OpenBLAS/kernel/power/sbgemv_n_power10.c

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#ifndef SBGEMV_N_MMA_C
#define SBGEMV_N_MMA_C

#define USE_BFGEMV_N_MMA

#ifdef USE_BFGEMV_N_MMA
#include "sbgemv_common_power10.c"

#ifndef BF16GEMV_N_X
#define BF16GEMV_N_X
#define BF16GEMV_N_8 BF16GEMV_N_MMA_8
#define BF16GEMV_N_4 BF16GEMV_N_MMA_4
#define BF16GEMV_N_2 BF16GEMV_N_MMA_2
#define BF16GEMV_N_1 BF16GEMV_N_MMA_1
#endif

#define USE_BFGEMV_8_N_MMA

static void BF16GEMV_N_MMA_1(BLASLONG n, IFLOAT **ap, IFLOAT *xo, FLOAT *y, FLOAT alpha)
{
  IFLOAT *a0;
  __vector_quad temp[2*4];
  vec_f32 temp0[8*4];
  vec_f32 v_alpha = { alpha, alpha, alpha, alpha };

  a0 = ap[0];

  vec_bf16 *va0 = (vec_bf16 *)a0;

  vec_bf16 *x_bf = (vec_bf16 *)(xo);

  vec_f32 *v_y = (vec_f32 *)y;
  BLASLONG n8 = n / 8;
  BLASLONG i = 0;

#ifdef USE_MERGE_MMA
  vec_bf16 v_x0[4];
  v_x0[0] = vec_loadN(x_bf, 1);
  vec_f32 vy0[2*4*2];

  vec_make_mult1(v_x0, false);

  for (; i + 8 <= n8; i += 8) {
    vec_load_mult184_mma(&temp[0], &va0[i +  0], &v_x0[ 0]);
    vec_load_mult184_mma(&temp[2], &va0[i +  4], &v_x0[ 0]);

    vec_load8_pair(vy0, &v_y[(i * 2) + 0]);

    vec_reduce88_mma(&temp[0], temp0 +  0, v_alpha, vy0 +  0);

    vec_store8_pair(&v_y[(i * 2) + 0], vy0);
  }

  if (n8 & 4) {
    vec_load_mult184_mma(&temp[0], &va0[i + 0], &v_x0[ 0]);

    vec_load4_pair(vy0, &v_y[(i * 2) + 0]);

    vec_reduce84_mma(&temp[0], temp0, v_alpha, vy0);

    vec_store4_pair(&v_y[(i * 2) + 0], vy0);

    i += 4;
  }
#else
  vec_bf16 v_x0[1];
  v_x0[0] = vec_loadN(x_bf, 1);
  vec_f32 vy0[2*4];

  for (; i + 4 <= n8; i += 4) {
    vec_load_mult18_mma(&temp[0], &va0[i + 0], v_x0[ 0]);

    vec_load4_pair(vy0, &v_y[(i * 2) + 0]);

    vec_reduce8_mma(&temp[0], temp0, v_alpha, vy0);

    vec_store4_pair(&v_y[(i * 2) + 0], vy0);
  }
#endif

  for (; i < n8; i++) {
    vec_load_mult12_mma(&temp[0], &va0[i], v_x0[ 0]);

    vec_load_pair(vy0, &v_y[(i * 2) + 0]);

    vec_reduce2_mma(&temp[0], temp0, v_alpha, vy0);

    vec_store_pair(&v_y[(i * 2) + 0], vy0);
  }

  n &= 7;
  if (n > 4) {
    vec_loadN_mult12_mma(&temp[0], &va0[i], v_x0[ 0], n);

    n &= 3;
    vec_loadN2_f32(vy0, &v_y[(i * 2) + 0], n);

    vec_reduce2_mma(&temp[0], temp0, v_alpha, vy0);

    vec_storeN2_f32(vy0, &v_y[(i * 2) + 0], n);
  } else if (n) {
    vec_loadN_mult11_mma(&temp[0], &va0[i], v_x0[ 0], n);

