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On 2002.12.22 Marc-Christian Petersen wrote: >On Sunday 22 December 2002 15:38, Marc-Christian Petersen wrote: > >And hi again ^3, > >> root@codeman:[/] # uname -r >> 2.4.20-rmap15b >> root@codeman:[/] # dd if=/dev/zero of=/home/largefile bs=16384 count=131072 >> 131072+0 records in >> 131072+0 records out >> 2147483648 bytes transferred in 140.460427 seconds (15288887 bytes/sec) > >root@codeman:[/] # uname -r >2.4.20aa1 >root@codeman:[/] # dd if=/dev/zero of=/home/largefile bs=16384 count=131072 >131072+0 records in >131072+0 records out >2147483648 bytes transferred in 286.054011 seconds (7507266 bytes/sec) > Check you timer... werewolf:~> uname -a Linux werewolf.able.es 2.4.20-jam2 #2 SMP vie dic 20 22:35:33 CET 2002 i686 unknown unknown GNU/Linux werewolf:~> time dd if=/dev/zero of=kk bs=16384 count=131072 131072+0 records in 131072+0 records out 0.51user 60.63system 1:23.73elapsed 73%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (133major+15minor)pagefaults 0swaps Box is a dual PII@400, 950Mb of RAM. FS is ext3. So about 83 seconds on -jam2, which is mainly just 2.4.20aa1 with ext3 fixes. Ah, no special options to ext3 mount (no data=ordered). That's the point ? ??? -- J.A. Magallon <jamagallon@able.es> \ Software is like sex: werewolf.able.es \ It's better when it's free Mandrake Linux release 9.1 (Cooker) for i586 Linux 2.4.20-jam2 (gcc 3.2.1 (Mandrake Linux 9.1 3.2.1-2mdk)) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | |||||||||
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