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"