From: Charles Yeomans <[EMAIL PROTECTED]>
Date: Sun, 12 Feb 2006 12:13:27 -0500
On Feb 12, 2006, at 2:19 AM, Ronald Vogelaar wrote:
----- Original Message ----- From: "Theodore H. Smith"
<[EMAIL PROTECTED]>
Besides, while the raw speed of appending a string maybe the
simplest
thing to understand and compare, my FastString class has more
advantages than simply being used as a buffer. It has a long history
of use, and from that history it has gained many tweaks and features
making it very handy and simple to use.
I concur. A couple of months ago, I wrote a FastString replacement in
pure RB (I called it SpeedString), that, in the end, was just as fast
as Theo's FastString.
Still, I ended up continuing to use FastString for exactly the
reasons
Theo mentions.
I too am suspicious of the statement about Join, but perhaps I'm
overlooking something. Charles, could you share a simple code
example?
Sure. At <http://www.declaresub.com/ElfDataJoinProject.zip> is a
project file that requires Rb2006 (and Theo's plugin), and the
compiled
MacOS application. On my machine, an aging 12" 867 mhz Powerbook,
Join concatenates the elements of a 100000 element string array in 5-6
ticks; performing the same operation using a FastString object takes
9-10 ticks.
Unfortunately, I don't have RB 2006 to verify this.
I've uploaded the source code to http://www.elfdata.com/plugin/
showcase/showcase2006.rb.zip
If anyone else wants to confirm Charles's result, using the showcase
is quite simple. You do need my plugin, just the normal one from my
website.
You should see a listbox, containing many lines, the second of which
is "String Append". Expanding that line will show you some options.
Just check "RB Join", and "ED". That'll compare RB's join, against my
FastString class.
Make sure you've tested the compiled app, and all other apps
(including RB) are closed and Classic is turned off.
Just press "Run" button then, and see what happens. A graph should
pop up. Bigger bars are better.
If you want, you can fiddle with the settings. The default settings
should be an OK test, though, even if maybe not varied enough to give
a bigger picture.
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