GetSpecialMDLConfig

Function Usage

Configures the parameters to obtain the user-defined SpecialMDL template.

Prototype

__aicore__ constexpr MatmulConfig GetSpecialMDLConfig(const bool intrinsicsLimit = false, const bool batchLoop = false, const uint32_t doMTE2Preload = 0, const bool isVecND2NZ = false, bool isPerTensor = false, bool hasAntiQuantOffset = false)

Parameters

All parameters of this API are used to set the parameters of the MatmulConfig structure. Parameters corresponding to each other have the same functions.

**Table 1** API parameters
Parameter	Input/Output	Description
intrinsicsLimit	Input	Sets the intrinsicsCheck parameter. Whether to enable cyclic data move-in when the inner axis (last axis) of the left or right matrix on a single core is greater than or equal to 65535. For example, for the left matrix A [M, K], if singleCoreK of the inner axis on a single core is greater than 65535 and this parameter is set to true, data is moved in cyclically in the API. Values: false (default): When the inner axis of the left or right matrix on a single core is greater than or equal to 65535, data is not moved in cyclically. true: When the inner axis of the left or right matrix on a single core is greater than or equal to 65535, data is moved in cyclically.
batchLoop	Input	Sets the isNBatch parameter. Whether to enable multi-batch input and output. This parameter is valid only for BatchMatmul. Values: false (default): disables multi-batch input and output. true: enables the multi-batch function.
doMTE2Preload	Input	Sets the doMTE2Preload parameter. Whether to enable the preloading function in the M/N direction when MTE2 pipeline gap and the M/N value are large. After this function is enabled, the MTE2 pipeline gap is reduced and the performance is improved. The preloading function is valid only for the MDL template. Values: 0 (default): disables the function. 1: enables preloading in the M direction. 2: enables preloading in the N direction. Note: When preloading in the M/N direction is enabled, ensure that the data is fully loaded in the K direction and double buffering is enabled in the M/N direction.
isVecND2NZ	Input	Sets the enVecND2NZ parameter. Whether to enable ND2NZ (converting data from ND format to NZ format) using the vector. To enable this function, you need to set SetLocalWorkspace. Values: false (default): disables ND2NZ using the vector. true: enables ND2NZ using the vector.
isPerTensor	Input	Sets the isPerTensor parameter. Whether quantization for matrix B is conducted per tensor (true) or per channel (false) in the scenario where matrix A's input type is half and matrix B's input type is int8.
hasAntiQuantOffset	Input	Sets the hasAntiQuantOffset parameter. Whether to use the offset coefficient when matrix B quantization is enabled in the scenario where matrix A's input type is half and matrix B's input type is int8.

Returns

MatmulConfig struct.

Availability

Precautions

None

Example

constexpr MatmulConfig MM_CFG = GetSpecialMDLConfig();
Matmul<A_TYPE, B_TYPE, C_TYPE, BIAS_TYPE, MM_CFG> mm;
REGIST_MATMUL_OBJ(&pipe, GetSysWorkSpacePtr(), mm, &tiling);
mm.SetTensorA(gm_a);
mm.SetTensorB(gm_b);
mm.SetBias(gm_bias);
mm.IterateAll(gm_c);

Parent topic: Matmul