[TUHS] PDP-11 legacy, C, and modern architectures

Larry McVoy lm at mcvoy.com
Fri Jun 29 00:56:09 AEST 2018

On Thu, Jun 28, 2018 at 10:43:29AM -0400, Perry E. Metzger wrote:
> On Thu, 28 Jun 2018 10:15:38 -0400 "Theodore Y. Ts'o" <tytso at mit.edu>
> wrote:
> > I'll note that Sun made a big bet (one of its last failed bets) on
> > this architecture in the form of the Niagra architecture, with a
> > large number of super "wimpy" cores.  It was the same basic idea
> > --- we can't make big fast cores (since that would lead to high
> > ILP's, complex register rewriting, and lead to cache-oriented
> > security vulnerabilities like Spectre and Meltdown) --- so instead,
> > let's make lots of tiny wimpy cores, and let programmers write
> > highly threaded programs!  They essentially made a bet on the
> > web-based microservice model which you are promoting.
> >
> > And the Market spoke.  And shortly thereafter, Java fell under the
> > control of Oracle....  And Intel would proceed to further dominate
> > the landscape.
> I'll be contrary for a moment.
> Huge numbers of wimpy cores is the model already dominating the
> world. 

Got a source that backs up that claim?  I was recently dancing with
Netflix and they don't match your claim, nor do the other content
delivery networks, they want every cycle they can get.

More information about the TUHS mailing list