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FastCV Downscale Benchmark

Downscales a 3840x2160 JPEG to 1920x1080 using Qualcomm FastCV (fcvScaleDownMNu8), benchmarking across operation modes.

Build & Run

make
./fastcvSimpleTest [loop_count]   # default: 100

Dependencies

  • Qualcomm FastCV (libfastcvopt)
  • libjpeg

Output

  • output_cpu_performance.jpg — result from FASTCV_OP_CPU_PERFORMANCE
  • output_performance.jpg — result from FASTCV_OP_PERFORMANCE
  • Per-frame timing breakdown and FPS printed to stdout

Verify CDSP Offload

Check journalctl to confirm whether FastCV successfully offloaded to the CDSP:

journalctl --no-pager | grep -i -E "fastcvSimpleTest"