Seminar – “Normally-off“ Computing for Smart Systems

On december 05, We have the pleasure to welcome professor Lionel TORRES from Polytech Montpellier, Université de Montpellier. He comes at Grenoble for the PHD defense of Luc TILLIE at 14H. He kindly takes this opportunity to give us a seminar at 10:15, CEA/Spintec, Bat. 1005, room 434A entitled :

“Normally-off“ Computing for Smart Systems

The scaling limits of CMOS have pushed many researchers to explore alternative technologies for beyond CMOS circuits. In addition to the increased device variability and process complexity led by the continuous decreasing size of CMOS transistors, heat dissipation effects limit the density and speed of current systems-on-chip. For beyond CMOS systems, the emerging memory technology STT-MRAM is seen as a promising alternative solution. This talk shows first how STT- MRAM can improve energy efficiency and reliability of future systems (HPC & Embedded Systems). We will present the potential of STT-MRAM to design non-volatile processor with two interesting capabilities for energy-efficient, reliable and secure embedded systems (instant-on/off and rollback). We will also discuss about a hybrid design exploration flow to investigate the overall performance impact of using STT-MRAM into the memory hierarchy of HPC systems.

biography :
Lionel Torres obtained respectively his Master and PhD degree in 1993 and 1996 from the University of Montpellier. From 1996 to 1997 he was in ATMEL company as IP core methodology R&D engineer (in France and US). From 1997 to 2004 he was assistant professor at the University of Montpellier, Polytech Montpellier (Microelectronic design) and LIRMM laboratory. Since 2004, he is full Professor and was at the head of the Microelectronic department of the LIRMM from 2007 to 2010. He is now deputy head of Polytech Montpellier (engineering school of Montpellier) in charge of research, industrial and international relationship. He is at the head of the Labex NUMEV (Laboratory of Excellence on digital hardware solutions, Environmental and Organic Life Modeling). His research interests and skills concern system level architecture, with a specific focus on Non-Volatile Computing based on emerging technologies, especially MRAM. He leads several European, national and industrial projects in this field. He is involved in different major conference as DATE, VLSI, FPL, ISVLSI, DAC and is (co)author of more than 60 journal papers and 170 conference publications and 10 patents.


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