BBB

Beagle Bone Black

Benchmarks

root@beaglebone:~# ./memcpy_arm 
memcpy       1 KiBytes:    417 MB/sec
memcpy       2 KiBytes:    960 MB/sec
memcpy       4 KiBytes:   1199 MB/sec
memcpy       8 KiBytes:   1338 MB/sec
memcpy      16 KiBytes:   1412 MB/sec
memcpy      32 KiBytes:   1453 MB/sec
memcpy      64 KiBytes:   1313 MB/sec
memcpy     128 KiBytes:   1394 MB/sec
memcpy     256 KiBytes:    516 MB/sec
memcpy     512 KiBytes:    261 MB/sec
memcpy    1024 KiBytes:    210 MB/sec
memcpy    2048 KiBytes:    203 MB/sec
memcpy    4096 KiBytes:    201 MB/sec
memcpy    8192 KiBytes:    205 MB/sec
memcpy   16384 KiBytes:    205 MB/sec
memcpy   32768 KiBytes:    189 MB/sec
memcpy   65536 KiBytes:    203 MB/sec
memcpy  131072 KiBytes:    202 MB/sec
root@beaglebone:~# 

2014 image

root@beaglebone:~# blkid
/dev/mmcblk1p2: LABEL="rootfs" UUID="e884e88d-ea6e-40f2-8521-0a68832c5978" TYPE="ext4" 
/dev/mmcblk1p1: SEC_TYPE="msdos" LABEL="boot" UUID="0BDD-F792" TYPE="vfat" 
/dev/mmcblk0p1: LABEL="BBB_LAUREN" UUID="82A6-7DA7" TYPE="vfat" 
root@beaglebone:~# 
root@beaglebone:~# fdisk -l

Disk /dev/mmcblk0: 15.7 GB, 15707668480 bytes
255 heads, 63 sectors/track, 1909 cylinders, total 30679040 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

        Device Boot      Start         End      Blocks   Id  System
/dev/mmcblk0p1   *        8192    30679039    15335424    c  W95 FAT32 (LBA)

Disk /dev/mmcblk1: 3925 MB, 3925868544 bytes
4 heads, 16 sectors/track, 119808 cylinders, total 7667712 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

        Device Boot      Start         End      Blocks   Id  System
/dev/mmcblk1p1   *        2048      198655       98304    e  W95 FAT16 (LBA)
/dev/mmcblk1p2          198656     7667711     3734528   83  Linux

Disk /dev/mmcblk1boot1: 1 MB, 1048576 bytes
4 heads, 16 sectors/track, 32 cylinders, total 2048 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mmcblk1boot1 doesn't contain a valid partition table

Disk /dev/mmcblk1boot0: 1 MB, 1048576 bytes
4 heads, 16 sectors/track, 32 cylinders, total 2048 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mmcblk1boot0 doesn't contain a valid partition table
root@beaglebone:~# 
root@beaglebone:~# df -kl
Filesystem                                             1K-blocks    Used Available Use% Mounted on
rootfs                                                   3610232 1760200   1663308  52% /
udev                                                       10240       0     10240   0% /dev
tmpfs                                                     101804    2084     99720   3% /run
/dev/disk/by-uuid/e884e88d-ea6e-40f2-8521-0a68832c5978   3610232 1760200   1663308  52% /
tmpfs                                                     254508       0    254508   0% /dev/shm
tmpfs                                                     254508       0    254508   0% /sys/fs/cgroup
tmpfs                                                     102400       0    102400   0% /run/user
tmpfs                                                       5120       0      5120   0% /run/lock
/dev/mmcblk1p1                                             98094   73336     24758  75% /boot/uboot
/dev/mmcblk0p1                                          15319040 2045576  13273464  14% /media/BBB_LAUREN
root@beaglebone:~# 

Copy of all files here:

/daq/daqshare/olchansk/BBB/2014-image