By: Foo_ (foo.delete@this.nomail.com), May 11, 2013 5:21 am
Room: Moderated Discussions
mpx (mpx.delete@this.nomail.pl) on May 10, 2013 11:51 pm wrote:
> Brett (ggtgp.delete@this.yahoo.com) on May 9, 2013 8:26 pm wrote:
>
> > The last thing you want is to have
> > a critical path task slowed down
>
> SPARC T4 is 8-way SMT by default, but can dynamically switch to max-ipc threading
> mode, in which only one thread runs on a core, thus having all it's resources available.
> Such mode is available via Critical Thread API available on Solaris.
The downside being that it's not transparent to userspace software, I guess.
Most developers these days don't want to bother with platform-specific optimizations.
> Brett (ggtgp.delete@this.yahoo.com) on May 9, 2013 8:26 pm wrote:
>
> > The last thing you want is to have
> > a critical path task slowed down
>
> SPARC T4 is 8-way SMT by default, but can dynamically switch to max-ipc threading
> mode, in which only one thread runs on a core, thus having all it's resources available.
> Such mode is available via Critical Thread API available on Solaris.
The downside being that it's not transparent to userspace software, I guess.
Most developers these days don't want to bother with platform-specific optimizations.