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Rebasing I/O for Scientific Computing: Leveraging Storage Class Memory in an IBM BlueGene/Q Supercomputer

Publications associées (40)

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Fault Tolerant Chip-to-Chip Communication with Advanced Voltage Regulator

Mohammad Amin Shokrollahi

Systems and circuits are described for transmitting data over physical channels to provide a fault tolerant, high speed, low latency interface such as between a memory controller and memory devices. Communications signals are communicated over interconnect ...

2015

Online Updates on Data Warehouses via Judicious Use of Solid-State Storage

Anastasia Ailamaki, Manoussos Gavriil Athanassoulis, Radu Ioan Stoica

Data warehouses have been traditionally optimized for read-only query performance, allowing only offline updates at night, essentially trading off data freshness for performance. The need for 24x7 operations in global markets and the rise of online and oth ...

Assoc Computing Machinery2015

Flash-aware Database Transactions

Radu Ioan Stoica

Over the past 40 years, hard disks, the traditional building block of storage systems, have become increasingly slower when compared to the other system components such as the main memory and the CPU. Hard disks face mechanical constraints that cause their ...

EPFL2014

Differential vector storage for non-volatile memory

Mohammad Amin Shokrollahi

A method is disclosed for storing information on non-volatile memory which can rewrite memory cells multiple times before a block needs to be erased. The information to be stored is transformed into a suitable form which has better robustness properties wi ...

2014

Re-writing scheme for solid-state storage devices

Mohammad Amin Shokrollahi, Yuval Cassuto, Luoming Zhang

A multi-level cell flash memory storage device has cells wherein different charge levels represent different information. The storage device can read stored charge from one or more cells, store a rewrite generation value for a group of a plurality of cells ...

2014

A (Nearly) Free Lunch

Xavier Jimenez

NAND flash is a key storage technology in modern computing systems. Without it, many devices would probably not exist today or would at least not benefit from as many features. The very large success of this technology motivated massive efforts to scale it ...

EPFL2014

Querying Persistent Graphs using Solid State Storage

Manoussos Gavriil Athanassoulis

Recent advances in solid state technology have led to the introduction of Solid State Drives (SSDs). Todays SSDs store data persistently using NAND flash memory. While SSDs are more expensive than hard disks when measured in dollars per gigabyte, they are ...

2013

Surface potential compact model for embedded flash devices oriented to IC memory design

Alexandre Schmid, Yusuf Leblebici, Davide Garetto

A surface potential-based model for embedded flash memory cells has been developed with the purpose of providing a comprehensive physical understanding of the device operation suitable for performance optimization in memory circuit design. The device equat ...

Pergamon-Elsevier Science Ltd2013

Nonvolatile Memory Cells Based on MoS2/graphene heterostructures

Andras Kis, Daria Krasnozhon, Simone Bertolazzi

Memory cells are an important building block of digital electronics. We combine here the unique electronic properties of semiconducting monolayer MoS2 with the high conductivity of graphene to build a 2D heterostructure capable of information storage. MoS2 ...

Amer Chemical Soc2013

Path Processing using Solid State Storage

Manoussos Gavriil Athanassoulis

Recent advances in solid state technology have led to the introduction of Solid State Drives (SSDs). Todays SSDs store data persistently using NAND ﬂash memory. While SSDs are more expensive than hard disks when measured in dollars per gigabyte, they are s ...

2012