Re: [RFC PATCH 0/14] Parallel memory initialisation

From: Peter Zijlstra
Date: Wed Apr 15 2015 - 10:28:00 EST


On Wed, Apr 15, 2015 at 09:15:50AM -0400, Waiman Long wrote:
> I had included your patch with the 4.0 kernel and booted up a 16-socket
> 12-TB machine. I measured the elapsed time from the elilo prompt to the
> availability of ssh login. Without the patch, the bootup time was 404s. It
> was reduced to 298s with the patch. So there was about 100s reduction in
> bootup time (1/4 of the total).

But you cheat! :-)

How long between power on and the elilo prompt? Do the 100 seconds
matter on that time scale?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/