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storage hardware
(126 results)Search the Library
Mission Statement
TechRepublic's ITPapers is the Web's largest library of free technical IT white papers, webcasts, and case studies. Covering IT categories including Data Management, IT Management, Networking, Communications, Enterprise Applications, Storage, Security and much more, TechRepublic's White Paper Directory is the best source for technical white papers and IT information.
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White Papers
NFuSA - Neuro-Fuzzy Algorithm for Sparing in RAID Systems
Nov 2007
Sparing, the process of rebuilding data in case of disk failure, has been a target of research since early 1990's. The problem that these specific hardware/software control systems typically face...
Provided by Institute of Electrical and Electronics Engineers
-
Webcasts
Webcast: Best Practices for Eliminating Administrator Rights
Jan 2011
LIVE WEBCAST DATE: Thursday, February 3, 2011 TIME: 2:00PM ET | 11:00AM PT | 18:00 GMT You already know that handing out Administrator rights simply isn't a good idea. There's got to be a...
Provided by Viewfinity
-
Webcasts
Webinar: Best Practices for Eliminating Administrator Rights
Jan 2011
LIVE WEBCAST DATE: Thursday, February 3, 2011 TIME: 2:00PM ET | 11:00AM PT | 18:00 GMT You already know that handing out Administrator rights simply isn't a good idea. There's got to be a...
Provided by Viewfinity
-
White Papers
Flip-N-Write: A Simple Deterministic Technique to Improve PRAM Write Performance, Energy and Endurance
Dec 2009
The Phase-Change Random Access Memory (PRAM) technology is fast maturing to production levels. Main advantages of PRAM are non-volatility, byte addressability, in-place programmability, low-power...
Provided by Association for Computing Machinery
-
White Papers
Rethinking DRAM Design and Organization for Energy-Constrained Multi-Cores
Jun 2010
DRAM vendors have traditionally optimized the cost-per-bit metric, often making design decisions that incur energy penalties. A prime example is the overfetch feature in DRAM, where a single...
Provided by Association for Computing Machinery
-
White Papers
High Capacity Jukebox
Apr 2009
The jukebox consists of two 400 disc CD changers. The authors have designed and implemented a way for the CD changers to operate through a Graphical User Interface (GUI) run on a computer. The...
Provided by Ohio Northern University
-
White Papers
Agile in the Cloud: Keeping Development Teams Grounded
Dec 2010
"While there is a great deal of buzz surrounding cloud technologies, it's interesting to note that the term 'cloud computing' means different things to different people. West noted that the first...
Provided by CollabNet
-
White Papers
An Agile Approach to "Metrics" - Applied Macromeasurements to Ensure On-Time Delivery
Jan 2011
This article challenges the value of traditional metrics for managing product development schedules and presents a reality-based alternative which is compatible with Agile approaches such as Scrum...
Provided by CollabNet
-
White Papers
What is Agile ALM
Jan 2011
Application Lifecycle Management (ALM) is the management of the software application lifecycle from initial development to final release. ALM encompasses all of the practices, processes and tools...
Provided by CollabNet
-
White Papers
Micro-Pages: Increasing DRAM Efficiency With Locality-Aware Data Placement
Mar 2010
Power consumption and DRAM latencies are serious concerns in modern Chip-MultiProcessor (CMP or Multi-core) based compute systems. The management of the DRAM row buffer can significantly impact...
Provided by Association for Computing Machinery
-
White Papers
3D Network-on-Chip With On-Chip DRAM: An Empirical Analysis for Future Chip Multiprocessor
Nov 2010
With the increasing number of on-chip components and the critical requirement for processing power, Chip MultiProcessor (CMP) has gained wide acceptance in both academia and industry during the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Perceptually-Motivated Nonlinear Channel Decorrelation for Stereo Acoustic Echo Cancellation
Apr 2008
Acoustic echo cancellation with stereo signals is generally an underdetermined problem because of the high coherence between the left and right channels. In this paper, the authors present a novel...
