#fabric

The Fabric

NDIF consists of three complementary parts: a nationwide HPC fabric, the NNsight open-source library, and a training program for AI researchers.

The NDIF computing backbone is DeltaAI, housed at NCSA (University of Illinois Urbana-Champaign) — featuring 320 NVIDIA H100 GPUs delivering over 630 petaflops of compute. NNsight is our open-source PyTorch-based toolkit (850+ GitHub stars) that lets researchers inspect and modify model internals with a single remote=True flag. Our training program, developed with PIT-UN (a consortium of 63 universities), brings workshops and resources to the broader research community.

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