activation.h

Activation functions.

Enums

enum class NVTE_Activation_Type

Compute activation of the input.

Param input

[in] Input tensor for activation.

Param output

[inout] Output tensor.

Param stream

[in] CUDA stream used for the operation.

Values:

enumerator GELU

enumerator GEGLU

enumerator SILU

enumerator SWIGLU

enumerator RELU

enumerator REGLU

enumerator QGELU

enumerator QGEGLU

enumerator SRELU

enumerator SREGLU

Functions

void nvte_gelu(const NVTETensor input, NVTETensor output, cudaStream_t stream)

void nvte_silu(const NVTETensor input, NVTETensor output, cudaStream_t stream)

void nvte_relu(const NVTETensor input, NVTETensor output, cudaStream_t stream)

void nvte_qgelu(const NVTETensor input, NVTETensor output, cudaStream_t stream)

void nvte_srelu(const NVTETensor input, NVTETensor output, cudaStream_t stream)

void nvte_dgelu(const NVTETensor grad, const NVTETensor input, NVTETensor output, cudaStream_t stream)

Compute activation gradient.

Parameters

• grad – [in] Incoming gradient.

• input – [in] Input tensor for activation.

• output – [inout] Output tensor.

• stream – [in] CUDA stream used for the operation.

void nvte_dsilu(const NVTETensor grad, const NVTETensor input, NVTETensor output, cudaStream_t stream)

void nvte_drelu(const NVTETensor grad, const NVTETensor input, NVTETensor output, cudaStream_t stream)

void nvte_dqgelu(const NVTETensor grad, const NVTETensor input, NVTETensor output, cudaStream_t stream)

void nvte_dsrelu(const NVTETensor grad, const NVTETensor input, NVTETensor output, cudaStream_t stream)

void nvte_geglu(const NVTETensor input, NVTETensor output, cudaStream_t stream)

Compute gated activation of the input.

Parameters

• input – [in] Input tensor of shape [N, H * 2].

• output – [inout] Output tensor of shape [N, H]. It computes Act(input[N, :H]) x input[N, H:]

• stream – [in] CUDA stream used for the operation.

void nvte_swiglu(const NVTETensor input, NVTETensor output, cudaStream_t stream)

void nvte_reglu(const NVTETensor input, NVTETensor output, cudaStream_t stream)

void nvte_qgeglu(const NVTETensor input, NVTETensor output, cudaStream_t stream)

void nvte_sreglu(const NVTETensor input, NVTETensor output, cudaStream_t stream)

void nvte_dgeglu(const NVTETensor grad, const NVTETensor input, NVTETensor output, cudaStream_t stream)

Compute gated activation gradient.

Parameters

• grad – [in] Incoming gradient of shape [N, H].

• input – [in] Forward input tensor of shape [N, H * 2].

• output – [inout] Outgoing gradient of shape [N, H * 2].

• stream – [in] CUDA stream used for the operation.

void nvte_dswiglu(const NVTETensor grad, const NVTETensor input, NVTETensor output, cudaStream_t stream)

void nvte_dreglu(const NVTETensor grad, const NVTETensor input, NVTETensor output, cudaStream_t stream)

void nvte_dqgeglu(const NVTETensor grad, const NVTETensor input, NVTETensor output, cudaStream_t stream)

void nvte_dsreglu(const NVTETensor grad, const NVTETensor input, NVTETensor output, cudaStream_t stream)