    vy0[0] = vec_loadN_f32(&v_y[(i * 2) + 0], n);

    vec_reduce1_mma(&temp[0], temp0, v_alpha, vy0);

    vec_storeN_f32(vy0[0], &v_y[(i * 2) + 0], n);
  }
}

static void BF16GEMV_N_MMA_2(BLASLONG n, IFLOAT **ap, IFLOAT *xo, FLOAT *y, FLOAT alpha)
{
  IFLOAT *a0, *a1;
  __vector_quad temp[2*4];
  vec_f32 temp0[8*4];
  vec_f32 v_alpha = { alpha, alpha, alpha, alpha };

  a0 = ap[0];
  a1 = ap[1];

  vec_bf16 *va0 = (vec_bf16 *)a0;
  vec_bf16 *va1 = (vec_bf16 *)a1;

  vec_bf16 *x_bf = (vec_bf16 *)(xo);

  vec_f32 *v_y = (vec_f32 *)y;
  BLASLONG n8 = n / 8;
  BLASLONG i = 0;

#ifdef USE_MERGE_MMA
  vec_bf16 v_x0[4];
  vec_f32 vy0[2*4*2];
  v_x0[0] = vec_loadN(x_bf, 2);

  vec_make_mult1(v_x0, false);

  for (; i + 8 <= n8; i += 8) {
    vec_load_mult288a_mma(&temp[0], &va0[i +  0], &va1[i +  0], &v_x0[ 0]);

    vec_load8_pair(vy0, &v_y[(i * 2) + 0]);

    vec_reduce88_mma(&temp[0], temp0 +  0, v_alpha, vy0 +  0);

    vec_store8_pair(&v_y[(i * 2) + 0], vy0);
  }

  if (n8 & 4) {
    vec_load_mult284a_mma(&temp[0], &va0[i + 0], &va1[i + 0], &v_x0[ 0]);

    vec_load4_pair(vy0, &v_y[(i * 2) + 0]);

    vec_reduce84_mma(&temp[0], temp0, v_alpha, vy0);

    vec_store4_pair(&v_y[(i * 2) + 0], vy0);

    i += 4;
  }
#else
  vec_bf16 v_x0[1];
  vec_f32 vy0[2*4];
  v_x0[0] = vec_loadN(x_bf, 2);

  for (; i + 4 <= n8; i += 4) {
    vec_load_mult28a_mma(&temp[0], &va0[i + 0], &va1[i + 0], v_x0[ 0]);

    vec_load4_pair(vy0, &v_y[(i * 2) + 0]);

    vec_reduce8_mma(&temp[0], temp0, v_alpha, vy0);

    vec_store4_pair(&v_y[(i * 2) + 0], vy0);
  }
#endif

  for (; i < n8; i++) {
    vec_load_mult22a_mma(&temp[0], &va0[i], &va1[i], v_x0[ 0]);

    vec_load_pair(vy0, &v_y[(i * 2) + 0]);

    vec_reduce2_mma(&temp[0], temp0, v_alpha, vy0);

    vec_store_pair(&v_y[(i * 2) + 0], vy0);
  }

  n &= 7;
  if (n > 4) {
    vec_loadN_mult22a_mma(&temp[0], &va0[i], &va1[i], v_x0[ 0], n);

    n &= 3;
    vec_loadN2_f32(vy0, &v_y[(i * 2) + 0], n);

    vec_reduce2_mma(&temp[0], temp0, v_alpha, vy0);

    vec_storeN2_f32(vy0, &v_y[(i * 2) + 0], n);
  } else if (n) {
    vec_loadN_mult11a_mma(&temp[0], &va0[i], &va1[i], v_x0[ 0], n);

    vy0[0] = vec_loadN_f32(&v_y[(i * 2) + 0], n);

    vec_reduce1_mma(&temp[0], temp0, v_alpha, vy0);

