Core fusion

Abstract

This paper presents core fusion, a reconfigurable chip multiprocessor (CMP) architecture where groups of fundamentally independent cores can dynamically morph,into a larger CPU, or they can be used as distinct processing elements, as needed at run time by applications. Core fusion gracefully accommodates,software diversity and incremental parallelization in CMPs. It provides a single execution model across all configurations, requires no additional programming effort or specialized compiler support, maintains ISA compatibility, and leverages mature micro-architecture technology. Categories and Subject Descriptors