PPE的代码会负责对程序进行初始化、给一个或多个SPE设置任务并执行输入输出操作。
The code for the PPE takes care of initializing the program, setting up one or more SPEs with tasks, and performing input and output.
为了创建和修改工作产品，角色被分配来执行某种具有输入输出的工作产品类型的任务。
For creating and modifying work products, roles are assigned to perform tasks that have specific types of work products as input and output.
在这些被称为RMC的任务描述符的任务应用下，你可以看到执行角色清单以及输入输出工作产品。
Below each of these task applications, referred to as task descriptors in RMC, you see lists of the performing roles as well as the input and output work products.
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