[Ocfs2-devel] [PATCH -v2 0/3] jbd2 scalability patches

[Ted Ts'o]

Thanks, John, for doing these numbers!!!

> vfs + j_state lock + jdb2 scalability queue
> Throughput 1214.21 MB/sec 8 procs
> Throughput 1175.49 MB/sec 4 procs
> Throughput 716.294 MB/sec 2 procs
> Throughput 402.988 MB/sec 1 procs

2.6.35-rc6-vfs + atomic
Throughput 2648.42 MB/sec 8 procs
Throughput 1586.68 MB/sec 4 procs
Throughput 851.545 MB/sec 2 procs
Throughput 453.106 MB/sec 1 procs

Your earlier numbers were quite a bit higher than this latest set.  I
assume that's due to hardware differences?

					- Ted