VK_KHR_shader_bfloat16(3)

Name

VK_KHR_shader_bfloat16 - device extension

VK_KHR_shader_bfloat16

Name String

VK_KHR_shader_bfloat16

Extension Type

Device extension

Registered Extension Number

142

Revision

1

Ratification Status

Ratified

Extension and Version Dependencies

VK_KHR_get_physical_device_properties2
or
Vulkan Version 1.1

API Interactions

  • Interacts with VK_KHR_cooperative_matrix

SPIR-V Dependencies
Contact
Extension Proposal

VK_KHR_shader_bfloat16

Other Extension Metadata

Last Modified Date

2024-04-09

IP Status

No known IP claims.

Contributors

  • Tobias Hector, AMD

  • Stu Smith, AMD

  • Jeff Bolz, Nvidia

  • Kévin Petit, Arm

  • David Neto, Google

  • Graeme Leese, Broadcom

  • Ruihao Zhang, Qualcomm

  • Mark Sheppard, Imagination

  • Ben Ashbaugh, Intel

  • Dmitry Sidorov, Intel

  • Victor Mustya, Intel

Description

This extension enables support for bfloat16 (“brain float”) operations in shaders as defined in SPV_KHR_bfloat16.

New Structures

New Enum Constants

  • VK_KHR_SHADER_BFLOAT16_EXTENSION_NAME

  • VK_KHR_SHADER_BFLOAT16_SPEC_VERSION

  • Extending VkStructureType:

    • VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_BFLOAT16_FEATURES_KHR

If VK_KHR_cooperative_matrix is supported:

New SPIR-V Capabilities

Version History

  • Revision 1, 2024-04-09 (Stu Smith)

    • Initial draft

See Also

No cross-references are available

Document Notes

For more information, see the Vulkan Specification.

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