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2026-07-13 13:33:03 +08:00

28 lines
842 B
C++

#include <riscv_vector.h>
void MNNMatrixProd(float* C, const float* A, const float* B,
size_t widthC4, size_t cStride, size_t aStride,
size_t bStride, size_t height) {
size_t total = widthC4 * 4;
for (int y = 0; y < height; ++y) {
const float* a = A + aStride * y;
const float* b = B + bStride * y;
float* c = C + cStride * y;
size_t n = total;
while (n > 0) {
size_t vl = __riscv_vsetvl_e32m8(n);
vfloat32m8_t va = __riscv_vle32_v_f32m8(a, vl);
vfloat32m8_t vb = __riscv_vle32_v_f32m8(b, vl);
vfloat32m8_t vc = __riscv_vfmul_vv_f32m8(va, vb, vl);
__riscv_vse32_v_f32m8(c, vc, vl);
a += vl;
b += vl;
c += vl;
n -= vl;
}
}
}