Mailinglist Archive: opensuse (963 mails)

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Re: [opensuse] Re: Re: 200 line kernel patch!!
  • From: Per Jessen <per@xxxxxxxxxxxx>
  • Date: Sun, 21 Nov 2010 10:47:40 +0100
  • Message-id: <icaprs$cl0$1@xxxxxxxxxxxxxxxx>
Heinz Diehl wrote:

On 20.11.2010, Per Jessen wrote:

You really own a machine with 64 processors/threads? If not, the
parameter you pass to "make" with the "-j" option should not exceed
the number of cpus present.

Why not? - if work is somewhat IO-bound, running more jobs than
available processors is quite reasonable.

He's doing a "make -j64" and his machine is going to freeze.
Unless there's proof that his machine is capable of this large amount
of processes, I'm arguing that this is one of the main causes which
gets the machine down to the knees.

It's not the CPU-load but lack of memory that'll stop it though.

Per Jessen, Zürich (3.3°C)

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