Coarse optimisations type in Optimisation Recipes for CUDA Optimisation

RidgeRun CUDA Optimisation Guide
GPU Architecture
Execution process Memory hierarchy Communication & Concurrency
Optimisation Workflow
Tools CUDA Memcheck CUDA Profiler Computational Budget Tool
Optimisation Recipes
Types of optimisations Coarse optimisations Workload offloading Problem size Communication overlapping Correct memory access patterns Inter-thread communication Memory management Fine optimisations Increase arithmetic intensity Function approximation Condition and loops replacement Inlining
Common pitfalls when optimising
Examples
Empirical Experiments
Simple bounding test Multi-threaded bounding test
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Coarse optimisations are those that contribute with the greatest gain in performance/throughput. In this section, some optimisations are presented, trying to classify them when having several scenarios.