# 1. Utilities ### [deviceQuery](./deviceQuery) This sample enumerates the properties of the CUDA devices present in the system. ### [deviceQueryDrv](./deviceQueryDrv) This sample enumerates the properties of the CUDA devices present using CUDA Driver API calls ### [topologyQuery](./topologyQuery) A simple example on how to query the topology of a system with multiple GPU ## Note ### bandwidthTest The bandwidthTest sample was out-of-date and has been removed as of the CUDA Samples 12.9 release (see the [change log](../../CHANGELOG.md)). For up-to-date bandwidth measurements, refer instead to the [NVBandwith](https://github.com/nvidia/nvbandwidth) utility.