![]() ![]() The software algorithm uses the opening and closing of put/get windows to coordinate the activated required to achieve cache coherence. Generally the present invention relates to a software algorithm that simplifies and significantly speeds the management of cache coherence in a message passing parallel computer, and to hardware apparatus that assists this cache coherence algorithm. Simplifying and speeding the management of intra-node cache coherenceīlumrich, Matthias A [Ridgefield, CT Chen, Dong [Croton on Hudson, NY Coteus, Paul W [Yorktown Heights, NY Gara, Alan G [Mount Kisco, NY Giampapa, Mark E [Irvington, NY Heidelberger, Phillip [Cortlandt Manor, NY Hoenicke, Dirk [Ossining, NY Ohmacht, Martin [Yorktown Heights, NYĪ method and apparatus for managing coherence between two processors of a two processor node of a multi-processor computer system. The store-without- coherence-action instruction specifies that the store operation is to be performed without a cache coherence action, and cache coherence is maintained upon execution of the store-without- coherence-action instruction. A store-without- coherence-action instruction is generated for the store operation, responsive to determining that no cache coherence action is necessary. It is determined, by a computer processor, that no cache coherence action is necessary for the store operation. In one embodiment, a computer-implemented method includes encountering a store operation during a compile-time of a program, where the store operation is applicable to a memory line. Did a Cyberattack Cause Recent Crashes of U.S.Store operations to maintain cache coherenceĮvangelinos, Constantinos Nair, Ravi Ohmacht, Martin.C’s strcpy_s(): C11’s More Secure Version of strcpy(). ![]()
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