Architectures and Processors forum Will data be stored to cache first when I send a large amount of data continually(exceed the size of cache)?

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Will data be stored to cache first when I send a large amount of data continually(exceed the size of cache)?

amanda_s over 9 years ago

Dear friend

Cortex-M7 has cache. After enable data cache, will data be stored to cache first when I send a large amount of data continually?

The size of data exceed the space of cache.

Thanks!

Amanda

Top replies

Yasuhiko Koumoto over 9 years ago +1 verified

Hi Amanda, regarding continuous write data, the dynamic read allocation mechanism will invoke and then the write back cache will turn into the read allocate mode. This means that as long as missing the...