ("Invalid 'up' command. Type 'help' for further");
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130 printf (" information.\n");
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131 else
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132 printf ("Unrecognized input. Type 'help' to get a list of possible");
c5a8b23db680 New function 'profexplore' for interactive hierarchical profile exploration.
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133 printf (" commands.\n");
c5a8b23db680 New function 'profexplore' for interactive hierarchical profile exploration.
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134 endif
c5a8b23db680 New function 'profexplore' for interactive hierarchical profile exploration.
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135
c5a8b23db680 New function 'profexplore' for interactive hierarchical profile exploration.
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136 endwhile
c5a8b23db680 New function 'profexplore' for interactive hierarchical profile exploration.
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137 endfunction
17338
1c89599167a6 maint: End m-files with 1 blank line.
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138