| 摘要 |
The present invention discloses a data management method, device and data chip. The data management method includes: receiving write data of a write request; writing the write data according to a current data management mode, where when the data management mode is a first mode, the write data of the write request is stored in an on-chip cache and when the data management mode is a second mode, the write data of the write request is stored in the on-chip cache and an off-chip memory chip; and receiving a read request of the write data, searching for the write data in the on-chip cache according to the read request, and if the write data cannot be obtained from the on-chip cache, obtaining the write data from the off-chip memory chip, thereby reducing power consumption for data access to external memory chips.
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