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| Content Provider | ACM Digital Library |
|---|---|
| Author | Koushanfar, Farinaz Rouhani, Bita Darvish Mirhoseini, Azalia Songhori, Ebrahim M. |
| Copyright Year | 2016 |
| Description | Author Affiliation: UC San Diego, La Jolla, CA(Songhori, Ebrahim M.; Rice university, Houston, TX (Mirhoseini, Azalia; Koushanfar, Farinaz); Rouhani, Bita Darvish) |
| Abstract | We propose SSketch, a novel automated framework for efficient analysis of dynamic big data with dense (non-sparse) correlation matrices on reconfigurable platforms. SSketch targets $\textit{streaming}$ applications where each data sample can be processed only once and storage is severely limited. Our framework adaptively learns from the stream of input data and updates a corresponding ensemble of lower-dimensional data structures, a.k.a., a sketch matrix. A new sketching methodology is introduced that tailors the problem of transforming the big data with dense correlations to an ensemble of lower-dimensional subspaces such that it is suitable for hardware-based acceleration performed by reconfigurable hardware. The new method is scalable, while it significantly reduces costly memory interactions and enhances matrix computation performance by leveraging coarse-grained parallelism existing in the dataset. SSketch provides an automated optimization methodology for creating the most accurate data sketch for a given set of user-defined constraints, including runtime and power as well as platform constraints such as memory. To facilitate automation, SSketch takes advantage of a Hardware/Software (HW/SW) co-design approach: It provides an Application Programming Interface that can be customized for rapid prototyping of an arbitrary matrix-based data analysis algorithm. Proof-of-concept evaluations on a variety of visual datasets with more than 11 million non-zeros demonstrate up to a 200-fold speedup on our hardware-accelerated realization of SSketch compared to a software-based deployment on a general-purpose processor. |
| Starting Page | 1 |
| Ending Page | 22 |
| Page Count | 22 |
| File Format | |
| ISSN | 19367406 |
| e-ISSN | 19367414 |
| DOI | 10.1145/2974023 |
| Volume Number | 10 |
| Issue Number | 1 |
| Journal | ACM Transactions on Reconfigurable Technology and Systems (TRETS) |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2016-12-19 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | FPGA HW/SW co-design Streaming model Big data Dense matrix Lower dimensional embedding Matrix sketching Matrix-based analysis |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computer Science |
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