A 100 GOPS in-vehicle vision processor for pre-crash safety systems based on a ring connected 128 4-Way VLIW processing elements

Author

Kyo, Shorin ; Okazaki, Shin Ichiro ; Koga, Takuya ; Hidano, Fumiyuki

Author_Institution

Syst. IP Core Res. Labs., NEC Corp. Kawasaki, Kawasaki

fYear

2008

fDate

18-20 June 2008

Firstpage

28

Lastpage

29

Abstract

A 100GOPS vision processor LSI (IMAPCAR) for in-vehicle image recognition which consumes less than 2 watts of power has been developed. 128 of 4-way VLIW with MAC (multiply add accumulation) processor elements (PE) to which data are assigned efficiently by DMA companion scaling capability, has achieved high performance in low cost. Compared with a previous design, performance for major vision tasks has been improved by a factor of 2.5 while 50% of power is reduced.

Keywords

accident prevention; driver information systems; embedded systems; file organisation; image recognition; large scale integration; microprocessor chips; multiprocessing systems; parallel memories; road safety; 4-way VLIW processing elements; DMA companion scaling capability; GOPS in-vehicle vision processor LSI; SIMD; direct memory access; embedded system; in-vehicle image recognition; multiply add accumulation processor elements; power reduction; pre-crash safety systems; ring connection; vision tasks; Circuits; Clocks; Costs; Image recognition; Large scale integration; National electric code; Random access memory; Read-write memory; Safety; VLIW; SIMD; VLIW; embedded system; many core; ring connection; vision processor;

fLanguage

English

Publisher

ieee

Conference_Titel

VLSI Circuits, 2008 IEEE Symposium on

Conference_Location

Honolulu, HI

Print_ISBN

978-1-4244-1804-6

Electronic_ISBN

978-1-4244-1805-3

Type

conf

DOI

10.1109/VLSIC.2008.4585939

Filename

4585939