replacing readahead by preload

[Krzysztof Lichota]

Jérôme Bouat napisał(a):
> Hello,
> 
>>> I get overall speed enhancement by using "preload" and removing
>>> "readahead".
>>>
>>
>> You probably are using outdated lists for readahead. Boot your kernel
>> with "profile" argument to update it. Then readahead should be better
>> than preload - preload is better in only some specific situations.
>>
>> Please also test my prefetching kernel implemented for Ubuntu during
> 
> I read the white page of you prefetch in kernel.
> 
> Your tool and the readahead tool are usefull when the configuration
> doesn't change and I think it is a good enhancement on small computers.

My kernel automatically adapts to changes (unlike readahead).

> 
> The benefit of preload is that it change with the user experience.
> Moreover, it doesn't load files which have possibly no chance to be used.

My prefetch loads only pages which have been used.

	Krzysztof Lichota


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