Michael D. Powell Arijit Biswas Shantanu Gupta Shubhendu S. Mukherjee Architectural core salvaging in a multi-core processor for hard-error tolerance. 93-104 2009 ISCA http://doi.acm.org/10.1145/1555754.1555769 conf/isca/2009 db/conf/isca/isca2009.html#PowellBGM09