Exploiting cache in multimedia

Author

Cucchiara, Rita ; Piccardi, Massimo ; Prati, Andrea

Author_Institution

DSI, Modena Univ., Italy

Volume

1

fYear

1999

fDate

36342

Firstpage

345

Abstract

The paper explores cache strategies for multimedia. Although many architectural improvements have been designed for multimedia, the cache structure and the standard caching policies of general-purpose processors exhibit poor performance in exploiting the 2D spatial locality typical of programs handling and processing images. We propose a novel caching approach, suitably tailored to the requirement of multimedia programs. Our proposal exploits hardware pre-fetching for allocating in cache, blocks of data that satisfy the 2D spatial locality requirements. Results refer to a benchmark suite of multimedia programs including MPEG decoding and image processing programs with different data dependency and access schemes to image data

Keywords

cache storage; decoding; image processing; multimedia systems; storage allocation; video coding; 2D spatial locality; MPEG decoding; access schemes; architectural improvements; cache strategies; cache structure; data dependency; general-purpose processors; hardware pre-fetching; image processing; multimedia programs; standard caching policies; Central Processing Unit; Computer aided manufacturing; Computer architecture; Concurrent computing; Decoding; Digital signal processing; Hardware; High performance computing; Image processing; Personal communication networks;

fLanguage

English

Publisher

ieee

Conference_Titel

Multimedia Computing and Systems, 1999. IEEE International Conference on

Conference_Location

Florence

Print_ISBN

0-7695-0253-9

Type

conf

DOI

10.1109/MMCS.1999.779228

Filename

779228