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Events on April, 2022

The Future of Hardware Technologies for Computing: N3XT 3D MOSAIC,Illusion Scaleup, Co-Design

Date: April 21st, 2022

Speaker:  Prof. Subhasish Mitra, Dept. of EE and Dept. of CS, Stanford University

The computation demands of 21st-century abundant-data workloads, such
as AI / machine learning, far exceed the capabilities of today’s
computing systems. For example, a Dream AI Chip would ideally
co-locate all memory and compute on a single chip, quickly accessible
at low energy. Such Dream Chips aren’t realizable today. Computing
systems instead use large off-chip memory and spend enormous time and
energy shuttling data back-and-forth. This memory wall gets worse with
growing problem sizes, especially as conventional transistor
miniaturization gets increasingly difficult. The next leap in
computing performance requires the next leap in integration. Just as
integrated circuits brought together discrete components, this next
level of integration must seamlessly fuse disparate parts of a system
– e.g., compute, memory, inter-chip connections – synergistically for
large energy and execution time benefits.

This talk presents transformative NanoSystems by exploiting the unique
characteristics of emerging nanotechnologies and abundant-data
workloads. We create new chip architectures through ultra-dense (e.g.,
monolithic) 3D integration of logic and memory – the N3XT 3D approach.
Multiple N3XT 3D chips are integrated through a continuum of chip
stacking/interposer/wafer-level integration — the N3XT 3D MOSAIC. To
scale with growing problem sizes, new Illusion systems orchestrate
workload execution on N3XT 3D MOSAIC creating an illusion of a Dream
Chip with near-Dream energy and throughput. Beyond existing
cloud-based training, we demonstrate the first non-volatile chips for
accurate edge AI training (and inference) through new incremental
training algorithms that are aware of underlying non-volatile memory
technology constraints.

Several hardware prototypes demonstrate the effectiveness of our
approach. We target 1,000X system-level energy-delay-product benefits,
especially for abundant-data workloads. Such large benefits enable
coming generations of applications that push new frontiers, from
deeply-embedded computing systems all the way to the cloud.


Subhasish Mitra is Professor of Electrical Engineering and of Computer
Science at Stanford University. He directs the Stanford Robust Systems
Group, leads the Computation Focus Area of the Stanford SystemX
Alliance, and is a member of the Wu Tsai Neurosciences Institute. His
research ranges across Robust Computing, NanoSystems, Electronic
Design Automation (EDA), and Neurosciences. Results from his research
group have influenced almost every contemporary electronic system, and
have inspired significant government and research initiatives in
multiple countries. He has held several international academic
appointments — the Carnot Chair of Excellence in NanoSystems at
CEA-LETI in France, Invited Professor at EPFL in Switzerland, and
Visiting Professor at the University of Tokyo in Japan. Prof. Mitra
also has consulted for major technology companies including Cisco,
Google, Intel, Samsung, and Xilinx.

In the field of Robust Computing, he has created many key approaches
for circuit failure prediction, on-line diagnostics, QED system
validation, soft error resilience, and X-Compact test compression.
Their adoption by industry is growing rapidly, in markets ranging from
cloud computing to automotive systems. His X-Compact approach has
proven essential for cost-effective manufacturing and high-quality
testing of almost all 21st century systems, enabling billions of
dollars in cost savings.

With his students and collaborators, he demonstrated the first carbon
nanotube computer. They also demonstrated the first 3D NanoSystem with
computation immersed in data storage. These received wide recognition:
cover of NATURE, Research Highlight to the US Congress by the NSF, and
highlight as “important scientific breakthrough” by global news

Prof. Mitra’s honors include the Harry H. Goode Memorial Award (by the
IEEE Computer Society for outstanding contributions in the information
processing field), Newton Technical Impact Award in EDA (test-of-time
honor by ACM SIGDA and IEEE CEDA), the University Researcher Award (by
the Semiconductor Industry Association and Semiconductor Research
Corporation to recognize lifetime research contributions), the Intel
Achievement Award (Intel’s highest honor), and the US Presidential
Early Career Award. He and his students have published over 10
award-winning papers across 5 topic areas (technology, circuits, EDA,
test, verification) at major venues including the Design Automation
Conference, International Solid-State Circuits Conference,
International Test Conference, Symposium on VLSI Technology, and
Formal Methods in Computer-Aided Design. Stanford undergraduates have
honored him several times “for being important to them.” He is an ACM
Fellow and an IEEE Fellow.

Admission Fee:

All admissions free. Suggested donations:

Non-IEEE:  $5, Students (non-IEEE): $3, IEEE Members (not members of CASS or SSCS): $3

Date and time

Thursday, April 21st, 2022, 6:00 PM – 7:00 PM PST


Online event

Register:Registration Link

  • April 2022
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