    vec_storeN_f32(vy0[0], &v_y[(i * 2) + 0], n);
  }
}

static void BF16GEMV_N_MMA_4(BLASLONG n, IFLOAT **ap, IFLOAT *xo, FLOAT *y, FLOAT alpha)
{
  IFLOAT *a0, *a1, *a2, *a3;
  __vector_quad temp[2*4];
  vec_f32 temp0[8*4];
  vec_f32 v_alpha = { alpha, alpha, alpha, alpha };

  a0 = ap[0];
  a1 = ap[1];
  a2 = ap[2];
  a3 = ap[3];

  vec_bf16 *va0 = (vec_bf16 *)a0;
  vec_bf16 *va1 = (vec_bf16 *)a1;
  vec_bf16 *va2 = (vec_bf16 *)a2;
  vec_bf16 *va3 = (vec_bf16 *)a3;

  vec_bf16 *x_bf = (vec_bf16 *)(xo);

  vec_f32 *v_y = (vec_f32 *)y;
  BLASLONG n8 = n / 8;
  BLASLONG i = 0;

#ifdef USE_MERGE_MMA
  vec_bf16 v_x0[8];
  vec_f32 vy0[2*4*2];
  v_x0[0] = vec_loadN(x_bf, 4);

  vec_make_mult2(v_x0);

  for (; i + 8 <= n8; i += 8) {
    vec_load_mult288a_mma(&temp[0], &va0[i +  0], &va1[i +  0], &v_x0[ 0]);
    vec_load_mult288b_mma(&temp[0], &va2[i +  0], &va3[i +  0], &v_x0[ 4]);

    vec_load8_pair(vy0, &v_y[(i * 2) + 0]);

    vec_reduce88_mma(&temp[0], temp0 +  0, v_alpha, vy0 +  0);

    vec_store8_pair(&v_y[(i * 2) + 0], vy0);
  }

  if (n8 & 4) {
    vec_load_mult284a_mma(&temp[0], &va0[i + 0], &va1[i + 0], &v_x0[ 0]);
    vec_load_mult284b_mma(&temp[0], &va2[i + 0], &va3[i + 0], &v_x0[ 4]);

    vec_load4_pair(vy0, &v_y[(i * 2) + 0]);

    vec_reduce84_mma(&temp[0], temp0, v_alpha, vy0);

    vec_store4_pair(&v_y[(i * 2) + 0], vy0);

    i += 4;
  }
#else
  vec_bf16 v_x0[5];
  vec_f32 vy0[2*4];
  v_x0[0] = vec_loadN(x_bf, 4);

  v_x0[ 4] = (vec_bf16)vec_splat((vec_f32)v_x0[0], 1);

  for (; i + 4 <= n8; i += 4) {
    vec_load_mult28a_mma(&temp[0], &va0[i + 0], &va1[i + 0], v_x0[ 0]);
    vec_load_mult28b_mma(&temp[0], &va2[i + 0], &va3[i + 0], v_x0[ 4]);

    vec_load4_pair(vy0, &v_y[(i * 2) + 0]);

    vec_reduce8_mma(&temp[0], temp0, v_alpha, vy0);

    vec_store4_pair(&v_y[(i * 2) + 0], vy0);
  }
#endif

  for (; i < n8; i++) {
    vec_load_mult22a_mma(&temp[0], &va0[i], &va1[i], v_x0[ 0]);
    vec_load_mult22b_mma(&temp[0], &va2[i], &va3[i], v_x0[ 4]);

    vec_load_pair(vy0, &v_y[(i * 2) + 0]);

    vec_reduce2_mma(&temp[0], temp0, v_alpha, vy0);

    vec_store_pair(&v_y[(i * 2) + 0], vy0);
  }

  n &= 7;
  if (n > 4) {
    vec_loadN_mult22a_mma(&temp[0], &va0[i], &va1[i], v_x0[ 0], n);
    vec_loadN_mult22b_mma(&temp[0], &va2[i], &va3[i], v_x0[ 4], n);

