[Crib-list] SPEAKER: Peter Kogge (EMU Technology) | CRIBB Seminar | Friday, August 3, 2018 | TIME: 12:00 Noon - 1:00 PM | Building 36, Room 462

[Shirley Entzminger]

 	COMPUTATIONAL RESEARCH in BOSTON and BEYOND Seminar  (CRIBB)


DATE:		Friday, August 3, 2018

TIME:		12:00 PM - 1:00 PM

LOCATION:	Building 36, Room 462   (NOTE location)
 		    (Enter at 34 Vassar Street)

 	LUNCH (Pizza) provided at 11:45 AM inside Room 36-462


TITLE:		Migratory Memory-Side Processing:
 		    Breakthrough Architecture for Memory-Centric
 		    Computing


SPEAKER:	Peter Kogge  (EMU Technology)


ABSTRACT:

Conventional computer architectures poorly handle cache-unfriendly 
applications.  The problem stems in part from the irregular memory-access 
patterns exhibited by these applications and in how remote memory accesses are 
handled. Today's data intensive applications, such as sparse-matrix linear 
algebra and graph analytics, do not exhibit the same locality traits as 
compute-intensive applications, resulting in the latency of individual memory 
accesses overwhelming the advantages of deeply pipelined fast cores.

The "weak-locality" that data-intensive applications do exhibit — where 
irregular accesses occur within a large memory region of several gigabytes 
— can be exploited by an innovative architectural approach.  The Emu 
Mirgratory Memory-Side Processing architecture provides a highly 
efficient, fine-grained memory system and migrating threads that move the 
thread state, as new memory locations are accessed, without explicit 
program directives. The "put-only" communication model dramatically 
reduces thread latency and total network bandwidth load as return trips 
and cache coherency are eliminated.

This talk covers: how the architecture delivers orders of magnitude reduction 
in data movement, inter-process communication and energy requirements; the 
familiar programming model selected for the architecture which makes it 
accessible to programmers and data scientists; real-world results of graph 
analytics and sparse algorithms that validate the architectural vision.

 		*********************************

BIO:

Dr. Peter Kogge is a Chaired Professor in Notre Dame's Department of 
Computer Science and Engineering.  Peter is an IBM Fellow and the 2012 
Seymour Cray Award winner among other awards. Prior to academia, he spent 
26 yrs. with IBM Federal. Peter’s undergraduate degree is from Notre Dame 
and he has a Ph.D. from Stanford in Electrical Engineering.


=======================================================

Massachusetts Institute of Technology
Cambridge, MA


For information about the CRIBB Seminar, please visit...


 		http://math.mit.edu/crib/


=====

Shirley A. Entzminger
Administrative Assistant II
Department of Mathematics
Massachusetts Institute of Technology
77 Massachusetts Avenue
Building 2, Room 350A
Cambridge, MA 02139
PHONE:	(617) 253-4347
FAX:	(617) 253-4358
E-mail:	daisymae at math.mit.edu
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