Instruction Throughput - Nvidia

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CUDA 4.0: Visual Profiler Optimization Hints � Visual Profiler gathers hardware signals via command-line profiler � Profiler computes derived values: � Instruction throughput � Memory throughput � GPU Occupancy (Computation detailed in documentation) � Using these derived values, profiler hints at limiting factors This talk shows the thoughts behind Profiler hints, but also how to interpret GPU profiler signals while doing your own experiments, e.g. through source-code modifications © NVIDIA Corporation 2011
Optimizations for Instruction Throughput © NVIDIA Corporation 2011 7
Page 1 and 2: Instruction Limited Kernels CUDA Op
Page 3 and 4: Presentation Outline © NVIDIA Corp
Page 5: Limited by Bandwidth or Arithmetic?
Page 9 and 10: Instruction Throughput: Analysis
Page 11 and 12: Serialization: Profiler Analysis
Page 13 and 14: Serialization: Analysis with Modifi
Page 15 and 16: Case Study: SMEM Bank Conflicts �
Page 17 and 18: © NVIDIA Corporation 2011 Optimiza
Page 19 and 20: Simplified View of Latency and Sync
Page 21 and 22: Latency: Optimization � Insuffici

Instruction Throughput - Nvidia

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