Provided by CSIRO Australia
-
White Papers
Beyond TCAMs: An SRAM-Based Parallel Multi-Pipeline Architecture for Terabit IP Lookup
Jan 2008
Continuous growth in network link rates poses a strong demand on high speed IP lookup engines. While Ternary Content Addressable Memory (TCAM) based solutions serve most of today's high-end...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A Variation-Tolerant Sub-200 mV 6-T Subthreshold SRAM
Oct 2008
In this paper, the authors present a deep subthreshold 6-T SRAM, which was fabricated in an industrial 0.13 m CMOS technology. The authors first use detailed simulations to explore the challenges...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A 5.42nW/kB Retention Power Logic-Compatible Embedded DRAM With 2T Dual-Vt Gain Cell for Low Power Sensing Applications
Jan 2011
A logic-compatible 2T dual-Vt embedded DRAM (eDRAM) is proposed for ultra-small sensing systems to achieve 8× longer retention time, 5× lower refresh power and 30% reduced area compared with the...
Provided by University of Michigan
-
White Papers
A Behind-the-Scenes Story on Applying Cross-Layer Coordination to Disks and RAIDs
Oct 2007
Coordinating storage components across abstraction layers has demonstrated significant performance gains. However, when applied near the physical storage, this approach relies on exposing and...
Provided by Florida State University
-
White Papers
Recovery Boosting: A Technique to Enhance NBTI Recovery in SRAM Arrays
Apr 2010
Negative Bias Temperature Instability (NBTI) is an important lifetime reliability problem in microprocessors. SRAM-based structures within the processor are especially susceptible to NBTI since...
Provided by University of Virginia
-
Whitepapers
Solid State Drive Performance
Mar 2008
To those in the computer industry, it's no surprise that each computer component - from the CPU to the RAM, the video GPU to the storage systems - needs to be faster to keep up with user demands...
Provided by Imation
-
White Papers
On the Cost of Concurrency in Transactional Memory
Mar 2011
The crux of Software Transactional Memory (STM) is to combine an easy-to-use programming interface with an efficient utilization of the concurrent computing abilities provided by modern machines....
Provided by Cornell University
-
White Papers
Compressed Random Access Memory
Nov 2010
Motivated by applications which need to store huge amounts of data in the main memory of a computer, this paper proposes a new dynamic data-structure for compressed random access memory. Ferragina...
Provided by Ochanomizu University
-
Case Studies
Confidence in a Downturn: Growing Revenue Fast on an HP BladeSystem and HP LeftHand P4000 SAN
Oct 2009
Gradewell needs to maximize uptime and minimize costs to bring customers an advantage in Internet telephony. They approach to Deploy a VMware environment on HP ProLiant BL490c G6 Servers with HP...
Provided by Hewlett-Packard
-
White Papers
Data Data Everywhere
Sep 2007
When files are deleted, it doesn't mean that data are gone. That this simple fact is not known to many users of computer systems and digital cameras has once again lead to alarming results in this...
Provided by O&O Software GmbH
-
Case Studies
Accelerating ISCSI SAN Storage With Mellanox End-to-End Networking Solution
Apr 2011
Current data centers require frequent high speed access between server and storage infrastructures for timely response to customers. Web-based service providers, such as Infrastructure as a...
Provided by Mellanox Technologies
-
White Papers
Tree Indexing on Solid State Drives
Oct 2009
Large flash disks, or Solid State Drives (SSDs), have become an attractive alternative to magnetic hard disks, due to their high random read performance, low energy consumption and other features....
Provided by VLDB Endowment
-
White Papers
Protecting Against Rare Event Failures in Archival Systems
Sep 2009
Digital archives are growing rapidly, necessitating stronger reliability measures than RAID to avoid data loss from device failure. Mirroring, a popular solution, is too expensive over time. The...
Provided by Santa Clara University
-
White Papers
A Spin-Up Saved Is Energy Earned: Achieving Power-Efficient, Erasure-Coded Storage
Sep 2009
Storage accounts for a significant amount of a data center's ever increasing power budget. As a consequence, energy consumption has joined performance and reliability as a dominant metric in...
Provided by Santa Clara University
-
White Papers
FlashStore: High Throughput Persistent KeyValue Store
Aug 2010
The authors present FlashStore, a high throughput persistent keyvalue store that uses flash memory as a non-volatile cache between RAM and hard disk. FlashStore is designed to store the working...
Provided by VLDB Endowment
-
White Papers
The DiskSim Simulation Environment Version 4.0 Reference Manual
May 2008
DiskSim is an efficient, accurate and highly-configurable disk system simulator developed to support research into various aspects of storage subsystem architecture. It includes modules that...
Provided by Carnegie Mellon University
-
White Papers
When MTTDLs Are Not Good Enough: Providing Better Estimates of Disk Array Reliability
Nov 2008
While Mean Time To Data Loss (MTTDL) provides an easy way to estimate the reliability of redundant disk arrays, it fails to take into account the relatively short lifetime of these arrays. The...
