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stale data |
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| Related Terms | cache coherence, massively parallel processing, parallel processing, processor |
| Description | data that is old or out of date, the opposite of fresh dataa. In concurrent programming it has a special meaning - if a processor changes the value of an operand, then later on retrieves the operand but obtains the old value, the processor is said to have received stale data. stale data can sometimes be useful in multiprocessing to ensure cache coherence. |