Symfony 2.5

	Benchmark		Config		Concurrence 1		Concurrence 5		Concurrence 10		Concurrence 20		Score
	Hello world				1,7 ms	573 rq/sec	1,3 ms	3 884 rq/sec	2,5 ms	3 948 rq/sec	5,1 ms	3 933 rq/sec	7 114
	API REST				2,2 ms	456 rq/sec	1,9 ms	2 615 rq/sec	3,8 ms	2 654 rq/sec	7,6 ms	2 619 rq/sec	13 827

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.