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Renate Gorre D-78465
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Series in
Microelectronics
edited by
Qiuting
Huang
Andreas Schenk
Mathieu
Maurice Luisier
Bernd
Witzigmann
Pirmin Robert Vogel
Shared Virtual Memory for
Heterogeneous Embedded
Systems on Chips
2018. XVI, 198 pages. € 64,00
ISBN 978-3-86628-623-8
Abstract:
The most difficult obstacles for exploiting the full
potential of modern heterogeneous embedded systems on chip (HESoCs)
are posed by the partitioned memory models between host processor and
accelerators. Sharing data requires the programmer to manually orchestrate data
copies between virtually and physically addressed main memory sections,
including the translation of virtual address pointers. This limits performance
and is completely prohibitive for the heterogeneous implementation of
applications operating on complex, pointer-rich data structures.
This thesis investigates the design of transparent,
zero-copy shared virtual memory (SVM) frameworks for HESoCs
that al- low to simply pass pointers between host and accelerators, and thereby
improve both programmability and performance. Compared to full-fledged hardware
solutions for SVM found in highperformance computing
systems, the proposed mixed hardware-software designs are i)
better suited for area- and power-constrained embedded systems, ii) less
intrusive to the hardware architecture of both host and accelerators, and iii)
allow for greater flexibility, while offering competitive or even superior
performance.
About the Author:
Pirmin Vogel was born in Switzerland in 1986.
He received his BSc and MSc degrees from ETH Zurich, Switzerland, in 2009 and
2013. In 2013, he joined the group of Prof. Dr. Luca Benini
at the Integrated Systems Laboratory at ETH Zurich. His research interests
include heterogeneous computing architectures with a focus on operating system,
driver, runtime and programming model support for efficient and transparent
accelerator programming.
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