cache incoherence
[/kæʃ ɪnkoʊˈhɪrəns/]
nounpl: cache incoherences
incoerência de cache
1. A situation in computer architecture where multiple cache memories in a multiprocessor system contain different values for the same memory location, violating data consistency and coherence protocols
Cache incoherence can lead to unpredictable behavior in parallel processing systems if not properly managed with coherence protocols like MESI or MOESI.
A incoerência de cache pode levar a comportamentos imprevisíveis em sistemas de processamento paralelo se não for adequadamente gerenciada com protocolos de coerência como MESI ou MOESI.
2. The failure of cache coherence mechanisms to maintain consistency between copies of data stored in different caches
Developers must implement proper synchronization mechanisms to prevent cache incoherence in multi-threaded applications.
Os desenvolvedores devem implementar mecanismos adequados de sincronização para evitar incoerência de cache em aplicações multi-thread.
This is a specialized technical term used primarily in computer architecture and systems programming contexts. It is more commonly used in English-speaking technical communities, but the Portuguese translation 'incoerência de cache' is standard in Brazilian computer science education and professional environments. Understanding cache coherence is critical in multiprocessor systems, and the issue is discussed extensively in both American and Brazilian university computer engineering programs.
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