Speeding up LDC with Make jobs

[Vladimir Panteleev via Digitalmars-d]

On Saturday, 31 January 2015 at 03:27:32 UTC, weaselcat wrote:
> Wasn't a random occurrence, consistently about 30-40ms shorter 
> with the parallel version vs baseline, same flags(except for 
> output flags.)

Can you reproduce this is you interleave a dozen or so runs of 
the binaries built with and without -j? Perhaps it is an artifact 
of CPU frequency scaling OSLT.