Coarse optimisations type in Optimisation Recipes for CUDA Optimisation

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RidgeRun CUDA Optimisation Guide
GPU Architecture
Execution process Memory hierarchy Communication & Concurrency
Optimisation Workflow
Tools CUDA Memcheck CUDA Profiler NVIDIA Nsight Systems Performance Tool Wrapper 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 the greatest gain in performance/throughput. In this section, some optimisations are presented, trying to classify them when having several scenarios.