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cuSPARSE

productactivecusparse-018ec5f9·1 events·first seen May 20, 2026

Aliases: cuSPARSE

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cuBLAS block-sparse GPU kernels block-sparse weights OpenAI

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block sparse matrices Sparse Circuits Sparse Transformer sparse attention block-sparse weights block-sparse GPU kernels Graph Sparse Sampling sparse gating Sparse Autoencoder cuBLAS ProbSparse Attention Block Sparse Attention

Recent events (1)

4Openai Blog·May 20, 2026·source ↗

OpenAI Releases Block-Sparse GPU Kernels for Sparse Neural Networks

OpenAI released optimized GPU kernels targeting block-sparse neural network architectures, claiming orders-of-magnitude speedups over cuBLAS and cuSPARSE depending on sparsity level. The kernels were applied to achieve state-of-the-art results in text sentiment analysis and generative modeling of text and images. This release represents an early infrastructure contribution toward efficient sparse computation in deep learning.

Training Infrastructure Inference Economics cuBLAS cuSPARSE block-sparse GPU kernels +2 more