Papers

• ADAHESSIAN: An Adaptive Second Order Optimizer for Machine Learning
  Z. Yao, A. Gholami, S. Shen, M. Mustafa, M. Mahoney, K. Keutzer
  arxiv preprint (2006.00719), 2020.



• Rethinking Batch Normalization in Transformers
  S. Shen, Z. Yao, A. Gholami, M. Mahoney, K. Keutzer
  ICML (Accepted), 2020.



• ZeroQ: A Novel Zero Shot Quantization Framework,
  Y. Cai, Z. Yao, Z. Dong, A. Gholami, M. Mahoney, K. Keutzer
  Accepted in CVPR, 2020. [Code]



• PyHessian: Neural Networks Through the Lens of the Hessian,
  Z. Yao, A. Gholami, K. Keutzer, M. Mahoney
  Spotlight at ICML'20 workshop on Beyond First-Order Optimization Methods in Machine Learning, 2020. [Code]



• HAWQ-V2: Hessian Aware trace-Weighted Quantization of Neural Networks,
  Z. Dong, Z. Yao, Y. Cai, D. Arfeen, A. Gholami, M. Mahoney, K. Keutzer
  (arxiv:1911.03852), 2019.



• Checkmate: Breaking the Memory Wall with Optimal Tensor Rematerialization,
  P. Jain, A. Jain, A. Nrusimha , A. Gholami, P. Abbeel, K. Keutzer, I. Stoica, J. Gonzalez
  Conference on Machine Learning and Systems (MLSys), 2020. [Code]



• Q-BERT: Hessian Based Ultra Low Precision Quantization of BERT,
  S. Shen, Z. Dong, J. Ye, L. Ma, Z. Yao, A. Gholami, M. Mahoney, K. Keutzer,
  AAAI, 2020.



• ANODEV2: A Coupled Neural ODE Evolution Framework,
  T. Zhang, Z. Yao, A. Gholami, K Keutzer, J. Gonzalez, G. Biros, MW. Mahoney,
  NeurIPS, 2019.



• HAWQ: Hessian AWare Quantization of Neural Networks with Mixed-Precision,
  Z Dong, Z Yao, A Gholami, K Keutzer, MW Mahoney,
  ICCV, 2019.



• Inefficiency of K-FAC for Large Batch Size Training,
  L. Ma, G. Montague, J. Ye, Z. Yao, A. Gholami, K. Keutzer, MW. Mahoney,
  AAAI, 2020.



• ANODE: Unconditionally AccurateMemory-Efficient Gradients for Neural ODEs,
  A. Gholami, K. Keutzer, G. Biros,
  International Joint Conferences on Artificial Intelligence (IJCAI), 2019.



• Trust region based adversarial attack on neural networks,
  Z. Yao, A. Gholami, P. Xu, K. Keutzer, and M. Mahoney,
  CVPR, 2019.



• A Novel Domain Adaptation Framework for Medical Image Segmentation,
  A. Gholami, S. Subramanian, V. Shenoy, N. Himthani, X. Yue, S. Zhao, P. Jin, G. Biros, K. Keutzer,
  Lecture Notes in Computer Science (LNCS), Springer, 2018.



• Simulation of glioblastoma growth using a 3D multispecies tumor model with mass effect,
  S. Subramanian, A. Gholami, G. Biros,
  Journal of Mathematical Biology (JMatBio), 2019.



• Large Batch Size Training of Neural Networks with Adversarial Training and Second-Order Information,
  Z. Yao, A. Gholami, K. Keutzer, M. Mahoney,
  arxiv preprint, arxiv:1810.01021, 2018.



• On the Computational Inefficiency of Large Batch Sizes for Stochastic Gradient Descent,
  N. Golmant, N. Vemuri, Z. Yao, V. Feinberg, A. Gholami, K. Rothauge, M. Mahoney, J. Gonzalez,
  arxiv preprint, arxiv:1811.12941, 2018.



• Co-Design of Deep Neural Nets and Neural Net Accelerators for Embedded Vision Applications,
  K. Kwon, A. Amid, A. Gholami, B. Wu, K. Keutzer,
  Design Automation Conference (DAC), 2018.



