%0 Journal Article %J IPDPS 2012 %D 2012 %T A Comprehensive Study of Task Coalescing for Selecting Parallelism Granularity in a Two-Stage Bidiagonal Reduction %A Azzam Haidar %A Hatem Ltaeif %A Piotr Luszczek %A Jack Dongarra %B IPDPS 2012 %C Shanghai, China %8 2012-05 %G eng