On Fri, Sep 21, 2007 at 09:48:01AM -0400, Lennart Sorensen wrote: > On Tue, Sep 18, 2007 at 06:29:31PM -0400, Douglas A. Tutty wrote: > > > Where would you go for floating point? Last time I looked, Cray used > > Opterons as nodes in its supercomputers. > > True, but in terms of memory bandwidth the opteron is very good, and > hypertransport allows them to pop fpga's and other custom logic chips > into cpu sockets and have amazing acess to the main cpus and memory at > quite low cost. After all if you can turn your key calculation into a > hardware operation in an fpga, a general purpose cpu generally has no > hope of competing.
Now we just need fpga's to become as comodity as Opterons, then get the kernel to use them. :)) Doug. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