• Hessian-based Analysis of Large Batch Training and Robustness to Adversaries,
  Z. Yao, A. Gholami, Q. Lei, K. Keutzer, M. Mahoney,
  NeurIPS, 2018.



• Integrated Model, Batch and Domain Parallelism in Training Neural Networks,
  A. Gholami, A. Azad, P. Jin, K. Keutzer, A. Buluc,
  ACM Symposium on Parallelism in Algorithms and Architectures(SPAA), 2018.



• Shift: A zero flop, zero parameter alternative to spatial convolutions,
  B. Wu, A. Wan, X. Yue, P. Jin, S. Zhao, N. Golmant, A. Gholami, J. Gonzalez, K. Keutzer,
  CVPR (Spotlight talk), 2018.



• Personalized Emotion Recognition by Personality-aware High-order Learning of Physiological Signals,
  S. Zhao, A. Gholami, G. Ding, J. Han, K. Keutzer,
  ACM Transactions on MultiMedia Computing, 2018.



• CLAIRE: A distributed-memory solver for constrained large deformation diffeomorphic image registration,
  A. Mang, A. Gholami, C. Davatzikos, G. Biros,
  SIAM Journal on Scientific Computing, 2019.



• Coupling brain-tumor biophysical models and diffeomorphic image registration,
  K. Scheufele, A. Mang, A. Gholami, C. Davatzikos, G. Biros, and M. Mehl,
  Computer Methods in Applied Mechanics and Engineering, 2019.



• SIBIA-GlS: Scalable biophysics-based image analysis for glioma segmentation,
  A. Mang, S. Tharakan A. Gholami, N. Himthani, S. Subramanian, J. Levitt, M. Azmat, K. Scheufele, M. Mehl, C. Davatzikos, B. Barth, and G. Biros,
  The multimodal brain tumor image segmentation benchmark (BRATS), MICCAI, 2017.



• A framework for scalable biophysics-based image analysis,
  A. Gholami, A. Mang, K. Scheufele, C. Davatzikos, M. Mehl, and G. Biros,
  Proceedings of ACM/IEEE SuperComputing Conference (SC), 2017.



• PDE constrained optimization in medical image analysis,
  A. Mang, A. Gholami, C. Davatzikos, and G. Biros,
  Optimization and Engineering, 2017.



• Distributed-memory large-deformation diffeomorphic 3D image registration,
  A. Mang, A. Gholami, and G. Biros,
  Proceedings of ACM/IEEE SuperComputing Conference (SC), 2016.



• AccFFT: A library for distributed-memory FFT on CPU and GPU architectures,
  A. Gholami, J. Hill, D. Malhotra, and G. Biros,
  arxiv preprint, arxiv:1506.07933, 2018.



• A volume integral equation Stokes solver for problems with variable coefficients,
  D. Malhotra, A. Gholami, and G. Biros,
  Proceedings of ACM/IEEE SuperComputing Conference (SC), 2014 (Best Student Paper Finalist).



• An inverse problem formulation for parameter estimation of a reaction–diffusion model of low grade gliomas,
  A. Gholami, A. Mang, and G. Biros,
  Journal of mathematical biology, Vol. 72, pp 409-433, 2015.



• FFT, FMM, or Multigrid? A comparative Study of State-Of-the-Art Poisson Solvers for Uniform and Nonuniform Grids in the Unit Cube,
  A. Gholami, D. Malhotra, H. Sundar and G. Biros. ,
  SIAM Journal on Scientific Computing, Vol. 38 (3), 2016.

Workshops

• Trace weighted Hessian-aware quantization,
  Z. Dong, Z. Yao, D. Arfeen, Y. Cai, A. Gholami, M. Mahoney, and K. Keutzer,
  Spotlight at NuerIPS'19 workshop on Beyond First-Order Optimization Methods in Machine Learning, 2019.



• Parameter re-initialization through cyclical batch- scheduling,
  N. Mu, Z. Yao, A. Gholami, K. Keutzer, and M. Mahoney,
  SysML Workshop at NuerIPS, 2018.



• SqueezeNext: Hardware-Aware Neural Network Design,
  A. Gholami, K. Kwon, B. Wu, Z. Tai, X. Yue, P. Jin, S. Zhao, K. Keutzer,
  ECV Workshop at CVPR, 2018.



