
jobs that cannot be run remotely that can be run concurrently
on the local machine, while <B> --localslots_cpp</B> controls
how many preprocessors will run in parallel on the local machine.
Tuning these values can improve performance.  Linking on large
projects can take large amounts of memory.  Running parallel linkers,
which cannot be executed remotely,  may force the machine to swap,
which reduces performance over just running the jobs in sequence
without swapping.   Getting the number of parallel prepr