该文抽象出图形处理器的流执行模型，描述图形处理器流处理机制的执行过程，在图形处理器上实现了二维离散余弦变换。
This paper abstracts a stream execution model of GPU, describes its stream execution process, and implements the discrete cosine transform on GPU.
表现力大多源于存在条件逻辑、动态更改输入模型和控制执行流的标签。
Much of the expressiveness comes from there being tags for conditional logic, dynamically changing the input model, and controlling the flow of execution.
此中介流组件（图 4）执行请求者数据模型与提供者数据模型间的映射，并且还可以针对诊断或审计的目的进行进一步的日志记录。
The mediation flow component (Figure 4) performs a mapping of the requestor's data model to that of the provider, and perhaps performs some further logging for diagnostics or auditing purposes.
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