Provided by Santa Clara University
-
White Papers
Evaluating the Impact of Irrecoverable Read Errors on Disk Array Reliability
Aug 2009
The authors investigate the impact of irrecoverable read errors - also known as bad blocks - on the MTTDL of mirrored disks, RAID level 5 arrays and RAID level 6 arrays. The study is based on the...
Provided by University of California
-
White Papers
A Model of Dynamic Separation for Transactional Memory
Jul 2009
Dynamic separation is a new programming discipline for systems with transactional memory. The authors study it formally in the setting of a small calculus with transactions. They provide a precise...
Provided by University of California
-
White Papers
Fast Multiplication of Large Permutations for Disk, Flash Memory and RAM
Jul 2010
Permutation multiplication (or permutation composition) is perhaps the simplest of all algorithms in computer science. Yet for large permutations, the standard algorithm is not the fastest for...
Provided by Association for Computing Machinery
-
White Papers
Should We Worry About Memory Loss?
Apr 2011
In recent years the High Performance Computing (HPC) industry has benefited from the development of higher density multi-core processors. With recent chips capable of executing up to 32 tasks in...
Provided by University of Warwick
-
White Papers
Impact of Process Variation on Endurance Algorithms for Wear-Prone Memories
Jan 2011
Non-volatile memories, such as Flash and Phase-Change Memory, are replacing other memory and storage technologies. Although these new technologies have desirable energy and scalability properties,...
Provided by European Design and Automation Association
-
White Papers
Fast Crash Recovery in RAMCloud
Mar 2011
RAMCloud is a DRAM-based storage system that provides inexpensive durability and availability by recovering quickly after crashes, rather than storing replicas in DRAM. RAMCloud scatters backup...
Provided by Stanford University
-
White Papers
The Case for RAMClouds: Scalable High-Performance Storage Entirely in DRAM
Dec 2009
Disk-oriented approaches to online storage are becoming increasingly problematic: they do not scale gracefully to meet the needs of large-scale Web applications, and improvements in disk capacity...
Provided by Stanford University
-
White Papers
Bandwidth, Area Efficient and Target Device Independent DDR SDRAM Controller
Jun 2009
The application of the Synchronous Dynamic Random Access Memory (SDRAM) has gone beyond the scope of personal computers for quite a long time. It comes into hand whenever a big amount of low price...
Provided by Gwangju Institute of Science and Technology
-
White Papers
MemScale: Active Low-Power Modes for Main Memory
Mar 2011
Main memory is responsible for a large and increasing fraction of the energy consumed by servers. Prior work has focused on exploiting DRAM low-power states to conserve energy. However, these...
Provided by Association for Computing Machinery
-
White Papers
Reliable Adaptable Network RAM
Jul 2008
The authors present reliability solutions for adaptable Network RAM systems running on general-purpose clusters. Network RAM allows nodes with over-committed memory to swap pages over the network,...
Provided by Swarthmore College
-
White Papers
Understanding Latent Sector Errors and How to Protect Against Them
Jan 2010
Latent Sector Errors (LSEs) refer to the situation where particular sectors on a drive become inaccessible. LSEs are a critical factor in data reliability, since a single LSE can lead to data loss...
Provided by University of Toronto
-
White Papers
Globally Clocked Magnetic Logic Circuits
Nov 2009
Magnetic spin valve devices enable the design of logic and memory elements that are suitable for use when constructing digital systems. A master-slave flip-flop design is proposed that can be...
Provided by University of Washington
-
White Papers
On Avoiding Spare Aborts in Transactional Memory
Aug 2009
This paper takes a step toward developing a theory for understanding aborts in Transactional Memory systems (TMs). Existing TMs may abort many transactions that could, in fact, commit without...
Provided by Association for Computing Machinery
-
White Papers
SMV: Selective Multi-Versioning STM
Mar 2010
The authors present Selective Multi-Versioning (SMV), a new STM that reduces the number of aborts, especially those of long read-only transactions. SMV keeps old object versions as long as they...
Provided by Technion - Israel Institute of Technology
-
White Papers
DRAM Errors in the Wild: A Large-Scale Field Study
Jun 2009
Errors in Dynamic Random Access Memory (DRAM) are a common form of hardware failure in modern compute clusters. Failures are costly both in terms of hardware replacement costs and service...
