From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <7359f049040525111440980469@mail.gmail.com> Date: Tue, 25 May 2004 11:14:57 -0700 From: Rob Pike To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu> Subject: Re: [9fans] plan9ports performance In-Reply-To: <01ff01c44281$a4cf7410$727e7d50@SOMA> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit References: <01ff01c44281$a4cf7410$727e7d50@SOMA> Topicbox-Message-UUID: 887a99a6-eacd-11e9-9e20-41e7f4b1d025 the implementation of regexps in the plan 9 library is pretty pokey. it's nice and short but it is not fast. that said, the factor of 5 to look at a single character seems a little high. not impossibly high, but high. -rob