• Communication analysis of hybrid model and data parallelism in training neural networks,
  Amir Gholami, Ariful Azad, Kurt Keutzer, and Aydin Buluc,
  Deep Learning at Supercomputer Scale, NeurIPS, 2017.

Selected Talks

• UC Berkeley, RiseLab Retreat, Jan. 2020,
  HAWQ-V2: Hessian Aware trace-Weighted Quantization of Neural Networks.
  



• UC Berkeley, BLISS Seminar, Oct. 2019,
  Systematic Quantization of Neural Networks Through Second-Order Information.
  



• Facebook, AI Systems Faculty Summit, Sep. 2019,
  Efficient Neural Networks through Systematic Quantization.
  



• BSTARS'19, Berkeley Statistics Department, Mar. 2019,
  Neural Networks Through the Lens of the Hessian.
  



• Berkeley Simons Institute, 5th Annual Industry Day, Feb. 2019,
  ANODE: Unconditionally Accurate Memory-Efficient Gradients for Neural ODEs.
  



• Simons Randomized Numerical Linear Algebra and Applications Workshop, Sep. 2018,
  Large Scale Stochastic Training of Neural Networks.
  



• Simons Data Science Finale Workshop, Dec. 2018,
  Towards Robust Second-order Training of Neural Networks.
  



• Simons Weekly Optimization Reading Group, Oct. 2018,
  Second order optimization for convex and non-convex problems.
  



• NERSC Data Seminar, Dec. 2018,
  Beyond SGD: Robust Optimization and Second-Order Information for Large-Scale Training of Neural Networks .
  



• Stanford, CME 510: Linear Algebra and Optimization Seminar, Nov. 2018,
  Large-scale training of Neural Networks .
  



• UCSF Radiology Department, Oct. 2018 ,
  A Domain Adaptation framework for Neural Network Based Medical Image Segmentation.
  



• Intel AI Meeting, Oct. 2018,
  Autonomous Driving Challenges in Computer Vision Research.
  



• Facebook AI Research, Sep. 2018,
  Challenges for Distributed Training of Neural Networks.
  



• Microsoft Research, Aug. 2018,
  Large Scale Training of Neural Networks .
  



• Berkeley Scientific Computing and Matrix Computations Seminar, Sep. 2017,
  A Framework for Scalable Biophysics-based Image Analysis .
  



• Stanford, ICME Star Talk Series, 2017,
  Fast algorithms for inverse problems with parabolic pde constraints with application to biophysics-based image analysis,
  



• SIAM Minisymposium on Imaging Sciences, Albuquerque, NM, USA, 2016,
  On preconditioning Newton method for PDE constrained optimization problems.
  



• 13th U.S. National Congress on Computational Mechanics, San Diego, CA, USA, 2015,
  Challenges for exascale scalability of elliptic solvers using a model Poisson solver and comparing state-of-the art methods.
  



• SIAM CSE Minisymposium, Salt Lake, Utah, USA, 2015,
  Parameter estimation for malignant brain tumors.
  



• 12th U.S. National Congress on Computational Mechanics, Raleigh, NC, USA, 2013,
  A numerical algorithm for biophysically-constrained parameter estimation for tumor modeling and data assimilation with medical images.
  



• SIAM Annual Meeting, San Diego, CA, USA, 2013,
  Image-driven inverse problem for estimating initial distribution of brain tumor modeled by advection-diffusion-reaction equation.
  

Patents

• Dynamic directional rounding,
  A. Fit-Florea, A. Gholami, B. Ginsburg, and P. Davoodi.
  Approved by Nvidia Patent Office (US patent pending), 2018.



• Tensor processing using low precision format,
  B. Ginsburg, S. Nikolaev, A. Kiswani, H. Wu, A. Gholami, S. Kierat, M. Houston, and A. Fit-Flores.
  United States patent application US 15/624,577. 2017 Dec 28.



• High performance inplace transpose operations,
  A. Gholami and B. Natarajan,
  United States patent US 10,067,911, 2018.



• Pool boiling cooling system.,
  A. Gholami, R. Hosseini, M. Nabil, and M. H. Samadinia.
  Iran Industrial Property Office, 68033, 2010.