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An analytical model for software-only main memory compression

Irina Chihaia, Thomas Gross
2004 Proceedings of the 3rd workshop on Memory performance issues in conjunction with the 31st international symposium on computer architecture - WMPI '04  
Understanding what applications under what conditions can benefit from main memory compression is complicated due to various tradeoffs and the dynamic characteristics of applications.  ...  One such technique is memory compression.  ...  The basic idea of a compressed-memory system is to set aside a part of main memory to hold compressed pages.  ... 
doi:10.1145/1054943.1054958 dblp:conf/wmpi/ChihaiaG04 fatcat:cxk43mnyvncl3ngzt2efxif2ba

Adaptive Cache Compression for High-Performance Processors

Alaa R. Alameldeen, David A. Wood
2004 SIGARCH Computer Architecture News  
We evaluate adaptive cache compression using full-system simulation and a range of benchmarks. We show that compression can improve performance for memory-intensive commercial workloads by up to 17%.  ...  In this paper, we develop an adaptive policy that dynamically adapts to the costs and benefits of cache compression.  ...  Hardware Memory Compression Designs. IBM's MXT technology [40] employs real-time main-memory compression that can effectively double the main memory capacity.  ... 
doi:10.1145/1028176.1006719 fatcat:3knsj7euufbtrmpnzbl5b3q2qq

Data Compression for Climate Data

2016 Supercomputing Frontiers and Innovations  
To this end, we analyze the applicability of compression on all layers of the I/O stack, that is, main memory, network and storage.  ...  Additionally, we present ongoing work for supporting enhanced adaptive compression in the parallel distributed file system Lustre and application-specific compression. 3 It has to be noted that the computational  ...  Supercomputing Frontiers and Innovations We thank Intel Corporation for funding our Intel Parallel Computing Center to integrate enhanced adaptive compression into Lustre.  ... 
doi:10.14529/jsfi160105 fatcat:tvlgjmcvsjettoed34axwzd2ae

Improving disk bandwidth-bound applications through main memory compression

Vicenç Beltran, Jordi Torres, Eduard Ayguadé
2007 Proceedings of the 2007 workshop on MEmory performance DEaling with Applications, systems and architecture - MEDEA '07  
The objective of main memory compression techniques is to reduce the in-memory data size to virtually enlarge the available memory on the system.  ...  In this scenario, the number of applications that can transparently benefit from main memory compression can be expanded.  ...  To the best of our knowledge, the only main memory compression hardware approach implemented is the IBM MTX technology [3] .  ... 
doi:10.1145/1327171.1327178 fatcat:lpa6zvtvivg7blu3pazmpfzvwm

High-performance operating system controlled memory compression

Lei Yang, H. Lekatsas, R.P. Dick
2006 Proceedings - Design Automation Conference  
This article describes a new software-based on-line memory compression algorithm for embedded systems and presents a method of adaptively managing the uncompressed and compressed memory regions during  ...  The adaptive memory management scheme effectively responds to the predicted needs of applications and prevents on-line memory compression deadlock, permitting reliable and efficient compression for a wide  ...  Unlike hardware-based main memory compression techniques, neither compressed caching nor swap compression is able to compress code in memory.  ... 
doi:10.1109/dac.2006.229311 fatcat:stgnpmzuprhodlnd7aze3hmaw4

High-performance operating system controlled memory compression

Lei Yang, Haris Lekatsas, Robert P. Dick
2006 Proceedings of the 43rd annual conference on Design automation - DAC '06  
This article describes a new software-based on-line memory compression algorithm for embedded systems and presents a method of adaptively managing the uncompressed and compressed memory regions during  ...  The adaptive memory management scheme effectively responds to the predicted needs of applications and prevents on-line memory compression deadlock, permitting reliable and efficient compression for a wide  ...  Unlike hardware-based main memory compression techniques, neither compressed caching nor swap compression is able to compress code in memory.  ... 
doi:10.1145/1146909.1147086 dblp:conf/dac/YangLD06 fatcat:i75swpbar5cbpdiaoceeb7j76m

High-performance operating system controlled online memory compression

Lei Yang, Robert P. Dick, Haris Lekatsas, Srimat Chakradhar
2010 ACM Transactions on Embedded Computing Systems  
We present a method of adaptively managing the uncompressed and compressed memory regions during application execution.  ...  This memory management scheme adapts to the predicted memory requirements of applications. It permits efficient compression for a wide range of applications.  ...  Unlike hardware-based main memory compression techniques, both compressed caching and swap compression are unable to compress code in memory.  ... 
doi:10.1145/1721695.1721696 fatcat:zkqtdrd7pfh2xhvmiq5gsyycie

A low complexity and lossless frame memory compression for display devices

Teresa Bao Yng, Byung-gook Lee, Hoon Yoo
2008 IEEE transactions on consumer electronics  
The main goal of the proposed method is to reduce memory requirement for display devices. A basic unit of the proposed method is a line of the image so that the method is processed line by line.  ...  Simulation results show that the algorithm achieves a superior compression performance to the existing methods.  ...  The main purpose of the proposed compression algorithm is to get the lowest complexity and lossless compression algorithm for LCD devices.  ... 
doi:10.1109/tce.2008.4637640 fatcat:mbx25irtsvevvcxtfrq6uonji4