Provided by Association for Computing Machinery
-
White Papers
Understanding Latent Sector Errors and How to Protect Against Them
Jan 2010
Latent Sector Errors (LSEs) refer to the situation where particular sectors on a drive become inaccessible. LSEs are a critical factor in data reliability, since a single LSE can lead to data loss...
Provided by University of Toronto
-
White Papers
Reliable Adaptable Network RAM
Jul 2008
The authors present reliability solutions for adaptable Network RAM systems running on general-purpose clusters. Network RAM allows nodes with over-committed memory to swap pages over the network,...
Provided by Swarthmore College
-
White Papers
MemScale: Active Low-Power Modes for Main Memory
Mar 2011
Main memory is responsible for a large and increasing fraction of the energy consumed by servers. Prior work has focused on exploiting DRAM low-power states to conserve energy. However, these...
Provided by Association for Computing Machinery
-
White Papers
Bandwidth, Area Efficient and Target Device Independent DDR SDRAM Controller
Jun 2009
The application of the Synchronous Dynamic Random Access Memory (SDRAM) has gone beyond the scope of personal computers for quite a long time. It comes into hand whenever a big amount of low price...
Provided by Gwangju Institute of Science and Technology
-
White Papers
The Case for RAMClouds: Scalable High-Performance Storage Entirely in DRAM
Dec 2009
Disk-oriented approaches to online storage are becoming increasingly problematic: they do not scale gracefully to meet the needs of large-scale Web applications, and improvements in disk capacity...
Provided by Stanford University
-
White Papers
Fast Crash Recovery in RAMCloud
Mar 2011
RAMCloud is a DRAM-based storage system that provides inexpensive durability and availability by recovering quickly after crashes, rather than storing replicas in DRAM. RAMCloud scatters backup...
Provided by Stanford University
-
White Papers
Impact of Process Variation on Endurance Algorithms for Wear-Prone Memories
Jan 2011
Non-volatile memories, such as Flash and Phase-Change Memory, are replacing other memory and storage technologies. Although these new technologies have desirable energy and scalability properties,...
Provided by European Design and Automation Association
-
White Papers
Should We Worry About Memory Loss?
Apr 2011
In recent years the High Performance Computing (HPC) industry has benefited from the development of higher density multi-core processors. With recent chips capable of executing up to 32 tasks in...
Provided by University of Warwick
-
White Papers
Fast Multiplication of Large Permutations for Disk, Flash Memory and RAM
Jul 2010
Permutation multiplication (or permutation composition) is perhaps the simplest of all algorithms in computer science. Yet for large permutations, the standard algorithm is not the fastest for...
Provided by Association for Computing Machinery
-
White Papers
A Model of Dynamic Separation for Transactional Memory
Jul 2009
Dynamic separation is a new programming discipline for systems with transactional memory. The authors study it formally in the setting of a small calculus with transactions. They provide a precise...
Provided by University of California
-
White Papers
Evaluating the Impact of Irrecoverable Read Errors on Disk Array Reliability
Aug 2009
The authors investigate the impact of irrecoverable read errors - also known as bad blocks - on the MTTDL of mirrored disks, RAID level 5 arrays and RAID level 6 arrays. The study is based on the...
Provided by University of California
-
White Papers
When MTTDLs Are Not Good Enough: Providing Better Estimates of Disk Array Reliability
Nov 2008
While Mean Time To Data Loss (MTTDL) provides an easy way to estimate the reliability of redundant disk arrays, it fails to take into account the relatively short lifetime of these arrays. The...
Provided by Santa Clara University
-
White Papers
The DiskSim Simulation Environment Version 4.0 Reference Manual
May 2008
DiskSim is an efficient, accurate and highly-configurable disk system simulator developed to support research into various aspects of storage subsystem architecture. It includes modules that...
Provided by Carnegie Mellon University
-
White Papers
FlashStore: High Throughput Persistent KeyValue Store
Aug 2010
The authors present FlashStore, a high throughput persistent keyvalue store that uses flash memory as a non-volatile cache between RAM and hard disk. FlashStore is designed to store the working...
Provided by VLDB Endowment
-
White Papers
A Spin-Up Saved Is Energy Earned: Achieving Power-Efficient, Erasure-Coded Storage
Sep 2009
Storage accounts for a significant amount of a data center's ever increasing power budget. As a consequence, energy consumption has joined performance and reliability as a dominant metric in...
Provided by Santa Clara University
-
White Papers
Protecting Against Rare Event Failures in Archival Systems
Sep 2009
Digital archives are growing rapidly, necessitating stronger reliability measures than RAID to avoid data loss from device failure. Mirroring, a popular solution, is too expensive over time. The...
