We looked at techniques not only at the PHP level, by leveraging an opcode cache and optimizing the PHP configuration, but also looked at optimizing your database design for proper indexing.
我们不仅通过利用一个操作码缓存和优化PHP配置探究了php级别的技术，而且探究了如何优化您的数据库设计来实现合理的索引编制。
Most of the important optimizations for optimizing Python require high-level knowledge of how the program executed on previous iterations, and LLVM didn't help us do that.
而大多数对Python的优化却需要更高层的知识，例如程序在前一个迭代中是如何执行的，LLVM并不能在此发挥作用。
The fundamental design issues that arise in the pickup and delivery system planning are optimizing the system with minimum cost and maximum throughput and service level.
在规划取货和递送系统中产生的基本设计问题是优化，费用最低而通过能力和服务水平最高。
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