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

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