PRESENTATION TITLE GOES HERE Ken Gibson

Intel Director, NVM SW Architecture

Memory is the New Storage

Opportunities for Storage SW Innovators

JANUARY 20, 2016, SAN JOSE, CA

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NAND MLC NVMe SSD (4kB read)

3D Xpoint NVMe SSD (4kB read)

DIMM Memory (64B read)

Persistent Memory is Coming La

tenc

y (u

secs

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I/O

Capacity Storage

The End-State

Capacity Storage

In-Place Working Storage

Next Generation NVM

Hot Storage

Working Data

DRAM

HDD SSD

Today The Future

Working Memory and Hot Storage Tier Merge

Evolving the Software Architecture

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File APIs

Application

OS Kernel

File SystemFS-based Data

Services

Block Drivers

Working Data

DRAM

Block Filters

File Filters

Data I/O

Example Data ServicesLocal & Remote ReplicationSnapshotData protection, RAID, etc.Tiering, CachingData reduction: Dedup, CompressionAudit trail, EncryptionVirus protectionOther Compliance features….

Starting with Today’s Storage SW Stack

I/O-based Storage

A Possible Next Evolutionary Step

File APIs

Application

OS Kernel

File System-based Data Services

Optimized Block Drivers

Working Data

DRAM

Persistent Memory

Load StoreAccess

Block Filters

File Filters

Data Copies

I/O-based Storage

Similar File APIs

New User ModeNVM Data Services Libraries

SNIA NVM Programming Model + I/O-based Application APIs

~1uS Latency

The End State In-Place Working Storage

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Eliminating the I/O Intercept Point

File APIs

Application

OS Kernel

File SystemFS-based Data

Services

Block Drivers

Working Data

Stored In-Place

In-PlaceWorking Storage

Block Filters

File Filters

I/O

I/O-based Storage

The Opportunity for Storage SW Innovators

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Data Services for In-Place Working Storage

File APIs

Application

OS Kernel

File SystemFS-based Data

Services

Block Drivers

Working Data

Persisted In-Place

In-PlaceWorking Storage

Block Filters

File Filters

I/O-based Storage

New APIs and Data Services

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NVDIMM

User Space

Kernel Space

Application

Load/Store Standard File API

pmem-Aware File System

MMU Mappings

NVM Library

•  Open Source •  http://pmem.io

•  libpmem •  libpmemobj •  libpmemblk •  libpmemlog •  libvmem •  libvmmalloc

Transactional

Kick-starting SW Innovation with the Open Source NVM Library

NVDIMM

User Space

Kernel Space

Application

Load/Store Standard File API

pmem-Aware File System

MMU Mappings

No Page Cache

msync()  FlushViewOfFile()  

pmem_persist()  

Write I/O Replaced with Persist Points

Traditional APIs NVML API

NVM Library

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Join the Discussion

  Learn about the Persistent Memory programming model http://www.snia.org/forums/sssi/nvmp

  Join the pmem NVM Libraries Open Source project   http://pmem.io

Read the documents and code supporting ACPI 6.0 and Linux NFIT drivers

http://www.uefi.org/sites/default/files/resources/ACPI_6.0.pdf https://git.kernel.org/cgit/linux/kernel/git/djbw/nvdimm.git/log/?h=nd https://github.com/pmem/ndctl http://pmem.io/documents/ https://github.com/01org/prd

Intel Architecture Instruction Set Extensions Programming Reference https://software.intel.com/en-us/intel-isa-extensions

  Intel 3D XPointTM Memory   http://www.intel.com/content/www/us/en/architecture-and-technology/non-

volatile-memory.html