methane https://blog.hatena.ne.jp/methane/ methaneのブログ https://methane.hatenablog.jp/ php $ cat test.php <?php for ($j = 0; $j < 100; $j++) { $a = array(); for ($i = 0; $i < 300000; $i++) { $a[] = $i + $j; } } ?> $ time php test.php real 0m15.714s user 0m15.073s sys 0m0.588s $ vim test.php $ cat test.php <?php for ($j = 0; $j < 100; ++$j) { $a = array(); for ($i = 0; $i < 300000; ++$i) {… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmethane.hatenablog.jp%2Fentry%2F20090318%2F1237394148" title=" インクリメントの速度 - methaneのブログ" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2009-03-18 01:35:48 rich https://methane.hatenablog.jp/entry/20090318/1237394148 1.0 100%