    n &= 3;
    vec_loadN2_f32(vy0, &v_y[(i * 2) + 0], n);

    vec_reduce2_mma(&temp[0], temp0, v_alpha, vy0);

    vec_storeN2_f32(vy0, &v_y[(i * 2) + 0], n);
  } else if (n) {
    vec_loadN_mult11a_mma(&temp[0], &va0[i], &va1[i], v_x0[ 0], n);
    vec_loadN_mult11b_mma(&temp[0], &va2[i], &va3[i], v_x0[ 4], n);

    vy0[0] = vec_loadN_f32(&v_y[(i * 2) + 0], n);

    vec_reduce1_mma(&temp[0], temp0, v_alpha, vy0);

    vec_storeN_f32(vy0[0], &v_y[(i * 2) + 0], n);
  }
}

#ifdef USE_BFGEMV_8_N_MMA
static void BF16GEMV_N_MMA_8(BLASLONG n, IFLOAT **ap, IFLOAT *xo, FLOAT *y, BLASLONG lda4, FLOAT alpha)
{
  IFLOAT *a0, *a1, *a2, *a3, *b0, *b1, *b2, *b3;
  __vector_quad temp[2*4];
  vec_f32 temp0[8*4];
  vec_f32 v_alpha = { alpha, alpha, alpha, alpha };

  a0 = ap[0];
  a1 = ap[1];
  a2 = ap[2];
  a3 = ap[3];
  b0 = a0 + lda4;
  b1 = a1 + lda4;
  b2 = a2 + lda4;
  b3 = a3 + lda4;

  vec_bf16 *va0 = (vec_bf16 *)a0;
  vec_bf16 *va1 = (vec_bf16 *)a1;
  vec_bf16 *va2 = (vec_bf16 *)a2;
  vec_bf16 *va3 = (vec_bf16 *)a3;
  vec_bf16 *vb0 = (vec_bf16 *)b0;
  vec_bf16 *vb1 = (vec_bf16 *)b1;
  vec_bf16 *vb2 = (vec_bf16 *)b2;
  vec_bf16 *vb3 = (vec_bf16 *)b3;

  vec_bf16 *x_bf = (vec_bf16 *)(xo);

  vec_f32 *v_y = (vec_f32 *)y;
  BLASLONG n8 = n / 8;
  BLASLONG i = 0;

#ifdef USE_MERGE_MMA
  vec_bf16 v_x0[16];
  vec_f32 vy0[2*4*2];
  v_x0[0] = (vec_bf16)vec_load_vec(x_bf);

  vec_make_mult4(v_x0);

  for (; i + 8 <= n8; i += 8) {
    vec_load_mult288a_mma(&temp[0], &va0[i +  0], &va1[i +  0], &v_x0[ 0]);
    vec_load_mult288b_mma(&temp[0], &va2[i +  0], &va3[i +  0], &v_x0[ 4]);
    vec_load_mult288b_mma(&temp[0], &vb0[i +  0], &vb1[i +  0], &v_x0[ 8]);
    vec_load_mult288b_mma(&temp[0], &vb2[i +  0], &vb3[i +  0], &v_x0[12]);

    vec_load8_pair(vy0, &v_y[(i * 2) + 0]);

    vec_reduce88_mma(&temp[0], temp0 +  0, v_alpha, vy0 +  0);

    vec_store8_pair(&v_y[(i * 2) + 0], vy0);
  }

  if (n8 & 4) {
    vec_load_mult284a_mma(&temp[0], &va0[i + 0], &va1[i + 0], &v_x0[ 0]);
    vec_load_mult284b_mma(&temp[0], &va2[i + 0], &va3[i + 0], &v_x0[ 4]);
    vec_load_mult284b_mma(&temp[0], &vb0[i + 0], &vb1[i + 0], &v_x0[ 8]);
    vec_load_mult284b_mma(&temp[0], &vb2[i + 0], &vb3[i + 0], &v_x0[12]);

