Re: [PATCH] core-count: A new program to count the number of cpu cores

[Pádraig Brady]

Paolo Bonzini wrote:
> On 10/27/2009 01:16 PM, Pádraig Brady wrote:
>> I already suggested to the xargs maintainer that `xargs -P`
>> should be equivalent to xargs -P$(nproc).
> 
> I was thinking of an additional option that would automatically decrease
> -n so that the requested number of processes is started (then of course
> the load may not be well balanced).

So you mean, rather than the current situation of:

$ yes . | head -n13 | xargs -n4 -P2
. . . .
. . . .
. . . .
.

xargs could try to distribute like:

$ yes . | head -n13 | xargs -n4 -P2
. . . .
. . . .
. . .
. .

Hmm, it might be able to do that unconditionally?

cheers,
Pádraig.