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Update 1_Utilities/README.md to redirect bandwidthTest to NVBandwidth (#371)

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Samples/1_Utilities/README.md
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# 1. Utilities
### [bandwidthTest](./bandwidthTest)
This is a simple test program to measure the memcopy bandwidth of the GPU and memcpy bandwidth across PCI-e. This test application is capable of measuring device to device copy bandwidth, host to device copy bandwidth for pageable and page-locked memory, and device to host copy bandwidth for pageable and page-locked memory.
### [deviceQuery](./deviceQuery)
This sample enumerates the properties of the CUDA devices present in the system.
@ -12,3 +8,8 @@ This sample enumerates the properties of the CUDA devices present using CUDA Dri
### [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The bandwidthTest sample was out-of-date and has been removed as of the CUDA Samples 12.9 release (see the [change log](../../CHANGELOG.md)).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.