Talks

PDF slides of some of my recent talks.

Monotonicity of Multi-Term Floating-Point Adders. AriC team seminar, ENS Lyon. Apr. 2024.

Implementation and Standardization of Stochastic Rounding. TARAN team seminar, Inria Rennes - Bretagne Atlantique. Apr. 2024.

Discussion on Rounding. Standard for Arithmetic Formats for Machine Learning. IEEE P3109 Working Group. Oct. 2023.

Implementation of Stochastic Rounding. Minisymposium on Stochastic Rounding for Reduced-Precision Arithmetic in Scientific Computing. ICIAM 2023. Tokyo, Japan. Aug. 2023.

Numerical Features of Low-Precision Mathematical Hardware. Argonne National Lab, Mathematics and Computer Science division, CS Seminar Series. Chicago, IL, US (online). Jun. 2023.

Stochastic Rounding: Implementation, Error analysis, and Applications. Manchester SIAM-IMA Student Chapter Conference. Manchester, UK. Apr. 2023.

Monotonicity of Multi-Term Floating-Point Adders. Minisymposium on Mixed Precision Algorithms in Numerical Linear Algebra. SIAM CSE23. Amsterdam, the Netherlands. Mar. 2023.

Matrix Multiplication in Multiword Arithmetic: Error Analysis and Application to GPU Tensor Cores. 92nd Annual Meeting of GAMM. RWTH Aachen University, Aachen, Germany. Aug. 2022.

Anymatrix: An Extensible MATLAB Matrix Collection. 7th IMA Conference on Numerical Linear Algebra and Optimization. University of Birmingham, Birmingham, UK. Jun. 2022.

Numerical Behavior of GPU Matrix Multiple-Accumulate Hardware. Minisymposium on Understanding and Exploiting Mixed-Precision Accelerators for High-Performance Computing. SIAM PP22. Seattle, Washington, US. Feb. 2022 (Virtual).

Statistinis Apvalinimas ir Nauji Skaičių Formatai Superkompiuteriuose. 10th Lithuania's Young Mathematicians' Meeting (LJMS 2021). Dec. 2021.

A Trick for an Accurate e^−|x| Function in Fixed-Point Arithmetics. 19th International Symposium on Scientific Computing, Computer Arithmetic, and Verified Numerical Computations (SCAN2020). Sep. 2021 (Virtual). MATLAB code.

Stochastic Rounding: Algorithms and Hardware Accelerator. 2021 International Joint Conference on Neural Networks (IJCNN). Jul. 2021 (Virtual).

Numerical Behavior of NVIDIA Tensor Cores. ECP xSDK-multiprecision team meeting. Jul. 2021 (Virtual).

Algorithms for Stochastically Rounded Elementary Arithmetic Operations in IEEE 754 Floating-Point Arithmetic. 28th IEEE Symposium on Computer Arithmetic (ARITH). Jun. 2021 (Virtual).

Numerical Behaviour of NVIDIA Tensor Cores. Technical talk for Numerical Algorithms Group (NAG). May 2021 (Virtual).

Algorithms for Stochastically Rounded Elementary Arithmetic Operations in IEEE 754 Floating-Point Arithmetic. Minisymposium on Reduced Precision Arithmetic and Stochastic Rounding (full program). SIAM CSE21. Fort Worth, Texas, US. Mar. 2021 (Virtual).

Low-Precision Arithmetics and Stochastic Rounding. Talk at the University of Oxford. Jul. 2020 (Virtual).

Numerical accuracy of the Izhikevich neuron model in fixed-point arithmetic. SpiNNaker Group talk at the University of Manchester. Jul. 2019.

Energy-accuracy trade-offs in floating-point arithmetic architectures. SpiNNaker Group talk at the University of Manchester. Dec. 2018.

Some fixed-point arithmetic tricks on SpiNNaker. SpiNNaker Group talk at the University of Manchester. Sep. 2018.

Approximate Fixed-Point Elementary Function Accelerator for the SpiNNaker-2 Neuromorphic Chip. 25th IEEE Symposium on Computer Arithmetic (ARITH). Jun. 2018.

Results from profiling SpiNNaker-1 and early ideas on SpiNNaker-2 accelerators. SpiNNaker Group talk at the University of Manchester. Apr. 2018.

Next Generation SpiNNaker Chip Update: Developing Numerical Accelerators. SpiNNaker Group talk at the University of Manchester. Dec. 2017.

Neuromodulated STDP learning rule on SpiNNaker. SpiNNaker Group talk at the University of Manchester. Aug. 2017.

Real-Time Garbage Collection for history traces in plasticity algorithms on SpiNNaker. SpiNNaker Group talk at the University of Manchester. Mar. 2017.

Improving performance of synapse processing in massively parallel neuromorphic systems. Talk for the course Scientific Methods II - Fundamental Aspects of Research Methodology at the University of Manchester. Feb. 2017.