Provided by Santa Clara University
-
White Papers
Tree Indexing on Solid State Drives
Oct 2009
Large flash disks, or Solid State Drives (SSDs), have become an attractive alternative to magnetic hard disks, due to their high random read performance, low energy consumption and other features....
Provided by VLDB Endowment
-
Case Studies
Accelerating ISCSI SAN Storage With Mellanox End-to-End Networking Solution
Apr 2011
Current data centers require frequent high speed access between server and storage infrastructures for timely response to customers. Web-based service providers, such as Infrastructure as a...
Provided by Mellanox Technologies
-
White Papers
Data Data Everywhere
Sep 2007
When files are deleted, it doesn't mean that data are gone. That this simple fact is not known to many users of computer systems and digital cameras has once again lead to alarming results in this...
Provided by O&O Software GmbH
-
Case Studies
Confidence in a Downturn: Growing Revenue Fast on an HP BladeSystem and HP LeftHand P4000 SAN
Oct 2009
Gradewell needs to maximize uptime and minimize costs to bring customers an advantage in Internet telephony. They approach to Deploy a VMware environment on HP ProLiant BL490c G6 Servers with HP...
Provided by Hewlett-Packard
-
White Papers
Compressed Random Access Memory
Nov 2010
Motivated by applications which need to store huge amounts of data in the main memory of a computer, this paper proposes a new dynamic data-structure for compressed random access memory. Ferragina...
Provided by Ochanomizu University
-
White Papers
On the Cost of Concurrency in Transactional Memory
Mar 2011
The crux of Software Transactional Memory (STM) is to combine an easy-to-use programming interface with an efficient utilization of the concurrent computing abilities provided by modern machines....
Provided by Cornell University
-
Whitepapers
Solid State Drive Performance
Mar 2008
To those in the computer industry, it's no surprise that each computer component - from the CPU to the RAM, the video GPU to the storage systems - needs to be faster to keep up with user demands...
Provided by Imation
-
White Papers
Recovery Boosting: A Technique to Enhance NBTI Recovery in SRAM Arrays
Apr 2010
Negative Bias Temperature Instability (NBTI) is an important lifetime reliability problem in microprocessors. SRAM-based structures within the processor are especially susceptible to NBTI since...
Provided by University of Virginia
-
White Papers
A Behind-the-Scenes Story on Applying Cross-Layer Coordination to Disks and RAIDs
Oct 2007
Coordinating storage components across abstraction layers has demonstrated significant performance gains. However, when applied near the physical storage, this approach relies on exposing and...
Provided by Florida State University
-
White Papers
A 5.42nW/kB Retention Power Logic-Compatible Embedded DRAM With 2T Dual-Vt Gain Cell for Low Power Sensing Applications
Jan 2011
A logic-compatible 2T dual-Vt embedded DRAM (eDRAM) is proposed for ultra-small sensing systems to achieve 8× longer retention time, 5× lower refresh power and 30% reduced area compared with the...
Provided by University of Michigan
-
White Papers
A Variation-Tolerant Sub-200 mV 6-T Subthreshold SRAM
Oct 2008
In this paper, the authors present a deep subthreshold 6-T SRAM, which was fabricated in an industrial 0.13 m CMOS technology. The authors first use detailed simulations to explore the challenges...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Beyond TCAMs: An SRAM-Based Parallel Multi-Pipeline Architecture for Terabit IP Lookup
Jan 2008
Continuous growth in network link rates poses a strong demand on high speed IP lookup engines. While Ternary Content Addressable Memory (TCAM) based solutions serve most of today's high-end...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Perceptually-Motivated Nonlinear Channel Decorrelation for Stereo Acoustic Echo Cancellation
Apr 2008
Acoustic echo cancellation with stereo signals is generally an underdetermined problem because of the high coherence between the left and right channels. In this paper, the authors present a novel...
Provided by CSIRO Australia
-
White Papers
3D Network-on-Chip With On-Chip DRAM: An Empirical Analysis for Future Chip Multiprocessor
Nov 2010
With the increasing number of on-chip components and the critical requirement for processing power, Chip MultiProcessor (CMP) has gained wide acceptance in both academia and industry during the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Micro-Pages: Increasing DRAM Efficiency With Locality-Aware Data Placement
Mar 2010
Power consumption and DRAM latencies are serious concerns in modern Chip-MultiProcessor (CMP or Multi-core) based compute systems. The management of the DRAM row buffer can significantly impact...
