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Latency and Bandwidth Efficiency Improvement for Read Modify Write When a Read Operation is Requested to a Partially Modified Write Only Cacheline
Latency and Bandwidth Efficiency Improvement for Read Modify Write When a Read Operation is Requested to a Partially Modified Write Only Cacheline
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机译:请求对部分修改的只写高速缓存行进行读操作时,读取修改写的延迟和带宽效率提高
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摘要
Methods and apparatus relating to techniques to improve/optimize latency and bandwidth efficiency for read modify write operations when a read operation is requested to a partially modified write only cacheline are described. In an embodiment, a first cache stores data from one or more cachelines of a second cache in response to a read hit write only operation (e.g., instead of sending the data to main memory). Write accumulate logic merges the stored data with one or more write operations. Other embodiments are also disclosed and claimed.
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