Re: [PATCH] concurrent inode allocation for ext2 against 2.5.64

[William Lee Irwin III]

On Sat, Mar 15, 2003 at 03:08:24PM -0800, William Lee Irwin III wrote:
> There's a problem with the old dbench:

oh, this is hilarious!!!

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++128 clients started
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Throughput 1841.38 MB/sec (NB=2301.72 MB/sec  18413.8 MBit/sec)
./dbench/dbench 128  73.31s user 6.75s system 1802% cpu 4.440 total
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Throughput 5860.34 MB/sec (NB=7325.42 MB/sec  58603.4 MBit/sec)
./dbench/dbench 512  293.72s user 14.36s system 2306% cpu 13.360 total
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+++++++++++++++++++++++++1024 clients started
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Throughput 5872.46 MB/sec (NB=7340.57 MB/sec  58724.6 MBit/sec)
./dbench/dbench 1024  587.43s user 35.85s system 2424% cpu 25.711 total
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++++++++++++++++++++++++++++++++++++++++++++++++++2048 clients started
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Throughput 5167.57 MB/sec (NB=6459.46 MB/sec  51675.7 MBit/sec)
./dbench/dbench 2048  1176.73s user 101.47s system 2525% cpu 50.619 total
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++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++4096 clients started
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Throughput 6132.23 MB/sec (NB=7665.29 MB/sec  61322.3 MBit/sec)
./dbench/dbench 4096  2353.72s user 306.45s system 2593% cpu 1:42.56 total