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公开(公告)号：US20050071563A1
公开(公告)日：2005-03-31
申请号：US10676446
申请日：2003-09-30
IPC分类号： G06F12/00
CPC分类号： G06F9/383 , G06F12/0859
摘要： A method, apparatus, and system are provided for early data return indication mechanism. According to one embodiment, data cache is accessed for data in response to a request for the data, the request received from an instruction source, and the request waits for the data to be retrieved from memory if the data is not located in the data cache, and an early data ready indication is received at a resource scheduler, the early data ready indication being received prior to receiving a data ready indication referring to the data being ready to be retrieved from the memory.
摘要翻译： 提供了早期数据返回指示机制的方法，装置和系统。 根据一个实施例，响应于对数据的请求，从指令源接收到的请求，数据高速缓存被访问，并且如果数据不位于数据高速缓存中，则请求等待从存储器检索数据 并且在资源调度器处接收到早期数据就绪指示，在接收到准备好从存储器检索的数据的数据就绪指示之前接收到早期数据就绪指示。
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公开(公告)号：US20070028048A1
公开(公告)日：2007-02-01
申请号：US11541289
申请日：2006-09-28
IPC分类号： G06F12/00
CPC分类号： G06F9/383 , G06F12/0859
摘要： One embodiment of a method is disclosed. The method generates requests waiting for data to be loaded into a data cache including a first level cache (FLC). The method further receives the requests from instruction sources, schedules the requests, and then passes the requests on to an execution unit having the data cache. Further, the method checks contents of the data cache, replays to the requests if the data is not located in the data cache, and stores the requests that are replay safe. The method further detects the readiness of the data of bus clocks prior to the data being ready to be transmitted to a processor, and transmits an early data ready indication to the processor to drain the requests from a resource scheduler.
摘要翻译： 公开了一种方法的一个实施例。 该方法产生等待数据加载到包括第一级高速缓存（FLC）的数据高速缓存中的请求。 该方法还从指令源接收请求，调度请求，然后将请求传递给具有数据高速缓存的执行单元。 此外，该方法检查数据高速缓存的内容，如果数据不位于数据高速缓存中，则重播请求，并存储重放安全的请求。 该方法还在数据准备好发送到处理器之前进一步检测总线时钟数据的准备状态，并将早期的数据就绪指示发送给处理器以从资源调度器中排出请求。
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