Hi, enclosed is a (preliminary version of) patch changing NAnt to run multiple targets in parallel (up to Environment.ProcessorCount * 2 + 1) while taking their dependencies into account. I will be grateful for any improvement suggestions.
What I know to be broken: - code formatting is messed up, I don't have Resharper configuration for NAnt so I just went with what I use. I will fix this later, when this patch matures a bit - examining exceptions too deeply may lead to strange results. I did my best to preserve messages, types and stack traces (by fiddling with Activator and rethrowing on main thread), however, if the code examines stack trace lines (as some tests do) - it won't work. The messeges that are logged, however, contain the proper, original stack trace, preserver in an InnerException - logging looks... sketchy. Targets log in parallel, so probably the only way to prevent their output from mixing is to buffer it until a target has finished and the dump it all at once. I am not sure this would preferable over current behaviour. - some NAnt test report failure and then the build ends with success - however, clean cvs checkout displays the same behaviour - some NAnt tests fail randomly - this is a bug. Will look into it later - number of threads is currently non-twealable so that threading issues are easier to spot - task "call" should execute the called target in the same thread, because the dependencies of the called target are not set What is not broken: - my 'other testcase' , i.e. the project I am to paid to work on, builds (correctly!) taking 50% of the original time on a dual core machine Disclaimer: this is unstable and may eat your cat. If it does, please mail me back so I can fix it :-) Regards, Leszek 'skolima' Ciesielski
nant_multithreaded_1.diff
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