Watson panel discussions last week at RPI. See archived video. http://watson.rpi.edu/ <http://watson.rpi.edu/>
On Mon, Feb 21, 2011 at 9:49 AM, Jesse K Ziter <[email protected]> wrote: > Reddit did an AMA > > http://www.reddit.com/r/IAmA/comments/fnfg3/by_request_we_are_the_ibm_research_team_that/ > > > On Thu, Feb 17, 2011 at 10:30 PM, Jim Doherty <[email protected]>wrote: > >> On 2/17/2011 3:51 PM, Luther Woodrum wrote: >> >>> >>> >>> On Thu, 17 Feb 2011, Cranky Frankie wrote: >>> >>> - When you see Watson being rack after rack of servers, for an >>>> old-timer like me who remembers the mainframes, it's still kind of a >>>> shock. >>>> >>> >>> Not so much any more. Even the dinky little 12 core machine I am putting >>> together can have up to 256G of memory. But I'm only starting with 16G, >>> and upgrade later to 64G when it's time to start running production. >>> >>> Speaking of memory, in 1987, when I retired from IBM, only one >>> mainframe in Pok had more than 16MB of memory, and it was 32MB. >>> None of the other msinframes had more than 16MB. >>> >>> On my 80287 pc, I had 16MB of memory, and ran APL, which used it all >>> in one workspace. I was able to read in 150,000 line listing files >>> and do string seraches on the entire collection. It saved me an >>> enormous amount of time. >>> >>> - You wonder if the OS was AIX, their version of Unix, or something >>>> else. >>>> >>> >>> AIX 6.x drives the powerpc. >>> >>> >> NCSA picked Linux for their Blue Waters POWER7 super computer. >> >> >> Jim >> >> >> - Clearly they had everything indexed and in core, but you wonder what >>>> the database architecture was: - relational as in some version of DB2, >>>> or hierarchical like IMS or even XML, or a linked list, or something >>>> built one-off for this like Google's "Big Table" >>>> >>> >>> I don't think you will find any linked lists in there. >>> The 100+ powerpcs have a combined memory of about 15 TB. >>> It is all in memory. >>> >>> Each powerpc, at least 32 core, has at least 256G of memory. >>> >>> Lex >>> _______________________________________________ >>> Mid-Hudson Valley Linux Users Group http://mhvlug.org >>> http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug >>> >>> Upcoming Meetings (6pm - 8pm) MHVLS Auditorium >>> Mar 2 - MHVLUG 8th Anniversary - Show and Tell >>> Apr 6 - Introduction to IPv6 >>> May 4 - Inkscape >>> >>> >>> >> _______________________________________________ >> Mid-Hudson Valley Linux Users Group http://mhvlug.org >> http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug >> >> Upcoming Meetings (6pm - 8pm) MHVLS Auditorium >> Mar 2 - MHVLUG 8th Anniversary - Show and Tell >> Apr 6 - Introduction to IPv6 >> May 4 - Inkscape >> > > > > -- > Regards, > Jesse K. Ziter > JKZfixme.com > (845) 476-8094 > > > > _______________________________________________ > Mid-Hudson Valley Linux Users Group http://mhvlug.org > http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug > > Upcoming Meetings (6pm - 8pm) MHVLS Auditorium > Mar 2 - MHVLUG 8th Anniversary - Show and Tell > Apr 6 - Introduction to IPv6 > May 4 - Inkscape > >
_______________________________________________ Mid-Hudson Valley Linux Users Group http://mhvlug.org http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug Upcoming Meetings (6pm - 8pm) MHVLS Auditorium Mar 2 - MHVLUG 8th Anniversary - Show and Tell Apr 6 - Introduction to IPv6 May 4 - Inkscape
