Flashbench-results

flashbench-results@lists.linaro.org

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632 discussions

by Xianghua Xiao

./flashbench -a /dev/sdd2 align 67108864 pre 1.6ms on 1.6ms post 1.52ms diff 34.9µs align 33554432 pre 1.59ms on 1.59ms post 1.53ms diff 31.6µs align 16777216 pre 1.58ms on 1.59ms post 1.52ms diff 36.8µs align 8388608 pre 1.71ms on 1.72ms post 1.6ms diff 70.6µs align 4194304 pre 1.72ms on 1.72ms post 1.58ms diff 71.5µs align 2097152 pre 1.54ms on 1.55ms post 1.51ms diff 21.1µs align 1048576 pre 1.55ms on 1.57ms post 1.52ms diff 30.6µs align 524288 pre 1.55ms on 1.56ms post 1.52ms diff 25µs align 262144 pre 1.52ms on 1.52ms post 1.51ms diff 2.85µs align 131072 pre 1.51ms on 1.52ms post 1.52ms diff 3.14µs align 65536 pre 1.52ms on 1.52ms post 1.52ms diff 244ns align 32768 pre 1.52ms on 1.52ms post 1.52ms diff 4.51µs ./flashbench --open-au --open-au-nr=1 /dev/sdd2 4MiB 8.34M/s 2MiB 8.57M/s 1MiB 8.71M/s 512KiB 8.74M/s 256KiB 8.57M/s 128KiB 7.96M/s 64KiB 16.9M/s 32KiB 5.89M/s 16KiB 3.56M/s ./flashbench --open-au --open-au-nr=2 /dev/sdd2 4MiB 8.69M/s 2MiB 7.47M/s 1MiB 6.12M/s 512KiB 8.79M/s 256KiB 8.52M/s 128KiB 8.22M/s 64KiB 8.57M/s 32KiB 5.99M/s 16KiB 3.66M/s ./flashbench --open-au --open-au-nr=3 /dev/sdd2 4MiB 8.51M/s 2MiB 7.48M/s 1MiB 6.04M/s 512KiB 4.37M/s 256KiB 2.43M/s 128KiB 1.42M/s 64KiB 808K/s 32KiB 425K/s 16KiB 216K/s head /sys/block/sdd/device/* ==> /sys/block/sdd/device/block <== head: error reading `/sys/block/sdd/device/block': Is a directory ==> /sys/block/sdd/device/bsg <== head: error reading `/sys/block/sdd/device/bsg': Is a directory head: cannot open `/sys/block/sdd/device/delete' for reading: Permission denied ==> /sys/block/sdd/device/device_blocked <== 0 ==> /sys/block/sdd/device/dh_state <== detached ==> /sys/block/sdd/device/driver <== head: error reading `/sys/block/sdd/device/driver': Is a directory ==> /sys/block/sdd/device/evt_media_change <== 0 ==> /sys/block/sdd/device/generic <== head: error reading `/sys/block/sdd/device/generic': Is a directory ==> /sys/block/sdd/device/iocounterbits <== 32 ==> /sys/block/sdd/device/iodone_cnt <== 0x249d5d ==> /sys/block/sdd/device/ioerr_cnt <== 0x218be3 ==> /sys/block/sdd/device/iorequest_cnt <== 0x249d5d ==> /sys/block/sdd/device/max_sectors <== 240 ==> /sys/block/sdd/device/modalias <== scsi:t-0x00 ==> /sys/block/sdd/device/model <== STORAGE DEVICE ==> /sys/block/sdd/device/power <== head: error reading `/sys/block/sdd/device/power': Is a directory ==> /sys/block/sdd/device/queue_depth <== 1 ==> /sys/block/sdd/device/queue_type <== none head: cannot open `/sys/block/sdd/device/rescan' for reading: Permission denied ==> /sys/block/sdd/device/rev <== 9744 ==> /sys/block/sdd/device/scsi_device <== head: error reading `/sys/block/sdd/device/scsi_device': Is a directory ==> /sys/block/sdd/device/scsi_disk <== head: error reading `/sys/block/sdd/device/scsi_disk': Is a directory ==> /sys/block/sdd/device/scsi_generic <== head: error reading `/sys/block/sdd/device/scsi_generic': Is a directory ==> /sys/block/sdd/device/scsi_level <== 0 ==> /sys/block/sdd/device/state <== running ==> /sys/block/sdd/device/subsystem <== head: error reading `/sys/block/sdd/device/subsystem': Is a directory ==> /sys/block/sdd/device/timeout <== 30 ==> /sys/block/sdd/device/type <== 0 ==> /sys/block/sdd/device/uevent <== DEVTYPE=scsi_device DRIVER=sd MODALIAS=scsi:t-0x00 ==> /sys/block/sdd/device/vendor <== Generic

