Practical vectorization Intro SIMD Single Instruction Multiple Data Concept o Run the same operation in parallel on multiple data o Operation is as fast as in single data case oThe data leave in a "vector" Practically A B R +回=风 A2 B2 R2 → A B3 R3 A B R4 5/50 S.Ponce-CERNPractical vectorization 5 / 50 S. Ponce - CERN Intro Measure Prereq Techniques Expectations SIMD - Single Instruction Multiple Data Concept Run the same operation in parallel on multiple data Operation is as fast as in single data case The data leave in a “vector” Practically A + B = R A 1 A 2 A 3 A 4 + B 1 B 2 B 3 B 4 = R 1 R 2 R 3 R 4