By: Mark Roulo (nothanks.delete@this.xxx.com), January 30, 2013 2:14 pm
Room: Moderated Discussions
Paul A. Clayton (paaronclayton.delete@this.gmail.com) on January 30, 2013 1:42 pm wrote:
> (I am curious how they managed to disable portions of the cache. Although some high-end servers
> support selective block disabling as a standard feature, I was not aware of any that supporting
> disabling half, a third, or a sixth of the cache. Does Facebook have access to special features
> that are typically fused-off? Restricting such to Facebook seems to be a disservice to others--e.g.,
> academic researchers--who could benefit from access to such features.)
Facebook may have done this test using ARM CPUs.
Google for "Lockdown by line" and ARM.
> (I am curious how they managed to disable portions of the cache. Although some high-end servers
> support selective block disabling as a standard feature, I was not aware of any that supporting
> disabling half, a third, or a sixth of the cache. Does Facebook have access to special features
> that are typically fused-off? Restricting such to Facebook seems to be a disservice to others--e.g.,
> academic researchers--who could benefit from access to such features.)
Facebook may have done this test using ARM CPUs.
Google for "Lockdown by line" and ARM.