Introduction

Welcome to GPU-SD, a daemon and library for the discovery and announcement of graphics processing units using ZeroConf. GPU-SD enables auto-configuration of ad-hoc GPU clusters and multi-GPU machines.

GPU-SD 1.4 is a feature release for version 1.0. It can be retrieved by downloading the source code or one of the binary distributions.

Features

GPU-SD provides the following features to enable GPU discovery:

• Local Discovery: Automatic GPU discovery for Linux (X11/GLX), Mac OS X (CGL, GLX) and Windows (WGL, WGL_NV_gpu_affinity, WGL_AMD_gpu_association).
• Network announcement: A daemon for network announcement of available GPUs and their configuration using DNS service discovery and ZeroConf networking.
• Remote Discovery: Remote GPU discovery of resources announced using the GPU-SD daemon.

New in this release

GPU-SD 1.4 is a feature release and contains the following features, enhancements, bug fixes and documentation changes over the 1.0 release:

New Features

• Support for VirtualGL detection
• Hostname command line parameter for gpu_sd daemon

Enhancements

• Allow disposal for loaded modules

Optimizations

No optimizations.

Examples

No example code.

Tools

• Script to launch gpu_sd daemon as part of a slurm batch allocation

Changes

No API changes breaking compatibility with GPU-SD 1.0 source code were made.

Documentation

The following documentation has been added or substantially improved since the last release:

No updates.

Bug Fixes

GPU-SD 1.4 includes various bugfixes over the 1.0 release, including the following:

• WGL: Fix pixel viewport calculation in multi-monitor setups

Known Bugs

The following bugs were known at release time. Please file a Bug Report if you find any other issue with this release.

No known bugs.

About

GPU-SD is a cross-platform library, designed to run on any modern operating system, including all Unix variants and the Windows operating system. The servus zeroconf library is required for the DNS_SD module and applications.

Operating System Support

GPU-SD uses CMake to create a platform-specific build environment. The following platforms and build environments are tested:

• Linux: Ubuntu 11.10,12.04 (Makefile, i386, x64)
• Windows: 7 (Visual Studio 2008, i386, x64)
• Mac OS X: 10.7 (Makefile, i386, x64)

System Support

• GLX: Full support for all documented features
• WGL: Full support for all documented features
• CGL: Full support for all documented features

Documentation

Support

Technical questions can be posted to the Developer Mailing List, or directly to info@equalizergraphics.com.

Commercial support, custom software development and porting services are available from Eyescale. Please contact info@eyescale.ch for further information.

Errata