Modeling and simulating flash based solid-state disks for operating systems
Proceedings of the first joint WOSP/SIPEW international conference on Performance engineering
Proceedings of the 19th ACM/SIGDA international symposium on Field programmable gate arrays
Study of the performance impact of a cache buffer in solid-state disks
Microprocessors & Microsystems
FlashTier: a lightweight, consistent and durable storage cache
Proceedings of the 7th ACM european conference on Computer Systems
A hybrid SSD with PRAM and NAND Flash memory
Microprocessors & Microsystems
A flexible OS-based approach for characterizing solid-state disk endurance
Proceedings of the 9th conference on Computing Frontiers
AAGC: an efficient associativity-aware garbage collection scheme for hybrid FTLs
Proceedings of the 27th Annual ACM Symposium on Applied Computing
Physically addressed queueing (PAQ): improving parallelism in solid state disks
Proceedings of the 39th Annual International Symposium on Computer Architecture
A multi-controller design for solid-state drives
Proceedings of the 2012 ACM Research in Applied Computation Symposium
A multi-controller architecture for high-performance solid-state drives
ACM SIGAPP Applied Computing Review
Microprocessors & Microsystems
FTL2: a hybrid flash translation layer with logging for write reduction in flash memory
Proceedings of the 14th ACM SIGPLAN/SIGBED conference on Languages, compilers and tools for embedded systems
Investigating hybrid SSD FTL schemes for Hadoop workloads
Proceedings of the ACM International Conference on Computing Frontiers
HEC: improving endurance of high performance flash-based cache devices
Proceedings of the 6th International Systems and Storage Conference
Extending SSD lifetime in database applications with page overwrites
Proceedings of the 6th International Systems and Storage Conference
SAW: system-assisted wear leveling on the write endurance of NAND flash devices
Proceedings of the 50th Annual Design Automation Conference
Mapping granularity and performance tradeoffs for solid state drive
The Journal of Supercomputing
NoFTL: database systems on FTL-less flash storage
Proceedings of the VLDB Endowment
EagleTree: exploring the design space of SSD-based algorithms
Proceedings of the VLDB Endowment
Triple-A: a Non-SSD based autonomic all-flash array for high performance storage systems
Proceedings of the 19th international conference on Architectural support for programming languages and operating systems
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NAND Flash memory-based Solid-State Disks (SSDs) are becoming popular as the storage media in domains ranging from mobile laptops to enterprise-scale storage systems due to a number of benefits (e.g., lighter weights, faster access times, lower power consumption, higher resistance to vibrations) they offer over the conventionally popular Hard Disk Drives (HDDs). While a number of well-regarded simulation environments exist for HDDs, the same is not yet true for SSDs. This is due to SSDs having been in the storage market for relatively less time as well as the lack of information (hardware configuration and software methods) about state-of-the-art SSDs that is publicly available. We describe the design and implementation of FlashSim, a simulator aimed at filling this void in performance evaluation of emerging storage systems that employ SSDs. FlashSim is an event-driven simulator that follows the objected oriented programming paradigm for modularity. We have validated the performance of FlashSim against a number of commercial SSDs for behavioral similarity. We have also used FlashSim to compare the performance of SSD devices employing different Flash Translation Layer (FTL) schemes, and analyzed the energy consumption of different FTL schemes in the SSD. FlashSim has been written to be inter-operable with the well-regarded DiskSim simulator, thus enabling the simulation of a variety of “hybrid” storage systems employing combinations of SSDs and HDDs. Given the current interest in such hybrid systems as opposed to systems with SSDs replacing HDDs (due to higher price), we believe this to be an especially useful feature of FlashSim. We have made FlashSim freely available for download with the hope that it would be of use to researchers exploring the design of SSD-based systems.