Hi all,
I’m struggling to turn our Eclipse 4.12 to build multiple Java/Maven projects
in parallel to speed up the overall time of compilation and to hopefully show
that multi cores are getting utilized by Eclipse. We have workspaces with Java
only projects, typically 9-30 projects with 150.000-340.000 LOCs.
I stumbled upon the presentation of parallel builds in Eclipse at the
EclipseCon 2018 from Mickael Istria:
https://de.slideshare.net/mickaelistria/parallel-builds-in-eclipse-ide-workspace-eclispecon-europe-2018
Mickael directed me to this mailing list.
Until now I had no success in seeing parallel builds. We invoke the Java and
the Maven builder and the test plugin gives me a Gantt diagram, but there are
no parallel builds at all, just the regular sequential build process. I think
the test plugin works if automatic builds are disabled only, its the only
situation where I’m getting the diagram file. Is the “default building order”
necessary for the test plugin or am I wrong? Can I get any meaningful logs from
Eclipse itself and/or the test plugin? The file ".metadata/.log" is a way too
shy I think.
I'm willing to do a sort of hack to my Eclipse installation to prove that
parallel builds are possible.
I do not find much information about parallel builds at all, so I may overlook
something.
Any help or other suggestions are highly welcome.
Greetings from Germany,
Meik Piepmeyer, AEB SE
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