Provided by Association for Computing Machinery
-
White Papers
What is Agile ALM
Jan 2011
Application Lifecycle Management (ALM) is the management of the software application lifecycle from initial development to final release. ALM encompasses all of the practices, processes and tools...
Provided by CollabNet
-
White Papers
Monitoring Scrum Projects with AgileEVM & Earned Business Value (EBV) Metrics
Dec 2010
Scrum is a popular project management framework for agile projects. Scrum projects are typically managed quite informally, with the only metrics used being various velocity metrics and burndown...
Provided by CollabNet
-
White Papers
An Agile Approach to "Metrics" - Applied Macromeasurements to Ensure On-Time Delivery
Jan 2011
This article challenges the value of traditional metrics for managing product development schedules and presents a reality-based alternative which is compatible with Agile approaches such as Scrum...
Provided by CollabNet
-
White Papers
Agile in the Cloud: Keeping Development Teams Grounded
Dec 2010
"While there is a great deal of buzz surrounding cloud technologies, it's interesting to note that the term 'cloud computing' means different things to different people. West noted that the first...
Provided by CollabNet
-
White Papers
High Capacity Jukebox
Apr 2009
The jukebox consists of two 400 disc CD changers. The authors have designed and implemented a way for the CD changers to operate through a Graphical User Interface (GUI) run on a computer. The...
Provided by Ohio Northern University
-
White Papers
NFuSA - Neuro-Fuzzy Algorithm for Sparing in RAID Systems
Nov 2007
Sparing, the process of rebuilding data in case of disk failure, has been a target of research since early 1990's. The problem that these specific hardware/software control systems typically face...
Provided by Institute of Electrical and Electronics Engineers
-
Webcasts
Webcast: Best Practices for Eliminating Administrator Rights
Jan 2011
LIVE WEBCAST DATE: Thursday, February 3, 2011 TIME: 2:00PM ET | 11:00AM PT | 18:00 GMT You already know that handing out Administrator rights simply isn't a good idea. There's got to be a...
Provided by Viewfinity
-
Webcasts
Webinar: Best Practices for Eliminating Administrator Rights
Jan 2011
LIVE WEBCAST DATE: Thursday, February 3, 2011 TIME: 2:00PM ET | 11:00AM PT | 18:00 GMT You already know that handing out Administrator rights simply isn't a good idea. There's got to be a...
Provided by Viewfinity
-
White Papers
Flip-N-Write: A Simple Deterministic Technique to Improve PRAM Write Performance, Energy and Endurance
Dec 2009
The Phase-Change Random Access Memory (PRAM) technology is fast maturing to production levels. Main advantages of PRAM are non-volatility, byte addressability, in-place programmability, low-power...
Provided by Association for Computing Machinery
-
White Papers
Rethinking DRAM Design and Organization for Energy-Constrained Multi-Cores
Jun 2010
DRAM vendors have traditionally optimized the cost-per-bit metric, often making design decisions that incur energy penalties. A prime example is the overfetch feature in DRAM, where a single...
Provided by Association for Computing Machinery
-
White Papers
High Capacity Jukebox
Apr 2009
The jukebox consists of two 400 disc CD changers. The authors have designed and implemented a way for the CD changers to operate through a Graphical User Interface (GUI) run on a computer. The...
Provided by Ohio Northern University
-
White Papers
Agile in the Cloud: Keeping Development Teams Grounded
Dec 2010
"While there is a great deal of buzz surrounding cloud technologies, it's interesting to note that the term 'cloud computing' means different things to different people. West noted that the first...
Provided by CollabNet
-
White Papers
An Agile Approach to "Metrics" - Applied Macromeasurements to Ensure On-Time Delivery
Jan 2011
This article challenges the value of traditional metrics for managing product development schedules and presents a reality-based alternative which is compatible with Agile approaches such as Scrum...
Provided by CollabNet
-
White Papers
Monitoring Scrum Projects with AgileEVM & Earned Business Value (EBV) Metrics
Dec 2010
Scrum is a popular project management framework for agile projects. Scrum projects are typically managed quite informally, with the only metrics used being various velocity metrics and burndown...
Provided by CollabNet
-
White Papers
Micro-Pages: Increasing DRAM Efficiency With Locality-Aware Data Placement
Mar 2010
Power consumption and DRAM latencies are serious concerns in modern Chip-MultiProcessor (CMP or Multi-core) based compute systems. The management of the DRAM row buffer can significantly impact...
