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diff --git a/devdocs/elisp/speed-of-byte_002dcode.html b/devdocs/elisp/speed-of-byte_002dcode.html deleted file mode 100644 index dae47485..00000000 --- a/devdocs/elisp/speed-of-byte_002dcode.html +++ /dev/null @@ -1,25 +0,0 @@ - <h3 class="section">Performance of Byte-Compiled Code</h3> <p>A byte-compiled function is not as efficient as a primitive function written in C, but runs much faster than the version written in Lisp. Here is an example: </p> <div class="example"> <pre class="example">(defun silly-loop (n) - "Return the time, in seconds, to run N iterations of a loop." - (let ((t1 (float-time))) - (while (> (setq n (1- n)) 0)) - (- (float-time) t1))) -⇒ silly-loop -</pre> - -<pre class="example">(silly-loop 50000000) -⇒ 10.235304117202759 -</pre> - -<pre class="example">(byte-compile 'silly-loop) -⇒ <span class="roman">[Compiled code not shown]</span> -</pre> - -<pre class="example">(silly-loop 50000000) -⇒ 3.705854892730713 -</pre> -</div> <p>In this example, the interpreted code required 10 seconds to run, whereas the byte-compiled code required less than 4 seconds. These results are representative, but actual results may vary. </p><div class="_attribution"> - <p class="_attribution-p"> - Copyright © 1990-1996, 1998-2022 Free Software Foundation, Inc. <br>Licensed under the GNU GPL license.<br> - <a href="https://www.gnu.org/software/emacs/manual/html_node/elisp/Speed-of-Byte_002dCode.html" class="_attribution-link">https://www.gnu.org/software/emacs/manual/html_node/elisp/Speed-of-Byte_002dCode.html</a> - </p> -</div> |