threadFenceReduction Starting...

GPU Device 0: "Hopper" with compute capability 9.0

GPU Device supports SM 9.0 compute capability

1048576 elements
128 threads (max)
64 blocks
Average time: 0.024780 ms
Bandwidth:    169.261640 GB/s

GPU result = 0.062298238277
CPU result = 0.062298242003