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Added: a real matmul function and vector matrix mul assmebly for xs3 #222

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Added: a real matmul function and vector matrix mul assmebly for xs3 #222

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19 changes: 19 additions & 0 deletions lib_nn/api/nn_layers.h
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Original file line number Diff line number Diff line change
Expand Up @@ -308,4 +308,23 @@ void mean_int16(const int16_t *input, int16_t *output, const int start_dim_size,
const int mean_dim_size, const int end_dim_size,
const float scale_mul);

typedef struct {
float lhs_zp;
float rhs_zp;
float in_zp_sum; // channel_size * lhs_zp * rhs_zp
float out_zp;
float scale; // lhs_scale*rhs_scale/out_scale
uint32_t lhs_row_size;
uint32_t channel_size; // lhs col size & rhs row size
uint32_t rhs_col_size;
} nn_mat_mul_real_params_t;
/**
* @brief Execute real matrix multiplication
* @param vpu_buf int8_t vpu_buf[64], need word align
*/
void mat_mul_real_int8(
nn_mat_mul_real_params_t *p,
int8_t *vpu_buf0, int8_t *vpu_buf1, int8_t *vpu_buf2,
int8_t *lhs, int8_t* rhs, int8_t *output);

#endif // LAYERS_H_