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SubjectRe: [CFT] delayed allocation and multipage I/O patches for 2.5.6.
From
2.5.6 with Andrew's everything patch on ext2 
filesystem mounted with delalloc came up with
these MB/second on k6-2/475 with IDE disk:

dbench 128
2.5.6 2.5.6-akpme akpm % faster
8.4 12.5 48

tiobench seq reads (8 - 128 threads avg 3 runs)
2.5.6 2.5.6-akpme %
9.36 12.97 38

tiobench seq writes (8 - 128 threads avg 3 runs)
2.5.6 2.5.6-akpme %
15.3 19.29 26

Both kernels needed reiserfs patches for 2.5.6, but
above tests are on ext2.

More on these tests and a few other akpm patches at:
http://home.earthlink.net/~rwhron/kernel/akpm.html

--
Randy Hron

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