Does quantum really class as single thread though? I tend to think of it as the ultimate in parallelism...
On Wed, Nov 25, 2009 at 6:31 PM, Jess Holle <[email protected]> wrote: > Agreed. > > So we're talking optical or quantum computers for major single-thread > performance gains, which are in the works, but clearly not right around the > corner. > > > Casper Bang 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]> > <[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]> > <[email protected]> wrote: > > > http://en.wikipedia.org/wiki/High-temperature_superconductivity > > On Wed, Nov 25, 2009 at 17:17, Jan Goyvaerts <[email protected]> > <[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]> > <[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%2bunsubscr...@googlegroups > .com> <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 > [email protected]<javaposse%2bunsubscr...@googlegroups > .com> <javaposse%[email protected]> > . > For more options, visit this group > athttp://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. > > > > > > > -- > 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.
