1. A cache write policy manager configured to: determine whether at least two caches among a plurality of parallel caches are active; instruct an active cache among the plurality of parallel caches to apply a write-back cache policy if all of one or more other caches among the plurality of parallel caches are not active; and instruct an active cache among the plurality of parallel caches to apply a write-through cache policy if any of the one or more other caches among the plurality of parallel caches are active.