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NVIDIA Docs Hub NVIDIA Magnum IO GPUDirect Storage GDS cuFile API Reference 1. GDS cuFile API Reference # The NVIDIA® GPUDirect® Storage (GDS) cuFile API Reference Guide provides information about the cuFile API reference that is used in applications and frameworks to leverage GDS technology and describes the intent, context, and operation of those APIs, which are part of the GDS technology. 2. Introduction # NVIDIA® Magnum IO GPUDirect® Storage (GDS) is part of the GPUDirect family. GDS enables a direct data path for direct memory access (DMA) transfers between GPU memory and storage, which avoids a bounce buffer through the CPU. This direct path increases system bandwidth and decreases the latency and utilization load on the CPU. This document provides information about the cuFile APIs that are used in applications and frameworks to leverage GDS technology and describes the intent, context, and operation of those APIs which are part of the GDS technology. Note The APIs and descriptions are subject to change without notice.
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