Provided by Association for Computing Machinery
-
White Papers
3D Network-on-Chip With On-Chip DRAM: An Empirical Analysis for Future Chip Multiprocessor
Nov 2010
With the increasing number of on-chip components and the critical requirement for processing power, Chip MultiProcessor (CMP) has gained wide acceptance in both academia and industry during the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Perceptually-Motivated Nonlinear Channel Decorrelation for Stereo Acoustic Echo Cancellation
Apr 2008
Acoustic echo cancellation with stereo signals is generally an underdetermined problem because of the high coherence between the left and right channels. In this paper, the authors present a novel...
Provided by CSIRO Australia
-
White Papers
Beyond TCAMs: An SRAM-Based Parallel Multi-Pipeline Architecture for Terabit IP Lookup
Jan 2008
Continuous growth in network link rates poses a strong demand on high speed IP lookup engines. While Ternary Content Addressable Memory (TCAM) based solutions serve most of today's high-end...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A Variation-Tolerant Sub-200 mV 6-T Subthreshold SRAM
Oct 2008
In this paper, the authors present a deep subthreshold 6-T SRAM, which was fabricated in an industrial 0.13 m CMOS technology. The authors first use detailed simulations to explore the challenges...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A 5.42nW/kB Retention Power Logic-Compatible Embedded DRAM With 2T Dual-Vt Gain Cell for Low Power Sensing Applications
Jan 2011
A logic-compatible 2T dual-Vt embedded DRAM (eDRAM) is proposed for ultra-small sensing systems to achieve 8× longer retention time, 5× lower refresh power and 30% reduced area compared with the...
Provided by University of Michigan
-
White Papers
A Behind-the-Scenes Story on Applying Cross-Layer Coordination to Disks and RAIDs
Oct 2007
Coordinating storage components across abstraction layers has demonstrated significant performance gains. However, when applied near the physical storage, this approach relies on exposing and...
Provided by Florida State University
-
White Papers
Recovery Boosting: A Technique to Enhance NBTI Recovery in SRAM Arrays
Apr 2010
Negative Bias Temperature Instability (NBTI) is an important lifetime reliability problem in microprocessors. SRAM-based structures within the processor are especially susceptible to NBTI since...
Provided by University of Virginia
-
Whitepapers
Solid State Drive Performance
Mar 2008
To those in the computer industry, it's no surprise that each computer component - from the CPU to the RAM, the video GPU to the storage systems - needs to be faster to keep up with user demands...
Provided by Imation
-
White Papers
On the Cost of Concurrency in Transactional Memory
Mar 2011
The crux of Software Transactional Memory (STM) is to combine an easy-to-use programming interface with an efficient utilization of the concurrent computing abilities provided by modern machines....
Provided by Cornell University
-
White Papers
Compressed Random Access Memory
Nov 2010
Motivated by applications which need to store huge amounts of data in the main memory of a computer, this paper proposes a new dynamic data-structure for compressed random access memory. Ferragina...
Provided by Ochanomizu University
-
Case Studies
Confidence in a Downturn: Growing Revenue Fast on an HP BladeSystem and HP LeftHand P4000 SAN
Oct 2009
Gradewell needs to maximize uptime and minimize costs to bring customers an advantage in Internet telephony. They approach to Deploy a VMware environment on HP ProLiant BL490c G6 Servers with HP...
Provided by Hewlett-Packard
-
White Papers
Data Data Everywhere
Sep 2007
When files are deleted, it doesn't mean that data are gone. That this simple fact is not known to many users of computer systems and digital cameras has once again lead to alarming results in this...
Provided by O&O Software GmbH
-
Case Studies
Accelerating ISCSI SAN Storage With Mellanox End-to-End Networking Solution
Apr 2011
Current data centers require frequent high speed access between server and storage infrastructures for timely response to customers. Web-based service providers, such as Infrastructure as a...
Provided by Mellanox Technologies
-
White Papers
Tree Indexing on Solid State Drives
Oct 2009
Large flash disks, or Solid State Drives (SSDs), have become an attractive alternative to magnetic hard disks, due to their high random read performance, low energy consumption and other features....
Provided by VLDB Endowment
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White Papers
Protecting Against Rare Event Failures in Archival Systems
Sep 2009
Digital archives are growing rapidly, necessitating stronger reliability measures than RAID to avoid data loss from device failure. Mirroring, a popular solution, is too expensive over time. The...
