> From: Scott Johnson [mailto:[EMAIL PROTECTED]]
> The performance benefits of precompiled headers become obvious
> when your project size reaches 10, 20, 40 or more source files.
Here are some rough numbers to illustrate this better. I just did some
timing tests on one good-sized project I have here. The first test is with
my master prefix file precompiled, and the second test is with the same
prefix file not precompiled but getting re-compiled with each .cpp file.
This is on a 400 MHz Pentium II laptop. I ran both tests a few times each
and report an average elapsed time. Each test consists of starting the IDE
(from the command line), clearing all object code, building, and exiting.
Test 1: average 34 seconds
Test 2: average 300 seconds
Clearly, proper usage of precompiled headers is a big win in this case.
This app's build time would be intolerable otherwise. YMMV.
-slj-
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