Re: [Kiobuf-io-devel] RFC: Kernel mechanism: Compound event wait

[Ingo Molnar]

On Tue, 6 Feb 2001, Ben LaHaise wrote:

> Sure.  General parameters will be as follows (since I think we both have
> access to these machines):
>
>       - 4xXeon, 4GB memory, 3GB to be used for the ramdisk (enough for a
>         base install plus data files.
>       - data to/from the ram block device must be copied within the ram
>         block driver.
>       - the filesystem used must be ext2.  optimisations to ext2 for
>         tweaks to the interface are permitted & encouraged.
>
> The main item I'm interested in is read (page cache cold)/synchronous
> write performance for blocks from 256 bytes to 16MB in powers of two,
> much like what I've done in testing the aio patches that shows where
> improvement in latency is needed. Including a few other items on disk
> like the timings of find/make -s dep/bonnie/dbench is probably to show
> changes in throughput. Sound fair?

yep, sounds fair.

        Ingo


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