XML数据越复杂越大，性能的提升越明显。
The greater the complexity and size of the XML data the greater will be the performance improvement.
不过升级的最大理由大概是性能的提升。
But the biggest reason to upgrade is probably increased performance.
分析：很明显，任何硬件升级都会带来性能的提升。
This is pretty obvious: Any hardware upgrade typically receives a performance boost.
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