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Message-ID: <CADOi5_OuOcgTjg+mCA=Abh-tK9JRsz-C6-mRXt8QR2de4jm=Xw@mail.gmail.com>
Date: Sun, 2 Jun 2013 21:39:50 -0400
From: James Ross <jimrone@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Bleeding-jumbo extensions help. Ubuntu 12.4 Linux on
Oracle VM
nproc
1
guess only one avail. i have i7 though.
On Sun, Jun 2, 2013 at 9:32 PM, Solar Designer <solar@...nwall.com> wrote:
> On Sun, Jun 02, 2013 at 09:25:32PM -0400, James Ross wrote:
> > So reset the crack and run './john --fork=8 --format=bitcoin hash'?
>
> First make sure that you actually have 8 logical CPUs in the VM - e.g.,
> with "cat /proc/cpuinfo".
>
> If you don't want to start over, OpenMP is a better choice than --fork.
> You may then interrupt your non-OpenMP session and --restore it with an
> OpenMP-enabled build.
>
> --fork is usually more efficient than OpenMP, though. OpenMP is quite
> sensitive to other load on the system, whereas --fork is not.
>
> Alexander
>
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