Carnd@wuerfel:~/flashbench$ sudo ./flashbench --findfat /dev/sdd --erasesize=$[3*1024*1024] --blocksi=3072 --fat-nr=8 3MiB 2.96M/s 7.1M/s 7.03M/s 7.1M/s 6.81M/s 6.69M/s 6.81M/s 6.71M/s 1.5MiB 6.99M/s 7.09M/s 7.13M/s 7.1M/s 6.82M/s 6.81M/s 6.75M/s 6.78M/s 768KiB 7.06M/s 6.95M/s 6.98M/s 7.06M/s 6.66M/s 6.61M/s 6.61M/s 6.74M/s 384KiB 6.83M/s 6.92M/s 6.82M/s 6.84M/s 6.58M/s 6.57M/s 6.54M/s 6.45M/s 192KiB 6.95M/s 6.96M/s 6.92M/s 6.77M/s 6.49M/s 6.44M/s 6.44M/s 6.52M/s 96KiB 7.06M/s 7.09M/s 7.11M/s 7.07M/s 6.82M/s 6.84M/s 6.76M/s 6.7M/s 48KiB 6.3M/s 6.37M/s 6.38M/s 6.4M/s 5.87M/s 5.83M/s 5.82M/s 5.95M/s 24KiB 5.15M/s 5.09M/s 5.14M/s 5.16M/s 4.43M/s 4.43M/s 4.44M/s 4.38M/s 12KiB 3.66M/s 3.65M/s 3.62M/s 3.65M/s 3.09M/s 3.1M/s 3.1M/s 3.1M/s 6KiB 2.55M/s 2.56M/s 2.55M/s 2.53M/s 2.27M/s 2.27M/s 2.28M/s 2.26M/s 3KiB 1.18M/s 1.65M/s 1.65M/s 1.66M/s 1.52M/s 1.12M/s 1.12M/s 1.52M/s arnd@wuerfel:~/flashbench$ sudo ./flashbench --findfat /dev/sdd --erasesize=$[3*1024*1024] --blocksize=3072 --fat-nr=8 --random 3MiB 7.05M/s 7.02M/s 7.11M/s 7.09M/s 6.82M/s 6.8M/s 6.73M/s 6.65M/s 1.5MiB 6.81M/s 2.91M/s 2.86M/s 2.87M/s 2.88M/s 2.88M/s 2.88M/s 2.91M/s 768KiB 2.88M/s 2.86M/s 2.89M/s 2.86M/s 2.86M/s 2.88M/s 2.89M/s 2.88M/s 384KiB 2.84M/s 2.86M/s 1.71M/s 2.84M/s 2.83M/s 2.82M/s 2.83M/s 2.84M/s 192KiB 2.84M/s 2.85M/s 1.71M/s 2.82M/s 2.85M/s 2.84M/s 2.84M/s 2.83M/s
... no idea