From mboxrd@z Thu Jan  1 00:00:00 1970
From: arnold@skeeve.com (arnold@skeeve.com)
Date: Fri, 09 Dec 2016 05:13:19 -0700
Subject: [TUHS] Moto and MMU issues -- was Unix & Memory Management
 Units (MMU)
In-Reply-To: <584a869c.oO1JvvacT4DqiEYq%schily@schily.net>
References: <CAC20D2NV7DOaejq5_EHc52jh90HLjXeNkboSn_9wVFd_XYzYjw@mail.gmail.com>
 <07a801d25171$8b473660$a1d5a320$@ronnatalie.com>
 <a3d8efbf-e2fc-1e0e-63c0-96f96a202f53@case.edu>
 <584a869c.oO1JvvacT4DqiEYq%schily@schily.net>
Message-ID: <201612091213.uB9CDJSl009834@freefriends.org>

Getting a bit off topic...

schily at schily.net (Joerg Schilling) wrote:

> For today, numbers definitely look different. 30% of the total amount of CPU 
> time spend by the Bourne Shell is spend by the conversion from multy-byte 
> strings to wide strings and vice versa. BTW: "dash" is faster than bash just 
> because it does not imlement multy-byte support. If it did, it would become 
> slower than bash.

Interesting. Gawk stores everything in multibyte form and only converts
to/from wide characters when needed (length, substr, match, a few others).

I don't have timings either way, but I'm pretty sure that gawk doesn't
spend anything like 30% of its time doing those conversions. :-)

Arnold