System and method for atomic persistence in storage class memory
The present invention provides a lightweight solution for the atomicity and durability of write operations to nonvolatile memory, while simultaneously supporting fast paths through the cache hierarchy to memory. The invention includes a hardware-supported solution with modifications to the memory hi...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The present invention provides a lightweight solution for the atomicity and durability of write operations to nonvolatile memory, while simultaneously supporting fast paths through the cache hierarchy to memory. The invention includes a hardware-supported solution with modifications to the memory hierarchy comprising a victim cache and additional memory controller logic. The invention also includes a software only method and system that provides atomic persistence to nonvolatile memory using a software alias in DRAM and log in nonvolatile memory. |
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