Impact of Coprocessor on a Multithreaded Processor Design Using Prioritized Threads

Carsten Albrecht; Andreas C. Döring; Frank Penczek; Torben Schneider; Hannes Schulz

doi:10.1109/PDP.2006.42

Impact of Coprocessor on a Multithreaded Processor Design Using Prioritized Threads

Carsten Albrecht, Andreas C. Döring, Frank Penczek, Torben Schneider, Hannes Schulz

Institute of Computer Engineering

Abstract

Recently, multithreading became a standard technique to improve the processor utilization and system performance. Hardware support is provided for coarse-grained as well as simultaneous multithreading. In particular, embedded devices combine processor cores and varying sets of coprocessors to fulfil the requirements of their dedicated application field. In this paper, a simultaneous multithreaded processor is investigated that applies dynamic priorities for each thread on the instruction level. By means of a synchronization coprocessor, priorities of threads are dynamically adapted when other threads have to wait for a given thread. Based on simulations of a network-processing workload, two strategies of dynamic priority adaptation are evaluated and compared with static prioritization. As a result, performance gain can be shown.

Original language	English
Title of host publication	14th Euromicro International Conference on Parallel, Distributed, and Network-Based Processing (PDP'06)
Number of pages	7
Publisher	IEEE
Publication date	26.10.2006
Pages	109-115
Article number	1613260
ISBN (Print)	0-7695-2513-X
DOIs	https://doi.org/10.1109/PDP.2006.42
Publication status	Published - 26.10.2006
Event	14th Euromicro International Conference on Parallel, Distributed, and Network-Based Processing - Montbeliard-Sochaux , France Duration: 15.02.2006 → 17.02.2006 Conference number: 68364

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10.1109/PDP.2006.42

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Albrecht, C., Döring, A. C., Penczek, F., Schneider, T., & Schulz, H. (2006). Impact of Coprocessor on a Multithreaded Processor Design Using Prioritized Threads. In 14th Euromicro International Conference on Parallel, Distributed, and Network-Based Processing (PDP'06) (pp. 109-115). Article 1613260 (Euromicro International Conference on Parallel, Distributed, and Network-Based Processing). IEEE. https://doi.org/10.1109/PDP.2006.42

Albrecht, Carsten ; Döring, Andreas C. ; Penczek, Frank et al. / Impact of Coprocessor on a Multithreaded Processor Design Using Prioritized Threads. 14th Euromicro International Conference on Parallel, Distributed, and Network-Based Processing (PDP'06). IEEE, 2006. pp. 109-115 (Euromicro International Conference on Parallel, Distributed, and Network-Based Processing).

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title = "Impact of Coprocessor on a Multithreaded Processor Design Using Prioritized Threads",

abstract = "Recently, multithreading became a standard technique to improve the processor utilization and system performance. Hardware support is provided for coarse-grained as well as simultaneous multithreading. In particular, embedded devices combine processor cores and varying sets of coprocessors to fulfil the requirements of their dedicated application field. In this paper, a simultaneous multithreaded processor is investigated that applies dynamic priorities for each thread on the instruction level. By means of a synchronization coprocessor, priorities of threads are dynamically adapted when other threads have to wait for a given thread. Based on simulations of a network-processing workload, two strategies of dynamic priority adaptation are evaluated and compared with static prioritization. As a result, performance gain can be shown.",

author = "Carsten Albrecht and D{\"o}ring, \{Andreas C.\} and Frank Penczek and Torben Schneider and Hannes Schulz",

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Albrecht, C, Döring, AC, Penczek, F, Schneider, T & Schulz, H 2006, Impact of Coprocessor on a Multithreaded Processor Design Using Prioritized Threads. in 14th Euromicro International Conference on Parallel, Distributed, and Network-Based Processing (PDP'06)., 1613260, Euromicro International Conference on Parallel, Distributed, and Network-Based Processing, IEEE, pp. 109-115, 14th Euromicro International Conference on Parallel, Distributed, and Network-Based Processing, Montbeliard-Sochaux , France, 15.02.06. https://doi.org/10.1109/PDP.2006.42

Impact of Coprocessor on a Multithreaded Processor Design Using Prioritized Threads. / Albrecht, Carsten; Döring, Andreas C.; Penczek, Frank et al.
14th Euromicro International Conference on Parallel, Distributed, and Network-Based Processing (PDP'06). IEEE, 2006. p. 109-115 1613260 (Euromicro International Conference on Parallel, Distributed, and Network-Based Processing).

Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

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T1 - Impact of Coprocessor on a Multithreaded Processor Design Using Prioritized Threads

AU - Albrecht, Carsten

AU - Döring, Andreas C.

AU - Penczek, Frank

AU - Schneider, Torben

AU - Schulz, Hannes

N1 - Conference code: 68364

PY - 2006/10/26

Y1 - 2006/10/26

N2 - Recently, multithreading became a standard technique to improve the processor utilization and system performance. Hardware support is provided for coarse-grained as well as simultaneous multithreading. In particular, embedded devices combine processor cores and varying sets of coprocessors to fulfil the requirements of their dedicated application field. In this paper, a simultaneous multithreaded processor is investigated that applies dynamic priorities for each thread on the instruction level. By means of a synchronization coprocessor, priorities of threads are dynamically adapted when other threads have to wait for a given thread. Based on simulations of a network-processing workload, two strategies of dynamic priority adaptation are evaluated and compared with static prioritization. As a result, performance gain can be shown.

AB - Recently, multithreading became a standard technique to improve the processor utilization and system performance. Hardware support is provided for coarse-grained as well as simultaneous multithreading. In particular, embedded devices combine processor cores and varying sets of coprocessors to fulfil the requirements of their dedicated application field. In this paper, a simultaneous multithreaded processor is investigated that applies dynamic priorities for each thread on the instruction level. By means of a synchronization coprocessor, priorities of threads are dynamically adapted when other threads have to wait for a given thread. Based on simulations of a network-processing workload, two strategies of dynamic priority adaptation are evaluated and compared with static prioritization. As a result, performance gain can be shown.

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M3 - Conference contribution

SN - 0-7695-2513-X

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BT - 14th Euromicro International Conference on Parallel, Distributed, and Network-Based Processing (PDP'06)

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ER -

Albrecht C, Döring AC, Penczek F, Schneider T, Schulz H. Impact of Coprocessor on a Multithreaded Processor Design Using Prioritized Threads. In 14th Euromicro International Conference on Parallel, Distributed, and Network-Based Processing (PDP'06). IEEE. 2006. p. 109-115. 1613260. (Euromicro International Conference on Parallel, Distributed, and Network-Based Processing). doi: 10.1109/PDP.2006.42

Impact of Coprocessor on a Multithreaded Processor Design Using Prioritized Threads

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