language: en

A Parallel Implementation of an MPEG1 Encoder: Faster Than Real-Time!

Ke Shen , Lawrence A. Rowe and Edward J. Delp
Computer Vision and Image Processing Laboratory School of Electrical Engineering Purdue University
West Lafayette, Indiana
Computer Science Division Department of Electrical Engineering and Computer Science University of California
Berkeley, California

ABSTRACT In this paper we present an implementation of an MPEG1 encoder on the Intel Touchstone Delta and Intel Paragon parallel computers. We describe the unique aspects of mapping the algorithm onto the parallel machines and present several versions of the algorithms. We will show that I/O contention can be a bottleneck relative to performance. We will also describe how the Touchstone Delta and Paragon can be used to compress video sequences faster than real-time.

1. INTRODUCTION