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20242026
most citedParallel implementation of the Density Matrix Renormalization Group method achieving a quarter petaFLOPS performance on a single DGX-H100 GPU node

2 citations · 5 across the 7 of their papers we have counts for

collaborators

7 papers

physics.chem-ph2026

Hunting for quantum advantage in electronic structure calculations is a highly non-trivial task

Örs Legeza, Andor Menczer, Miklós Antal Werner +7

In light of major developments over the past decades in both quantum computing and simulations on classical hardware, it is a serious challenge to identify a real-world problem whe…

physics.chem-ph2026

Efficient Coupled-Cluster Python Frameworks for Next-Generation GPUs: A Comparative Study of CuPy and PyTorch on the Hopper and Grace Hopper Architecture

Antonina Dobrowolska, Julian Świerczyński, Paweł Tecmer +6

In this work, we introduce new batching algorithms to effectively handle large contractions encountered in coupled-cluster singles and doubles (CCSD) implementations in Python on t…

cs.MS2026★ 1 cited

Tensor Algebra Processing Primitives (TAPP): Towards a Standard for Tensor Operations

Jan Brandejs, Niklas Hörnblad, Edward F. Valeev +4

To address the absence of a universal standard interface for tensor operations, we introduce the Tensor Algebra Processing Primitives (TAPP), a C-based interface designed to decoup…

physics.chem-ph2026★ 1 cited

Accelerating Density Fitting with Adaptive-precision and 8-bit Integer on AI Accelerators

Hua Huang, Wenkai Shao, Jeff Hammond

The emergence of artificial intelligence (AI) accelerators like NVIDIA Tensor Cores offers new opportunities to speed up tensor-heavy scientific computations. However, applying the…

physics.chem-ph2025

Mixed-precision ab initio tensor network state methods adapted for NVIDIA Blackwell technology via emulated FP64 arithmetic

Cole Brower, Samuel Rodriguez Bernabeu, Jeff Hammond +5

We report cutting-edge performance results via mixed-precision spin adapted ab initio Density Matrix Renormalization Group (DMRG) electronic structure calculations utilizing the Oz…

physics.chem-ph2025★ 1 cited

Orbital optimization of large active spaces via AI-accelerators

Örs Legeza, Andor Menczer, Ádám Ganyecz +6

We present an efficient orbital optimization procedure that combines the highly GPU accelerated, spin-adapted density matrix renormalization group (DMRG) method with the complete a…

physics.chem-ph2024★ 2 cited

Parallel implementation of the Density Matrix Renormalization Group method achieving a quarter petaFLOPS performance on a single DGX-H100 GPU node

Andor Menczer, Maarten van Damme, Alan Rask +5

We report cutting edge performance results for a hybrid CPU-multi GPU implementation of the spin adapted ab initio Density Matrix Renormalization Group (DMRG) method on current sta…