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From: arnold@skeeve.com (arnold@skeeve.com)
Subject: [TUHS] Moto and MMU issues -- was Unix & Memory Management Units (MMU)
Date: Fri, 09 Dec 2016 05:13:19 -0700	[thread overview]
Message-ID: <201612091213.uB9CDJSl009834@freefriends.org> (raw)
In-Reply-To: <584a869c.oO1JvvacT4DqiEYq%schily@schily.net>

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


      parent reply	other threads:[~2016-12-09 12:13 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-08 16:29 Clem Cole
2016-12-08 16:38 ` Ron Natalie
2016-12-08 17:12   ` Chet Ramey
2016-12-09 10:25     ` Joerg Schilling
2016-12-09 11:20       ` Paul Ruizendaal
2016-12-09 12:13       ` arnold [this message]

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