ANTIC: Adaptive Neural Temporal In-situ Compressor

• URL: http://arxiv.org/abs/2604.09543v1
• Date: Fri, 10 Apr 2026 17:58:16 GMT
• Title: ANTIC: Adaptive Neural Temporal In-situ Compressor
• Abstract summary: Large-scale and high-dimensional partial differential equations (PDEs) have reached the petabyte-to-exabyte scale.<n>ANTIC enables a combined compression temporal and spatial components and effectively alleviates the need for explicit on-disk storage of entire time-resolution.<n> Experimental results demonstrate how storage reductions of several orders of magnitude relate to physics accuracy.
• Score: 19.44325026786871
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: The persistent storage requirements for high-resolution, spatiotemporally evolving fields governed by large-scale and high-dimensional partial differential equations (PDEs) have reached the petabyte-to-exabyte scale. Transient simulations modeling Navier-Stokes equations, magnetohydrodynamics, plasma physics, or binary black hole mergers generate data volumes that are prohibitive for modern high-performance computing (HPC) infrastructures. To address this bottleneck, we introduce ANTIC (Adaptive Neural Temporal in situ Compressor), an end-to-end in situ compression pipeline. ANTIC consists of an adaptive temporal selector tailored to high-dimensional physics that identifies and filters informative snapshots at simulation time, combined with a spatial neural compression module based on continual fine-tuning that learns residual updates between adjacent snapshots using neural fields. By operating in a single streaming pass, ANTIC enables a combined compression of temporal and spatial components and effectively alleviates the need for explicit on-disk storage of entire time-evolved trajectories. Experimental results demonstrate how storage reductions of several orders of magnitude relate to physics accuracy.

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