Methodology for Developing Algorithms for Compressing Hyperspectral Aerospace Images used on Board Spacecraft

Assiya Sarinova, Alexander Zamyatin, G.M. Tsybulski Gennady, M.V. Noskov, Yu.A. Maglinets
2020 E3S Web of Conferences  
The paper considers a method for developing compression algorithms, which is used to develop an adaptive algorithm for compressing hyperspectral AI using programmable devices.  ...  Studies have shown that the proposed algorithms have sufficient efficiency for use and can be applied on Board spacecraft when transmitting hyperspectral remote sensing data in conditions of limited buffer memory  ...  Fig. 1 . 1 Adapted compression algorithm for hyperspectral AI: a) calculation time; b) execution efficiency Table 1 . 1 Main characteristics of the core of STM32 microcontrollers Characteristic Value  ... 
doi:10.1051/e3sconf/202022302007 fatcat:zxn3ynv7o5gpdlevg7yijsvgae

Improving Web Server Performance Through Main Memory Compression

Vicenç Beltran, Jordi Torres, Eduard Ayguadé
2008 2008 14th IEEE International Conference on Parallel and Distributed Systems  
To solve this situation we propose the use of main memory compression techniques to increment the available memory and mitigate the disk bandwidth problem, allowing the web server to improve its use of  ...  In this paper we implement to the Linux OS a full SMP capable main memory compression subsystem to increase the performance of a web server running the SPECweb2005 benchmark.  ...  Acknowledgments This work has been supported by the Spanish Ministry of Education and Science (projects TIN2007-60625), by the IBM SoW on Adaptive Systems, as part of the BSC-IBM collaboration agreement  ... 
doi:10.1109/icpads.2008.15 dblp:conf/icpads/BeltranTA08 fatcat:64snwbyedndljiqwrw22qpkud4

Image compression algorithms in wireless multimedia sensor networks: A survey

Hanaa ZainEldin, Mostafa A. Elhosseini, Hesham A. Ali
2015 Ain Shams Engineering Journal  
The main objective of this survey was to study and analyze relevant research directions and the most recent algorithms of image compression over WMSN.  ...  Reducing consumed power thus granting long life time is considered the main performance metric and will be the main target in the investigated solution.  ...  Those two proposed techniques create an adaptive compression technique called adaptive wavelet image compression and organization algorithm (AWICAO).  ... 
doi:10.1016/j.asej.2014.11.001 fatcat:wsp2fpyosbhjxpzowrhsiz6jsm

Exploiting Data Compression for Adaptive Block Placement in Hybrid Caches

Beomjun Kim, Yongtae Kim, Prashant Nair, Seokin Hong
2022 Electronics  
Metadata embedded in the cache block are then extracted and used to determine the block's write intensity when it is fetched from main memory.  ...  This paper proposes an adaptive block placement framework for hybrid caches that incorporates metadata embedding (ADAM).  ...  LLC Miss Read a requested block Select a victim from main memory block No Compressible? Metadata is embedded? No Write miss?  ... 
doi:10.3390/electronics11020240 fatcat:e6niqpn6unhrhkz2uivaff7h2i

Reducing the Footprint of Main Memory HTAP Systems: Removing, Compressing, Tiering, and Ignoring Data

Martin Boissier
2018 Very Large Data Bases Conference  
Gracefully reducing the main memory footprint (e.g., via compression and data tiering) is an unsolved challenge for HTAP database systems, where most traditional reduction methods are no longer applicable  ...  Since advantages of a reduced footprint are manyfold, the issue is of high importance for main memory-resident databases.  ...  Besides cost considerations, growing data volumes limit the applicability of main memory-resident database systems.  ... 
dblp:conf/vldb/Boissier18 fatcat:ebzea5pvjrg4zlgwk5eykdajki

MorphStore - From an Idea to a Novel In-Memory Column Store Database System

Dirk Habich
2019 Workshop Grundlagen von Datenbanken  
In-memory database systems pursue a main memory-centric architecture approach and assume that all relevant data (base data as well as intermediates) can be fully kept in the main memory of a computer or  ...  Moreover, a direct processing of the compressed data is possible in many cases. However, existing systems only provide a very limited set of compression algorithms for base data.  ...  results, (iii) a cost-based decision for the best-suited compression algorithm, and (iv) morphing intermediates from one to another compression scheme to dynamically adapt the physical representation  ... 
dblp:conf/gvd/Habich19 fatcat:ncrt7d7v2japfbbriromqgeff4

A Dual Frequency Predistortion Adaptive Sparse Signal Reconstruction Algorithm

2022 Tehnički Vjesnik  
Firstly, a memory effect compensator based on piecewise polynomial model is adopted. The signal fusion is interpreted as the problem of Compressed Sensing sampling reconstruction.  ...  In the predistortion feedback loop, the missing fifth-order and high-order cross-modulation signals are reconstructed accurately by using the adaptive sparse algorithm.  ...  Firstly, a memory effect compensator based on piecewise linear function dual-frequency power amplifier predistortion model is established, and then the compressed sensing adaptive sparse reconstruction  ... 
doi:10.17559/tv-20210728035851 fatcat:rqwq4ucvrfgwllxk5xkpxdqmg4
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