Patent ID: 11907539
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 11:
12. A method of processing an input stream in a multi-stream solid-state device (SSD), the method comprising:
identifying a data stream ID of an input data stream as one of a first stream ID and a second stream ID, the first stream ID being associated with a normal-access memory of the multi-stream SSD, the second stream ID being associated with a high-access memory of the multi-stream SSD separate from the normal-access memory, the high-access memory having a higher endurance than the normal-access memory and having a memory cell architecture different from that of the normal-access memory;
in response to identifying the data stream ID as the first stream ID, storing the input data stream in the normal-access memory; and
in response to identifying the data stream ID as the second stream ID, storing the input data stream in the high-access memory;
monitoring a used capacity of the high-access memory;
determining that the used capacity is greater than a migration threshold;
migrating first data from the high-access memory to the normal-access memory;
determining, based on the migrated first data being stored in the normal-access memory, that the used capacity of the high-access memory is less than a promotion threshold; and
promoting the migrated first data from the normal-access memory to the high-access memory in response to determining that the used capacity of the high-access memory is less than the promotion threshold.