Writing Parallel software 花5 Finding parallelism Task parallelism Sum act on the work flow Measures o break the work in tasks Sum squares o run several concurrently Data parallelism datal Computex2 osplit data in pieces data2 Computex2 o run on several concurrently data3 Computex2 what find empect 7/46 S.Ponce-CERNWriting Parallel software 7 / 46 S. Ponce - CERN Intro Threading Safety Solutions what find expect Finding parallelism Task parallelism act on the work flow break the work in tasks run several concurrently Measures Sum Sum squares σ Data parallelism split data in pieces run on several concurrently data1 data2 data3 Compute χ 2 Compute χ 2 Compute χ 2