First pass of trying to reduce the number of new/deletes in GSF:ATLASRECTS-4983 (!24778) · Merge requests · atlas / athena

Memory operations are a visible component of the Fitter CPU time this MR should reduce them by a factor of 2.

Edited Jul 11, 2019 by Christos Anastopoulos

First pass of trying to reduce the number of new/deletes in GSF:ATLASRECTS-4983