C,java性能比较

出处：P&H，Computer Organization and Design,The Hardware/Software Interface,4ed

Language	Execution method	Optimization	Bubble Sort   relative performance	Quicksort	Speedup Quicksort vs  Bubble Sort
C	compiler	none	1.00	1.00	2468
	compiler	O1	2.37	1.50	1562
	compiler	O2	2.38	1.50	1555
	compiler	O3	2.41	1.91	1955
Java	interpreter	－	0.12	0.05	1050
	Just in time compiler	－	2.13	0.29	338

JVM :    Sun version 1.3.1
JIT:        Sun Hotspot version 1.3.1