14 years, 6 months

flashbench results APACER SD Embedded(SLC) 4GB:

by Xianghua Xiao

APACER SD Embedded(SLC) 4GB: ./flashbench -a /dev/sdd2 align 67108864 pre 1.97ms on 1.96ms post 1.61ms diff 164µs align 33554432 pre 1.95ms on 1.95ms post 1.63ms diff 163µs align 16777216 pre 1.95ms on 1.94ms post 1.63ms diff 147µs align 8388608 pre 1.96ms on 1.96ms post 1.63ms diff 164µs align 4194304 pre 1.94ms on 1.94ms post 1.63ms diff 161µs align 2097152 pre 1.95ms on 1.94ms post 1.63ms diff 149µs align 1048576 pre 1.93ms on 1.94ms post 1.63ms diff 157µs align 524288 pre 1.62ms on 1.63ms post 1.62ms diff 2.07µs align 262144 pre 1.62ms on 1.63ms post 1.63ms diff 398ns align 131072 pre 1.62ms on 1.63ms post 1.63ms diff -620ns align 65536 pre 1.63ms on 1.63ms post 1.63ms diff 530ns align 32768 pre 1.62ms on 1.63ms post 1.63ms diff 2.37µs ./flashbench --open-au --open-au-nr=1 /dev/sdd2 4MiB 11.1M/s 2MiB 8.64M/s 1MiB 10M/s 512KiB 11.4M/s 256KiB 11.4M/s 128KiB 11.1M/s 64KiB 17.8M/s 32KiB 9.01M/s 16KiB 5.99M/s ./flashbench --open-au --open-au-nr=2 /dev/sdd2 4MiB 6.78M/s 2MiB 4.58M/s 1MiB 2.62M/s 512KiB 4.78M/s 256KiB 7M/s 128KiB 9.18M/s 64KiB 9.69M/s 32KiB 7.76M/s 16KiB 4.97M/s ./flashbench --open-au --open-au-nr=3 /dev/sdd2 4MiB 5.53M/s 2MiB 4.04M/s 1MiB 2.62M/s 512KiB 5.04M/s 256KiB 7.41M/s 128KiB 7.15M/s 64KiB 7.26M/s 32KiB 5.21M/s 16KiB 3.04M/s head /sys/block/sdd/device/* ==> /sys/block/sdd/device/block <== head: error reading `/sys/block/sdd/device/block': Is a directory ==> /sys/block/sdd/device/bsg <== head: error reading `/sys/block/sdd/device/bsg': Is a directory head: cannot open `/sys/block/sdd/device/delete' for reading: Permission denied ==> /sys/block/sdd/device/device_blocked <== 0 ==> /sys/block/sdd/device/dh_state <== detached ==> /sys/block/sdd/device/driver <== head: error reading `/sys/block/sdd/device/driver': Is a directory ==> /sys/block/sdd/device/evt_media_change <== 0 ==> /sys/block/sdd/device/generic <== head: error reading `/sys/block/sdd/device/generic': Is a directory ==> /sys/block/sdd/device/iocounterbits <== 32 ==> /sys/block/sdd/device/iodone_cnt <== 0x243f01 ==> /sys/block/sdd/device/ioerr_cnt <== 0x218ba6 ==> /sys/block/sdd/device/iorequest_cnt <== 0x243f01 ==> /sys/block/sdd/device/max_sectors <== 240 ==> /sys/block/sdd/device/modalias <== scsi:t-0x00 ==> /sys/block/sdd/device/model <== STORAGE DEVICE ==> /sys/block/sdd/device/power <== head: error reading `/sys/block/sdd/device/power': Is a directory ==> /sys/block/sdd/device/queue_depth <== 1 ==> /sys/block/sdd/device/queue_type <== none head: cannot open `/sys/block/sdd/device/rescan' for reading: Permission denied ==> /sys/block/sdd/device/rev <== 9744 ==> /sys/block/sdd/device/scsi_device <== head: error reading `/sys/block/sdd/device/scsi_device': Is a directory ==> /sys/block/sdd/device/scsi_disk <== head: error reading `/sys/block/sdd/device/scsi_disk': Is a directory ==> /sys/block/sdd/device/scsi_generic <== head: error reading `/sys/block/sdd/device/scsi_generic': Is a directory ==> /sys/block/sdd/device/scsi_level <== 0 ==> /sys/block/sdd/device/state <== running ==> /sys/block/sdd/device/subsystem <== head: error reading `/sys/block/sdd/device/subsystem': Is a directory ==> /sys/block/sdd/device/timeout <== 30 ==> /sys/block/sdd/device/type <== 0 ==> /sys/block/sdd/device/uevent <== DEVTYPE=scsi_device DRIVER=sd MODALIAS=scsi:t-0x00 ==> /sys/block/sdd/device/vendor <== Generic

14 years, 6 months

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Flashbench-results