Symfony 2.8

	Benchmark		Config		Concurrence 1		Concurrence 5		Concurrence 10		Concurrence 20		Score
	Hello world				2 ms	506 rq/sec	1,6 ms	3 142 rq/sec	3,2 ms	3 152 rq/sec	6,4 ms	3 131 rq/sec	5 832
	API REST				3,2 ms	310 rq/sec	2,8 ms	1 807 rq/sec	5,6 ms	1 794 rq/sec	11,2 ms	1 787 rq/sec	9 434

Outils de performance

Get Doctrine stats : managed entities, lazy loaded entities, hydration time etc.

steevanb/doctrine-stats

Add SimpleObject and ReadOnly hydrators do Doctrine (3,5x faster).

steevanb/doctrine-read-only-hydrator

Add hint MERGE_ENTITY to merge fields retrieved by many queries with PARTIAL.

steevanb/doctrine-entity-merger

View Symfony Container instantiated services, public / private services etc.