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Full-chip power map estimation for commercial multi-core microprocessor has been accepted by TCAD

The research work for performing full-chip power and thermal map estimation for commercial multi-core microprocessor under realistic heat sink cooling has been accepted by IEEE Transaction on TCAD, the top journal in the EDA field. This work, leaded by Ph.D. student, Jinwei Zhang, is the first work to accurate estimate the full-chip power and thermal...

Machine learning based full-chip thermal map estimation accepted by TC

The work by Ph.D. student Sherif Sadiqbatcha on real-time full-chip thermal estimation based on the machine learning method for commercial multi-core CPU has been accepted by IEEE Transaction on Computer, the top journal for computer architecture. The is significant work from VSCLAB for using machine learning to generate the full-chip map directly from the tasks...

Senior PhD students in VSCLAB received the internship offers for summer 2021

Most of senior PhD students in VSCLAB have received internship job offers for summer 2021. Sheriff Sadiqbatcha will continue work for Intel Corp. Wentian will work for Synopysis for machine learning related projects. Jinwei Zhang will work for PrimeTime in Synopsys, Shuyuan will work for PrimeShield group in Synopsys.

VSCLAB got togather for a dinner and hiking first time in a year

The PhD students and Dr. Sheldon Tan got together for the first time on March 26, 2021 for a hiking in the park in Central Ave in Riverside and dinner later in the Riverside plaza for the first time since the pandemic. It is really a joyful to meet most everyone in person for the...

PhD student Shaoyi Peng successfully defended his thesis

Ph.D. student, Shaoyi Peng successfully defensed her thesis titled "Modeling and Simulation methods for VLSI Interconnect Reliability Focusing on TDDB". Shaoyi joined the VSCLAB in 2016 and he worked on the VLSI reliability modeling and GPU based parallel simulation. Shaoyi will join the Cerebras System, an AI chip startup as a senior engineer after graduation...

PhD student Han Zhou successfully defended her thesis

Ph.D. student, Han Zhou successfully defensed her thesis titled "Electromigration-Aware On-Chip Power Grid Design and Optimization". Han joined the VSCLAB in 2016 and she worked on the EM power grid optimization. Han will join Synopsys's IC compiler group as a senior engineer after graduation. We wish her the best for her future endeavors.

Two DAC 2021 papers accepted

Two DAC 2021 paper from VSCLAB have been accepted. The first paper, led by PhD student Shyuan Yu, proposes a new approximate multiple using improved stochastic computing (called counter-based SC) techniques and showed significant advantages over existing state of the art approximate adders on DNN network applications. Congratulations on Shuyuan. COSAIM: Counter-based Stochastic-behaving Approximate Integer...

One DATE 2021 paper published

Our recent work based on the physics-constrained deep learning framework for electrostatics analysis was published in DATE 2021. In this work, we developed a label free self-learning method to solve differential equations for electrostatic analysis, which is important for reliability and capacitance extraction method. W. Jin, S. Peng, and S. X.-D. Tan, “Data-driven electrostatics analysis...

Two papers published in MLCAD 2020

Two papers were published in MLCAD, the new ACM/IEEE conference focusing on the machine learning techniques for design automation techniques. The first paper by Ph.D. student Shaoyi Peng developed an auto-encoder/decoder like DNN networks for analysis TDDB reliability effects. The second paper by Ph.D. student Jinwei Zhang developed an efficient reinforcement learning based hotspot-aware task...

Three ICCAD 2021 published and one nominated for Best Paper Award

Three papers from our lab have been published recently. The first paper/work exploits the differential natural of DNN networks to significantly speedup the gradient based optimization method for power grid networks subject to electromigration constraints. This work was led by Ph.D. student Han Zhou and it also was nominated as the Best Paper Award. H...

ICCD paper on GAN based analysis for electromigration has been nominated as Best Paper Award

Our recent paper published in ICCD 2021 has been nominated as the Best Paper Award. Ph.D. student Wentian Jin developed new GAN (Generative Adversary Network) based analysis method for solving the partial differential equations for electromigration. W. Jin, S. Sadiqbatcha, Z. Sun, H. Zhou and S. X.-D. Tan, “EM-GAN: Data-driven fast stress analysis for multi-segment...

CASES'20 paper (ESWEEK 2020) published.

Our recent work for using stochastic computing for dynamic reliability and power management has been accepted by the top embedded conference, CASES'20 (ESWEEK 2020). This is the first work to explore the dynamic reliability management using the improved stochastic computing method. The work is led by Ph.D. student Shuyuan Yu. S. Yu, H. Zhou, H...

2019 CiteScore and Impact Factor for Integration released

Elsevier just released the new CiteScore and Impact Factor for the Integration, the VLSI Journal, the CiteScore (CS) is 2.6, Impact Factor (IF) is 1.214. This is a good improvement from 2.2 for CS and 1.15 for IF from 2018. Prof. Tan was the Editor in Chief for Integration since 2016. CiteScore of a journal...

Three PhD students accepted into 2020 DAC Young Fellows Program

Three PhD students from VSCLAB, Mohammadamir Kavousi, Yibo Liu and Maliha Tasnim, were accepted into the DAC Young Fellows Program. They will attend the first virtual 57th Design Automation Conferences in July, 2020. Congratulations on them.

VSCLAB students head for interns for summer 2020

Most of senior PhD students in VSCLAB headed to industry intern jobs in summer 2020. Have funs and enjoy! Sheriff Sadiqbatcha will work for Intel Corp, Shaoyi Peng will work Cerebras System, an AI chip startup, Han Zhou will work for PrimePower group in Synopsys, Jinwei Zhang will work for Spectre group in Cadence, Wentian...

Research work on machine-learning based thermal hotspot modeling has been accepted for TCAD

Sheriff Sadiqbatcha and Jinwei Zhang's work on machine learning based hotspot identification for commercial multi-core processors has been accepted by IEEE Transaction on CAD, the primary journal in EDA area. This work presents a significant advance for transient hotspot identifications using latest recurrent neural networks for commercial multi-core processors. The method can be used for...

Coupled analysis of electromigration and thermomigration work accepted by TCAD

Visiting Ph.D. student, Liang Chen's work on new semi-analytic solution for combined electromigration and thermomigration for general multi-segment interconnect wires has been accepted by IEEE Transaction on Computer-Aided Design. This work show the thermomigration can plays a significant roles on EM-failure and we developed a new approach to consider the Joule heating induced temperature spatial...

NSF funded research using machine learning for VLSI reliability modeling and robust chip design

Prof. Sheldon Tan received a three-year $500K award (CCF-2007135) from National Science Foundation for exploring data-driven and deep learning based approaches to addressing the VLSI reliability and robust chip design. Recently machine learning, especially deep learning is gaining much attention due to the breakthrough performance in various cognitive applications. Machine learning for electronic design automation...

VSCLAB released EMspice -- coupled EM-IR drop analysis tool for full-chip EM and IR check and sign-off

VSCLAB released the EMspice -- coupled EM-IR drop analysis tool for full-chip EM and IR check and sign-off. This is first tool to perform the full-chip EM-IR drop co-simulation to assess the EM-induced IR drop at specific targeted lifetime. The research work, leaded by Ph.D. student Zeyu Sun, has been published recently in IEEE Transaction...

Ph.D. student Sheriff Sadiqbatcha won the DYP award from UCR graduate division

April 23, 2020, Ph.D. student Sheriff Sadiqbatcha won the prestigious Dissertation Year ProgramFellowship award from UCR graduate division to support his Ph.D. study at UCR. The award will provide one quarter stipend support for Sheriff. This is highly competitive award for UCR phd graduate students.