Practical vectorization Outline Introduction ② Measuring vectorization Vectorization Prerequisite Vectorizing techniques in C++ ●Autovectorization oInline assembly o Intrinsics oCompiler extensions oLibraries What to expect 2/50 S.Ponce-CERNPractical vectorization 2 / 50 S. Ponce - CERN Intro Measure Prereq Techniques Expectations Outline 1 Introduction 2 Measuring vectorization 3 Vectorization Prerequisite 4 Vectorizing techniques in C++ Autovectorization Inline assembly Intrinsics Compiler extensions Libraries 5 What to expect ?