# SMCountNV(3) Manual Page

## Name

SMCountNV - Number of SMs on the device

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## Description

`SMCountNV`

  Decorating a variable with the `SMCountNV` built-in decoration will make that variable contain the number of SMs on the device.

Valid Usage

- VUID-SMCountNV-SMCountNV-04363
  The variable decorated with `SMCountNV` must be declared using the `Input` `Storage` `Class`

- VUID-SMCountNV-SMCountNV-04364
  The variable decorated with `SMCountNV` must be declared as a scalar 32-bit integer value

## See Also

No cross-references are available

## Document Notes

For more information, see the Vulkan Specification

This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.

## Copyright

Copyright 2014-2024 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0