Provided by Santa Clara University
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White Papers
A Spin-Up Saved Is Energy Earned: Achieving Power-Efficient, Erasure-Coded Storage
Sep 2009
Storage accounts for a significant amount of a data center's ever increasing power budget. As a consequence, energy consumption has joined performance and reliability as a dominant metric in...
Provided by Santa Clara University
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White Papers
FlashStore: High Throughput Persistent KeyValue Store
Aug 2010
The authors present FlashStore, a high throughput persistent keyvalue store that uses flash memory as a non-volatile cache between RAM and hard disk. FlashStore is designed to store the working...
Provided by VLDB Endowment
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White Papers
The DiskSim Simulation Environment Version 4.0 Reference Manual
May 2008
DiskSim is an efficient, accurate and highly-configurable disk system simulator developed to support research into various aspects of storage subsystem architecture. It includes modules that...
Provided by Carnegie Mellon University
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White Papers
When MTTDLs Are Not Good Enough: Providing Better Estimates of Disk Array Reliability
Nov 2008
While Mean Time To Data Loss (MTTDL) provides an easy way to estimate the reliability of redundant disk arrays, it fails to take into account the relatively short lifetime of these arrays. The...
Provided by Santa Clara University
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White Papers
Evaluating the Impact of Irrecoverable Read Errors on Disk Array Reliability
Aug 2009
The authors investigate the impact of irrecoverable read errors - also known as bad blocks - on the MTTDL of mirrored disks, RAID level 5 arrays and RAID level 6 arrays. The study is based on the...
Provided by University of California
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White Papers
A Model of Dynamic Separation for Transactional Memory
Jul 2009
Dynamic separation is a new programming discipline for systems with transactional memory. The authors study it formally in the setting of a small calculus with transactions. They provide a precise...
Provided by University of California
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White Papers
Fast Multiplication of Large Permutations for Disk, Flash Memory and RAM
Jul 2010
Permutation multiplication (or permutation composition) is perhaps the simplest of all algorithms in computer science. Yet for large permutations, the standard algorithm is not the fastest for...
Provided by Association for Computing Machinery
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White Papers
Should We Worry About Memory Loss?
Apr 2011
In recent years the High Performance Computing (HPC) industry has benefited from the development of higher density multi-core processors. With recent chips capable of executing up to 32 tasks in...
Provided by University of Warwick
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White Papers
Impact of Process Variation on Endurance Algorithms for Wear-Prone Memories
Jan 2011
Non-volatile memories, such as Flash and Phase-Change Memory, are replacing other memory and storage technologies. Although these new technologies have desirable energy and scalability properties,...
Provided by European Design and Automation Association
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White Papers
Fast Crash Recovery in RAMCloud
Mar 2011
RAMCloud is a DRAM-based storage system that provides inexpensive durability and availability by recovering quickly after crashes, rather than storing replicas in DRAM. RAMCloud scatters backup...
Provided by Stanford University
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White Papers
The Case for RAMClouds: Scalable High-Performance Storage Entirely in DRAM
Dec 2009
Disk-oriented approaches to online storage are becoming increasingly problematic: they do not scale gracefully to meet the needs of large-scale Web applications, and improvements in disk capacity...
Provided by Stanford University
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White Papers
Bandwidth, Area Efficient and Target Device Independent DDR SDRAM Controller
Jun 2009
The application of the Synchronous Dynamic Random Access Memory (SDRAM) has gone beyond the scope of personal computers for quite a long time. It comes into hand whenever a big amount of low price...
Provided by Gwangju Institute of Science and Technology
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White Papers
MemScale: Active Low-Power Modes for Main Memory
Mar 2011
Main memory is responsible for a large and increasing fraction of the energy consumed by servers. Prior work has focused on exploiting DRAM low-power states to conserve energy. However, these...
Provided by Association for Computing Machinery
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White Papers
Reliable Adaptable Network RAM
Jul 2008
The authors present reliability solutions for adaptable Network RAM systems running on general-purpose clusters. Network RAM allows nodes with over-committed memory to swap pages over the network,...
Provided by Swarthmore College
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White Papers
Understanding Latent Sector Errors and How to Protect Against Them
Jan 2010
Latent Sector Errors (LSEs) refer to the situation where particular sectors on a drive become inaccessible. LSEs are a critical factor in data reliability, since a single LSE can lead to data loss...
Provided by University of Toronto
