Allocation overhead depends on available resources and the performance of a specific JVM and J2EE implementation.

分配开销具体取决于可用的资源和特定JVM的性能以及J2EE实现。

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A server can also restrict the byte range of a Write layout to avoid quota limits or to reduce allocation overhead, among other reasons.

服务器还能限制Write布局的字节范围，以避免配额限制或减少分配开销等等。

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The exact quote from README.ZEND_MM states: "The goal of the new memory manager (PHP5.2 and later) is reducing memory allocation overhead and speeding up memory management."

从 README.ZEND_MM 中准确地引述就是：“新内存管理器（PHP5.2 以及更高版本）的目标是减少内存分配开销并加速内存管理。”

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Frank also cites an American Bar Association ethics ruling suggesting law firms should only bill clients their actual cost plus a reasonable allocation of overhead, including the cost of outsourced legal work.

FORBES: Plaintiff Lawyers in Citigroup Case Seek Big Markup For Outside Attorneys