Platform                             DIL/NetPC with concat layer DIL/NetPC without concat layer  AMD SC520CDP with concat layer AMD SC520CDP without concat layer
Layers traversed                     3 (2 x part. 1 x concat)    1                               2 (1 x concat, 1 x part.)      0
eraseall /dev/mtd/xx                 45.7                        45.8                            28.7                           28.2
dd if=/dev/mtd/xx of=/dev/null       1.6                         1.6                             1.3                            1.3
dd if=/dev/zero of=/dev/mtd/xx       187.5                       187.3                           66.7                           65.7
mount -t jffs2 /dev/mtdblock/xx /tmp 1.3                         1.3                             1.3                            1.3
cd /tmp; tar xvf /test.tar           227.1                       222.3                           44.6                           44.5
cd /tmp; tar cvf /test1.tar .        30.4                        30.9                            8.4                            8.5
cd /tmp; rm -rf *                    2.8                         2.7                             0.6                            0.5