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17 | <title>10. The Python Profiler </title> | |
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55 | <H1><A NAME="SECTION0012000000000000000000"></A><A NAME="profile"></A> | |
56 | <BR> | |
57 | 10. The Python Profiler | |
58 | </H1> | |
59 | ||
60 | <P> | |
61 | ||
62 | <P> | |
63 | Copyright © 1994, by InfoSeek Corporation, all rights reserved. | |
64 | <a id='l2h-3105' xml:id='l2h-3105'></a> | |
65 | ||
66 | <P> | |
67 | Written by James Roskind.<A NAME="tex2html50" | |
68 | HREF="#foot46120"><SUP>10.1</SUP></A> | |
69 | <P> | |
70 | Permission to use, copy, modify, and distribute this Python software | |
71 | and its associated documentation for any purpose (subject to the | |
72 | restriction in the following sentence) without fee is hereby granted, | |
73 | provided that the above copyright notice appears in all copies, and | |
74 | that both that copyright notice and this permission notice appear in | |
75 | supporting documentation, and that the name of InfoSeek not be used in | |
76 | advertising or publicity pertaining to distribution of the software | |
77 | without specific, written prior permission. This permission is | |
78 | explicitly restricted to the copying and modification of the software | |
79 | to remain in Python, compiled Python, or other languages (such as C) | |
80 | wherein the modified or derived code is exclusively imported into a | |
81 | Python module. | |
82 | ||
83 | <P> | |
84 | INFOSEEK CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS | |
85 | SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
86 | FITNESS. IN NO EVENT SHALL INFOSEEK CORPORATION BE LIABLE FOR ANY | |
87 | SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER | |
88 | RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF | |
89 | CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
90 | CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
91 | ||
92 | <P> | |
93 | The profiler was written after only programming in Python for 3 weeks. | |
94 | As a result, it is probably clumsy code, but I don't know for sure yet | |
95 | 'cause I'm a beginner :-). I did work hard to make the code run fast, | |
96 | so that profiling would be a reasonable thing to do. I tried not to | |
97 | repeat code fragments, but I'm sure I did some stuff in really awkward | |
98 | ways at times. Please send suggestions for improvements to: | |
99 | <span class="email">jar@netscape.com</span>. I won't promise <em>any</em> support. ...but | |
100 | I'd appreciate the feedback. | |
101 | ||
102 | <P> | |
103 | <BR><HR><H4>Footnotes</H4> | |
104 | <DL> | |
105 | <DT><A NAME="foot46120">... Roskind.</A><A | |
106 | href="profile.html#tex2html50"><SUP>10.1</SUP></A></DT> | |
107 | <DD> | |
108 | Updated and converted to <span class="LaTeX">LaTeX</span> by Guido van Rossum. The references to | |
109 | the old profiler are left in the text, although it no longer exists. | |
110 | ||
111 | </DD> | |
112 | </DL> | |
113 | <p><br /></p><hr class='online-navigation' /> | |
114 | <div class='online-navigation'> | |
115 | <!--Table of Child-Links--> | |
116 | <A NAME="CHILD_LINKS"><STRONG>Subsections</STRONG></a> | |
117 | ||
118 | <UL CLASS="ChildLinks"> | |
119 | <LI><A href="node450.html">10.1 Introduction to the profiler</a> | |
120 | <LI><A href="node451.html">10.2 How Is This Profiler Different From The Old Profiler?</a> | |
121 | <LI><A href="profile-instant.html">10.3 Instant Users Manual</a> | |
122 | <LI><A href="node453.html">10.4 What Is Deterministic Profiling?</a> | |
123 | <LI><A href="module-profile.html">10.5 Reference Manual</a> | |
124 | <UL> | |
125 | <LI><A href="profile-stats.html">10.5.1 The <tt class="class">Stats</tt> Class</a> | |
126 | </ul> | |
127 | <LI><A href="profile-limits.html">10.6 Limitations</a> | |
128 | <LI><A href="profile-calibration.html">10.7 Calibration</a> | |
129 | <LI><A href="node458.html">10.8 Extensions -- Deriving Better Profilers</a> | |
130 | <LI><A href="module-hotshot.html">10.9 <tt class="module">hotshot</tt> -- | |
131 | High performance logging profiler</a> | |
132 | <UL> | |
133 | <LI><A href="hotshot-objects.html">10.9.1 Profile Objects</a> | |
134 | <LI><A href="module-hotshot.stats.html">10.9.2 Using hotshot data</a> | |
135 | <LI><A href="hotshot-example.html">10.9.3 Example Usage</a> | |
136 | </ul> | |
137 | <LI><A href="module-timeit.html">10.10 <tt class="module">timeit</tt> -- | |
138 | Measure execution time of small code snippets</a> | |
139 | <UL> | |
140 | <LI><A href="node464.html">10.10.1 Command Line Interface</a> | |
141 | <LI><A href="node465.html">10.10.2 Examples</a> | |
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180 | <span class="release-info">Release 2.4.2, documentation updated on 28 September 2005.</span> | |
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