Re: [PATCH] MAX_READAHEAD gives doubled throuput

Roger Larsson
2001-07-28T02:39:29Z

On Saturdayen den 28 July 2001 04:08, Daniel Phillips wrote:
> [- - -]
> Wheeeeee! Out of interest, what are the numbers for 2.4.7 vs
> 2.4.8-pre1 ?
>

Ok, time for a table... (all but dbench are best of 3 with source and
destination files bigger than memory, dbench is only run once)

write copy read diff dbench
2.4.0 32.2 16.4 29.7 15.4 32.9
2.4.4 33.2 15.8 29.8 - -
2.4.6-pre1+s-irq 33.0 15.6 29.5 11.0 38.9
2.4.7 32.8 16.1 29.4 10.9 32.9
2.4.8-pre1 33.2 16.4 29.5 11.2 26.1
2.4.8-pre1+MRA 30.3 28.3 29.8 28.4 34.8

/RogerL