C++ and Persistent Memory Technologies, Like Intel's 3D-XPoint

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" summary

An open source C++ API and library for byte-addressable persistent memory (works with Intel-style DIMMs and maps via DAX/ODAX) that implements undo-log transactions (function, automatic and manual styles), transactional alloc/free, and a p<T> wrapper that snapshots primitive writes. Persistent pointers store pool-relative offsets (16 bytes) so mapped addresses can differ on reload. Standard containers work via a persistent allocator, but there is no polymorphic object support, no multiprocess safety yet, and cacheline flushes (CLFLUSH/CLFLUSHOPT/CLWB) are required for durability.

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" chapters (14)

1. 0:00Introduction
2. 1:05Persistent memory basics
3. 4:48DAX and direct access
4. 12:20Persistent memory challenges
5. 16:59Trivial queue example
6. 21:58Transaction types overview
7. 29:54Lander transactions
8. 31:20Resides in persistent memory
9. 33:31Persistent pointer design
10. 40:29Polymorphic objects limitations
11. 43:58Persistent locks and logs
12. 46:35Standard library containers
13. 50:14Known issues and limitations
14. 53:34Q&A session

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