where's a positronic brain when you need one ? :-) On Wed, Nov 25, 2009 at 18:19, Casper Bang <[email protected]> wrote:
> Even if we had super conducting materials (i.e. no current leakage and > no problem with heat dissipation), there's still the physical > limitation of scaling transistors beyond a couple of atoms (the wall) > as well as the constant speed of electrons - 3GHz means impulses are > 100% out of sync after traveling just a couple of cm. Heat is more an > annoying consequence of CPU's effectively being over-clocked from the > manufacturer today (remember when a 486 or Pentium required just a > tiny heat sink?). > > /Casper > > On Nov 25, 5:31 pm, Jan Goyvaerts <[email protected]> wrote: > > Ok, my mistake. I guess 135K (about -138°C) is not exactly in the > achievable > > range for a regular computer. :-) > > > > > > > > On Wed, Nov 25, 2009 at 17:23, Jan Goyvaerts <[email protected]> > wrote: > > >http://en.wikipedia.org/wiki/High-temperature_superconductivity > > > > > On Wed, Nov 25, 2009 at 17:17, Jan Goyvaerts <[email protected] > >wrote: > > > > >> Didn't they discover a superconductor recently that 'super-conducts' > at a > > >> quite achievable temperature ? > > > > >> On Wed, Nov 25, 2009 at 16:04, Joshua Marinacci <[email protected] > >wrote: > > > > >>> Unlikely. The single core speed problem is due to fundamental limits > of > > >>> physics. The only way we will make single cores significantly faster > is > > >>> through major silicon process improvements (perhaps using new > materials), > > >>> major cooling improvements (very unlikely), or by making programming > models > > >>> more tolerant of physical errors (which would be very interesting). > > > > >>> - josh > > > > >>> On Nov 25, 2009, at 5:01 AM, Mikael Grev wrote: > > > > >>> >> 1. a single CPU core is not going to become any faster. That's > right; > > >>> >> a single thread is never going to run any faster in the future. > We've > > >>> >> reached the end of the line as far as clock speed and on-chip > > >>> >> parallelization is concerned. > > > > >>> > Bill Gates said that 640k was more than anyone would ever need. > > > > >>> > Something tells me that some innovative person will find a way to > > >>> > circumvent the problem. > > > > >>> > :) > > > > >>> > Cheers, > > >>> > Mikael > > > > >>> > -- > > > > >>> > You received this message because you are subscribed to the Google > > >>> Groups "The Java Posse" group. > > >>> > To post to this group, send email to [email protected]. > > >>> > To unsubscribe from this group, send email to > > >>> [email protected]<javaposse%[email protected]> > <javaposse%2bunsubscr...@googlegroups .com> > > >>> . > > >>> > For more options, visit this group at > > >>>http://groups.google.com/group/javaposse?hl=en. > > > > >>> -- > > > > >>> You received this message because you are subscribed to the Google > Groups > > >>> "The Java Posse" group. > > >>> To post to this group, send email to [email protected]. > > >>> To unsubscribe from this group, send email to > > >>> [email protected]<javaposse%[email protected]> > <javaposse%2bunsubscr...@googlegroups .com> > > >>> . > > >>> For more options, visit this group at > > >>>http://groups.google.com/group/javaposse?hl=en. > > -- > > You received this message because you are subscribed to the Google Groups > "The Java Posse" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<javaposse%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/javaposse?hl=en. > > > -- You received this message because you are subscribed to the Google Groups "The Java Posse" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/javaposse?hl=en.
