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Quantitative Finance · Glosario

¿Qué es Memory-mapped file?

Definition 4.9 Research, Data and Risk Platforms · Capítulo 4 — A Tick Store on Open Formats

A memory-mapped file is a file mapped into a process’s virtual address space, so that its bytes are read as memory: the operating system loads each page from disk (or from its cache) the first time it is touched, and processes that map the same file share one copy of its pages.

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