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Author

Atharva Gondhalekar

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Book Open access Sep 2026

Grace or Hopper? A Case Study of Wait-Free Concurrent Queues on the NVIDIA Grace Hopper GH200 Superchip

The NVIDIA GH200 Grace Hopper Superchip combines a Grace CPU and a Hopper GPU in a coherent CPU–GPU system whose architectural differences can expose different bottlenecks for device-local concurrent queues. Thus, this work leverages the CPU-based wait-free queue by Yang and Mellor-Crummey (YMC) as the basis for a case...

P. Shetty, Atharva Gondhalekar, Wu-Chun Feng · 0 citations
Book Open access Sep 2026

Sparsity-aware Fine-Grained Parallelization for Set Intersection Computations in Graph Datasets

Many real-world applications such as bioinformatics, network analysis, and recommendation systems require computing intersections of vertex neighborhood sets in graph datasets. However, variability in graph sparsity patterns makes it challenging to design a single GPU optimization strategy for such workloads that perfo...

Atharva Gondhalekar, Wu-Chun Feng · 0 citations
#edge computing Book Open access Sep 2026

Sparsity-aware Fine-Grained Parallelization for Set Intersection Computations in Graph Datasets

A fine-grained GPU parallelization approach that adapts to workload characteristics by assigning set intersection computations within a graph to the most suitable parallelization strategies, and predicts the optimal parallelization approach between this fine-grained and other state-of-the-art GPU kernels with 88% accur...

Atharva Gondhalekar, Wu-Chun Feng · 0 citations

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