On my multicore machine, Eclipse uses between 100 and 250 % CPU power, even when idling on a new plain install and an empty workspace. When actually doing things, it becomes slo
Java multi thread garbage collector is a garbage.
add -XX:-UseLoopPredicate option to java command line.
See e.g. the bug https://bugzilla.redhat.com/show_bug.cgi?id=882968