An apparatus and method to reduce the initialization time of a system is disclosed. In one embodiment, upon a cache line update, metadata associated with the cache line is stored in a distributed format in non-volatile memory with its associated cache line. Upon indication of an expected shut down, metadata is copied from volatile memory and stored in non-volatile memory in a packed format. In the packed format, multiple metadata associated with multiple cache lines are stored together in, for example, a single memory block. Thus, upon system power up, if the system was shut down in an expected manner, metadata may be restored in volatile memory from the metadata stored in the packed format, with a significantly reduced boot time over restoring metadata from the metadata stored in the distributed format.

 
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