VK_NV_cooperative_vector(3)

This extension adds support for using cooperative vector types in SPIR-V. Unlike cooperative matrix types, a variable with a cooperative vector type is logically stored in the invocation it belongs to, but they can cooperate behind the scenes when performing matrix-vector multiplies. Cooperative vectors do not require a fully occupied subgroup or uniform control flow like cooperative matrices, although these do increase the likelihood of being on the fast path. And unlike normal vector types, they have arbitrary length and support a relatively limited set of operations. These types are intended to help accelerate the evaluation of small neural networks, where each invocation is performing its own independent evaluation of the network.

Cooperative vector types are defined by the SPV_NV_cooperative_vector SPIR-V extension and can be used with the GL_NV_cooperative_vector GLSL extension.

This extension includes support for enumerating the combinations of types that are supported by the implementation, and for converting matrix data to and from an optimized opaque layout.

No cross-references are available

For more information, see the Vulkan Specification.

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