Performance Optimization

Learn techniques to optimize CUDA code for maximum performance.

Optimization Strategies

  • Maximize memory coalescing
  • Use shared memory effectively
  • Minimize thread divergence
  • Balance occupancy and resources
  • Optimize data transfer patterns

Optimization Example

Here's an example comparing unoptimized and optimized matrix multiplication kernels:

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Performance Analysis Tools

  • Nsight Compute: Detailed kernel performance analysis
  • Nsight Systems: System-wide performance analysis
  • CUDA Profiler: Basic profiling information
  • Visual Profiler: Visual performance analysis