Treffer: Initial evaluation of multimedia extensions on VLIW architectures

Title:
Initial evaluation of multimedia extensions on VLIW architectures
Authors:
SALAMI, Esther, VALERO, Mateo
Source:
Computer systems : architectures, modeling, and simulation (Samos, 21-23 July 2003 & 19-21 July 2004)Lecture notes in computer science. :403-412
Publisher Information:
Berlin: Springer, 2004.
Publication Year:
2004
Physical Description:
print, 12 ref
Original Material:
INIST-CNRS
Subject Terms:
Computer science, Informatique, Sciences exactes et technologie, Exact sciences and technology, Sciences appliquees, Applied sciences, Informatique; automatique theorique; systemes, Computer science; control theory; systems, Logiciel, Software, Traitement des langages et microprogrammation, Language processing and microprogramming, Electronique, Electronics, Electronique des semiconducteurs. Microélectronique. Optoélectronique. Dispositifs à l'état solide, Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices, Circuits intégrés, Integrated circuits, Circuits intégrés par fonction (dont mémoires et processeurs), Integrated circuits by function (including memories and processors), Architecture ordinateur, Computer architecture, Arquitectura ordenador, Calculateur SIMD, SIMD computer, Multimédia, Multimedia, Ordonnancement, Scheduling, Reglamento, Parallélisme, Parallelism, Paralelismo, Mot instruction très long, Very long instruction word, VLIW
Document Type:
Konferenz Conference Paper
File Description:
text
Language:
English
Author Affiliations:
Computer Architecture Department, UPC, Barcelona, Spain
ISSN:
0302-9743
Access URL:
http://pascal-francis.inist.fr/vibad/index.php?action=search&terms=16075769
Rights:
Copyright 2004 INIST-CNRS
CC BY 4.0
Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS
Notes:
Computer science; theoretical automation; systems

Electronics
Accession Number:
edscal.16075769
Database:
PASCAL Archive

Weitere Informationen

Media processing has motivated strong changes in the focus and design of processors. The inclusion of pSIMD multimedia extensions such as MMX is a cost effective option to improve the performance of those regions of the program with large amounts of DLP. This paper provides an initial evaluation of μSIMD and vector-SIMD enhanced VLIW architectures. We show that these two architectures execute respectively an average of 40% and 57% fewer operations than the reference VLIW architecture. However, when most of the available DLP parallelism has been exploited via multimedia extensions or wide-issue static scheduling, the remaining of the program exhibits only modest amounts of ILP (1.40 operations per cycle for a 8-issue width architecture). We claim that, in general, vector-SIMD extensions achieve the highest speed-ups while still reducing the fetch pressure, although for wide-issue pSIMD architectures reach a similar performance at a lower cost.