On 24/07/2013 12:35 PM, Russell Gold wrote:
I wish I could break it up. Among the problems with this code is the extreme
bit of coupling. The scripts list 300 files to compile because that's all that
we would have wanted, but they pull in other files, which pull in yet others.
Trying to compile this fairly small subsystem winds up building about a third
of the entire project.
Pulling in classes does not mean recompiling them.
Once you have compiled the dependencies and aggregate them into jars,
they can be referenced without recompiling them.
This will speed things up tremendously.
Do you at least have packages to use as a starting point?
Ron
But I will definitely look at the options and see what I can learn from them;
thanks for the suggestions.
Russ
On Jul 24, 2013, at 12:31 PM, Wayne Fay <wayne...@gmail.com> wrote:
The case I'm wondering about now is one where we have over 10,000
source files in a directory, and compile them bit-by-bit. One step specifies
about 300 files, and thanks to javac dependency logic, actually compiles
about 4000 files in ant.
Is there any way you can break that into 10 projects with 1k files
each, or 20 projects with 500 files each, etc? I have found dramatic
improvements in (Java compiling) speed as a result of breaking huge
projects like this into a series of much smaller projects with
dependencies between the projects etc as needed.
Having said that, 20 seconds for 4k files sounds pretty quick! Sorry
but I'm not sure how to explain the 20 sec vs 90 sec results you're
experiencing. I'd check versions of everything and flags sent to
compilers etc via -X.
Wayne
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