Re: Bug#510624: ITP: pigz -- Parallel Implementation of GZip
Ron Johnson, le Sun 04 Jan 2009 17:40:08 -0600, a écrit :
> On 01/04/09 17:20, Josselin Mouette wrote:
> >Still, it is better to use CPU pinning since you often want finer
> >control than that, and that’s especially true in multi-user environments
> >where resources can be sub-host.
>
> Wouldn't it be better to bind a process to a "chip", rather than a
> "core", so that you don't run into cases where, after many processes
> terminate, you are left with most of the busy processes pinned to a
> single busy core while the others are mostly unused?
That's precisely the kind of thing that makes it better to just leave it
up to Linux. The case of HPC is quite particular in that you usually
really precisely control your computation. In the case of
general-purpose tools, I would really not recommend it.
Samuel
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