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Statements

Subject Item
n2:RIV%2F67985556%3A_____%2F11%3A00363714%21RIV12-AV0-67985556
rdf:type
skos:Concept n13:Vysledek
dcterms:description
We present a new low-level interfacing scheme for connecting custom accelerators to processors that tolerates latencies that usually occur when accessing hardware accelerators from software. The scheme is based on the Self-adaptive Virtual Processor (SVP) architecture and on the micro-threading concept. Our presentation is based on a sample implementation of the SVP architecture in an extended version of the LEON3 processor called UTLEON3. The SVP concurrency paradigm makes data dependencies explicit in the dynamic tree of threads. This enables a system to execute threads concurrently in different processor cores. Previous SVP work presumed the cores are homogeneous, for example an array of microthreaded processors sharing a dynamic pool of microthreads. In this work we propose a heterogeneous system of general-purpose processor cores and custom hardware accelerators. The accelerators dynamically pick families of threads from the pool and execute them concurrently. We present a new low-level interfacing scheme for connecting custom accelerators to processors that tolerates latencies that usually occur when accessing hardware accelerators from software. The scheme is based on the Self-adaptive Virtual Processor (SVP) architecture and on the micro-threading concept. Our presentation is based on a sample implementation of the SVP architecture in an extended version of the LEON3 processor called UTLEON3. The SVP concurrency paradigm makes data dependencies explicit in the dynamic tree of threads. This enables a system to execute threads concurrently in different processor cores. Previous SVP work presumed the cores are homogeneous, for example an array of microthreaded processors sharing a dynamic pool of microthreads. In this work we propose a heterogeneous system of general-purpose processor cores and custom hardware accelerators. The accelerators dynamically pick families of threads from the pool and execute them concurrently.
dcterms:title
Microthreading as a Novel Method for Close Coupling of Custom Hardware Accelerators to SVP Processors Microthreading as a Novel Method for Close Coupling of Custom Hardware Accelerators to SVP Processors
skos:prefLabel
Microthreading as a Novel Method for Close Coupling of Custom Hardware Accelerators to SVP Processors Microthreading as a Novel Method for Close Coupling of Custom Hardware Accelerators to SVP Processors
skos:notation
RIV/67985556:_____/11:00363714!RIV12-AV0-67985556
n13:predkladatel
n14:ico%3A67985556
n4:aktivita
n12:P n12:Z
n4:aktivity
P(7E08013), Z(AV0Z10750506)
n4:dodaniDat
n19:2012
n4:domaciTvurceVysledku
n9:4270320 n9:4505514 n9:7914571 n9:2026449
n4:druhVysledku
n6:D
n4:duvernostUdaju
n16:S
n4:entitaPredkladatele
n15:predkladatel
n4:idSjednocenehoVysledku
212392
n4:idVysledku
RIV/67985556:_____/11:00363714
n4:jazykVysledku
n7:eng
n4:klicovaSlova
microthreading; SVP concurrency model; UTLEON3 processor
n4:klicoveSlovo
n11:SVP%20concurrency%20model n11:microthreading n11:UTLEON3%20processor
n4:kontrolniKodProRIV
[FD5A24DAE3CD]
n4:mistoKonaniAkce
Oulu
n4:mistoVydani
Oulu, Finsko
n4:nazevZdroje
2011 14th Euromicro Conference on Digital System Design Architectures, Methods and Tools DSD 2011
n4:obor
n10:JC
n4:pocetDomacichTvurcuVysledku
4
n4:pocetTvurcuVysledku
4
n4:projekt
n18:7E08013
n4:rokUplatneniVysledku
n19:2011
n4:tvurceVysledku
Daněk, Martin Kafka, Leoš Kohout, Lukáš Sýkora, Jaroslav
n4:typAkce
n5:WRD
n4:zahajeniAkce
2011-08-31+02:00
n4:zamer
n20:AV0Z10750506
s:numberOfPages
8
n21:hasPublisher
IEEE Computer Society Conference Publishing Services
n22:isbn
978-0-7695-4494-6