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    • 3. 发明授权
    • Techniques for dynamically sharing a fabric to facilitate off-chip communication for multiple on-chip units
    • 用于动态共享结构以促进多个片上单元的片外通信的技术
    • US08346988B2
    • 2013-01-01
    • US12786716
    • 2010-05-25
    • Jian LiWilliam E. SpeightLixin Zhang
    • Jian LiWilliam E. SpeightLixin Zhang
    • G06F3/00G06F13/00
    • G06F1/3203G06F1/3253G06F9/5011Y02D10/151Y02D10/22
    • A technique for sharing a fabric to facilitate off-chip communication for on-chip units includes dynamically assigning a first unit that implements a first communication protocol to a first portion of the fabric when private fabrics are indicated for the on-chip units. The technique also includes dynamically assigning a second unit that implements a second communication protocol to a second portion of the fabric when the private fabrics are indicated for the on-chip units. In this case, the first and second units are integrated in a same chip and the first and second protocols are different. The technique further includes dynamically assigning, based on off-chip traffic requirements of the first and second units, the first unit or the second unit to the first and second portions of the fabric when the private fabrics are not indicated for the on-chip units.
    • 一种用于共享一个结构以促进片上单元的片外通信的技术包括:当针对片上单元指示专用结构时,动态分配实现第一通信协议的第一单元到该结构的第一部分。 该技术还包括当为片上单元指示专用结构时,动态地将实现第二通信协议的第二单元分配给该结构的第二部分。 在这种情况下,第一和第二单元集成在相同的芯片中,并且第一和第二协议是不同的。 该技术还包括:当私有结构未被指示用于片上单元时,基于第一单元或第二单元的片外流量要求将第一单元或第二单元动态地分配给该结构的第一和第二部分 。
    • 7. 发明申请
    • Reducing Energy Consumption of Set Associative Caches by Reducing Checked Ways of the Set Association
    • 通过减少集合关联检查方式降低设置关联缓存的能耗
    • US20110296112A1
    • 2011-12-01
    • US12787122
    • 2010-05-25
    • Jian LiWilliam E. SpeightLixin Zhang
    • Jian LiWilliam E. SpeightLixin Zhang
    • G06F12/08G06F12/00
    • G06F12/0864G06F12/0842G06F2212/1028G06F2212/6042G06F2212/6082Y02D10/13
    • Mechanisms for accessing a set associative cache of a data processing system are provided. A set of cache lines, in the set associative cache, associated with an address of a request are identified. Based on a determined mode of operation for the set, the following may be performed: determining if a cache hit occurs in a preferred cache line without accessing other cache lines in the set of cache lines; retrieving data from the preferred cache line without accessing the other cache lines in the set of cache lines, if it is determined that there is a cache hit in the preferred cache line; and accessing each of the other cache lines in the set of cache lines to determine if there is a cache hit in any of these other cache lines only in response to there being a cache miss in the preferred cache line(s).
    • 提供了访问数据处理系统的集合关联缓存的机制。 识别与集合关联高速缓存中的与请求的地址相关联的一组高速缓存行。 基于针对集合的确定的操作模式,可以执行以下操作:确定高速缓存命中是否发生在优选高速缓存行中,而不访问该组高速缓存行中的其他高速缓存行; 如果确定在所述优选高速缓存行中存在高速缓存命中,则从所述优选高速缓存行中检索数据而不访问所述一组高速缓存行中的其它高速缓存行; 以及访问该组高速缓存行中的每个其它高速缓存行,以仅在响应于优选高速缓存行中存在高速缓存未命中时确定在这些其它高速缓存行中的任何一个中是否存在高速缓存命中。