> ## Documentation Index
> Fetch the complete documentation index at: https://docs.coreweave.com/llms.txt
> Use this file to discover all available pages before exploring further.

# June 17, 2025 - NVSHMEM and GDRcopy support

> NVSHMEM and GDRcopy support now available for enhanced GPU communication and performance

Support for NVSHMEM and GDRCopy is now available in SUNK, enabling high-performance GPU-to-GPU communication. These technologies provide significant performance improvements for distributed GPU workloads and multi-GPU applications.

## Overview

[SUNK now supports NVSHMEM and GDRCopy](/products/sunk/optimize_workloads/nvshmem-gdrcopy), enabling high-performance GPU-to-GPU communication. These technologies provide significant performance improvements for distributed GPU workloads and multi-GPU applications.

## Additional resources

For detailed information on implementing NVSHMEM and GDRCopy, see [SUNK parameters](/products/sunk/reference/sunk-parameters).