java 面试题:如何提高反射效率? - V2EX
Static2015

java 面试题:如何提高反射效率?

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  •   Static2015 Jul 20, 2015 5248 views
    This topic created in 3955 days ago, the information mentioned may be changed or developed.

    java面试题:如何提高反射效率?

    12 replies    2015-07-20 19:50:58 +08:00
    MinMadMax
        1
    MinMadMax  
       Jul 20, 2015
    全电介质反射膜
    xujif
        2
    xujif  
       Jul 20, 2015
    用透光度更高的玻璃和反射率更大的基板
    Septembers
        3
    Septembers  
       Jul 20, 2015
    ASM
    Bryan0Z
        4
    Bryan0Z  
       Jul 20, 2015 via Android
    这和Java有什么关系……你应聘的是高频交易工程师?
    eagledroid
        5
    eagledroid  
       Jul 20, 2015
    楼上的………………
    deving
        6
    deving  
       Jul 20, 2015
    反射效率高不高跟粗糙度,介质有密切相关,最好不要用反射
    tabris17
        7
    tabris17  
       Jul 20, 2015
    自己写JVM
    zoowii
        8
    zoowii  
       Jul 20, 2015
    reflectasm等
    caoyue
        9
    caoyue  
       Jul 20, 2015
    cache 嘛
    hitsmaxft
        10
    hitsmaxft  
       Jul 20, 2015 via iPhone
    其实反射会自动触发jit,虽然速度没有jit后的cglib快
    ffffwh
        11
    ffffwh  
       Jul 20, 2015
    手动给自己的Class打Tag
    otakustay
        12
    otakustay  
       Jul 20, 2015
    楼上的真是够了- -

    最简单的答案就是多反射几次,让JIT有足够的优化余地,慢慢就快起来啦
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