    vec_load4_pair(vy0, &v_y[(i * 2) + 0]);

    vec_reduce84_mma(&temp[0], temp0, v_alpha, vy0);

    vec_store4_pair(&v_y[(i * 2) + 0], vy0);

    i += 4;
  }
#else
  vec_bf16 v_x0[13];
  vec_f32 vy0[2*4];
  v_x0[0] = (vec_bf16)vec_load_vec(x_bf);

  v_x0[ 4] = (vec_bf16)vec_splat((vec_f32)v_x0[0], 1);
  v_x0[ 8] = (vec_bf16)vec_splat((vec_f32)v_x0[0], 2);
  v_x0[12] = (vec_bf16)vec_splat((vec_f32)v_x0[0], 3);

  for (; i + 4 <= n8; i += 4) {
    vec_load_mult28a_mma(&temp[0], &va0[i + 0], &va1[i + 0], v_x0[ 0]);
    vec_load_mult28b_mma(&temp[0], &va2[i + 0], &va3[i + 0], v_x0[ 4]);
    vec_load_mult28b_mma(&temp[0], &vb0[i + 0], &vb1[i + 0], v_x0[ 8]);
    vec_load_mult28b_mma(&temp[0], &vb2[i + 0], &vb3[i + 0], v_x0[12]);

    vec_load4_pair(vy0, &v_y[(i * 2) + 0]);

    vec_reduce8_mma(&temp[0], temp0, v_alpha, vy0);

    vec_store4_pair(&v_y[(i * 2) + 0], vy0);
  }
#endif

  for (; i < n8; i++) {
    vec_load_mult22a_mma(&temp[0], &va0[i], &va1[i], v_x0[ 0]);
    vec_load_mult22b_mma(&temp[0], &va2[i], &va3[i], v_x0[ 4]);
    vec_load_mult22b_mma(&temp[0], &vb0[i], &vb1[i], v_x0[ 8]);
    vec_load_mult22b_mma(&temp[0], &vb2[i], &vb3[i], v_x0[12]);

    vec_load_pair(vy0, &v_y[(i * 2) + 0]);

    vec_reduce2_mma(&temp[0], temp0, v_alpha, vy0);

    vec_store_pair(&v_y[(i * 2) + 0], vy0);
  }

  n &= 7;
  if (n > 4) {
    vec_loadN_mult22a_mma(&temp[0], &va0[i], &va1[i], v_x0[ 0], n);
    vec_loadN_mult22b_mma(&temp[0], &va2[i], &va3[i], v_x0[ 4], n);
    vec_loadN_mult22b_mma(&temp[0], &vb0[i], &vb1[i], v_x0[ 8], n);
    vec_loadN_mult22b_mma(&temp[0], &vb2[i], &vb3[i], v_x0[12], n);

    n &= 3;
    vec_loadN2_f32(vy0, &v_y[(i * 2) + 0], n);

    vec_reduce2_mma(&temp[0], temp0, v_alpha, vy0);

    vec_storeN2_f32(vy0, &v_y[(i * 2) + 0], n);
  } else if (n) {
    vec_loadN_mult11a_mma(&temp[0], &va0[i], &va1[i], v_x0[ 0], n);
    vec_loadN_mult11b_mma(&temp[0], &va2[i], &va3[i], v_x0[ 4], n);
    vec_loadN_mult11b_mma(&temp[0], &vb0[i], &vb1[i], v_x0[ 8], n);
    vec_loadN_mult11b_mma(&temp[0], &vb2[i], &vb3[i], v_x0[12], n);

    vy0[0] = vec_loadN_f32(&v_y[(i * 2) + 0], n);

    vec_reduce1_mma(&temp[0], temp0, v_alpha, vy0);

    vec_storeN_f32(vy0[0], &v_y[(i * 2) + 0], n);
  }
}
#endif

#include "sbgemv_n.c"
#else
#include "sbgemv_n_vsx.c"
#endif
#endif