Re: execution speed (was speeding up xcode)
Re: execution speed (was speeding up xcode)
- Subject: Re: execution speed (was speeding up xcode)
- From: Robert Dell <email@hidden>
- Date: Thu, 20 Oct 2005 17:52:50 -0400
Ladd Van Tol wrote:
I've written code for such a machine.
Needless to say, it's hard to write an interestingly complex application
when you're coding to save every possible cycle. Remember: roughly 90%
of a software engineer's time is spent doing maintenance on existing
code. Therefore, it is usually best to write for clarity and
maintainability first, and worry about low-level optimization when it is
measurably important to do so. Successful software engineering is a
balancing act -- focusing on performance above all else may ignore many
other important engineering goals. Sure, I could write my own regular
expression library to gain a few cycles. Or I could take something off
the shelf and ship on-time. As others have said, Shark is your friend.
Write well-modularized and readable code, then measure to find out if
you've got any hot spots.
I've tried that, shark claims there's nothing it can monitor. i find it hard to believe that in almost 100 procedures, there's no procedures it can monitor.
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