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Vectorize reduction stage of sgemv_t.

This commit is contained in:
Chip Kerchner 2024-07-16 15:57:24 -05:00
parent b1aa2e1768
commit ba47c7f4f3
2 changed files with 80 additions and 24 deletions
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52
kernel/power/sgemv_t.c
View File

@ -79,15 +79,32 @@ static void sgemv_kernel_4x8(BLASLONG n, BLASLONG lda, FLOAT *ap, FLOAT *x, FLOA
}
y[0] += alpha * (temp0[0] + temp0[1]+temp0[2] + temp0[3]);
y[1] += alpha * (temp1[0] + temp1[1]+temp1[2] + temp1[3]);
y[2] += alpha * (temp2[0] + temp2[1]+temp2[2] + temp2[3]);
y[3] += alpha * (temp3[0] + temp3[1]+temp3[2] + temp3[3]);
register __vector float t0, t1, t2, t3;
register __vector float a = { alpha, alpha, alpha, alpha };
__vector float *v_y = (__vector float*) y;
y[4] += alpha * (temp4[0] + temp4[1]+temp4[2] + temp4[3]);
y[5] += alpha * (temp5[0] + temp5[1]+temp5[2] + temp5[3]);
y[6] += alpha * (temp6[0] + temp6[1]+temp6[2] + temp6[3]);
y[7] += alpha * (temp7[0] + temp7[1]+temp7[2] + temp7[3]);
t0 = vec_mergeh(temp0, temp2);
t1 = vec_mergel(temp0, temp2);
t2 = vec_mergeh(temp1, temp3);
t3 = vec_mergel(temp1, temp3);
temp0 = vec_mergeh(t0, t2);
temp1 = vec_mergel(t0, t2);
temp2 = vec_mergeh(t1, t3);
temp3 = vec_mergel(t1, t3);
temp0 += temp1 + temp2 + temp3;
t0 = vec_mergeh(temp4, temp6);
t1 = vec_mergel(temp4, temp6);
t2 = vec_mergeh(temp5, temp7);
t3 = vec_mergel(temp5, temp7);
temp4 = vec_mergeh(t0, t2);
temp5 = vec_mergel(t0, t2);
temp6 = vec_mergeh(t1, t3);
temp7 = vec_mergel(t1, t3);
temp4 += temp5 + temp6 + temp7;
v_y[0] += a * temp0;
v_y[1] += a * temp4;
}
@ -116,10 +133,21 @@ static void sgemv_kernel_4x4(BLASLONG n, BLASLONG lda, FLOAT *ap, FLOAT *x, FLOA
temp3 += v_x[i] * va3[i];
}
y[0] += alpha * (temp0[0] + temp0[1]+temp0[2] + temp0[3]);
y[1] += alpha * (temp1[0] + temp1[1]+temp1[2] + temp1[3]);
y[2] += alpha * (temp2[0] + temp2[1]+temp2[2] + temp2[3]);
y[3] += alpha * (temp3[0] + temp3[1]+temp3[2] + temp3[3]);
register __vector float t0, t1, t2, t3;
register __vector float a = { alpha, alpha, alpha, alpha };
__vector float *v_y = (__vector float*) y;
t0 = vec_mergeh(temp0, temp2);
t1 = vec_mergel(temp0, temp2);
t2 = vec_mergeh(temp1, temp3);
t3 = vec_mergel(temp1, temp3);
temp0 = vec_mergeh(t0, t2);
temp1 = vec_mergel(t0, t2);
temp2 = vec_mergeh(t1, t3);
temp3 = vec_mergel(t1, t3);
temp0 += temp1 + temp2 + temp3;
v_y[0] += a * temp0;
}

52
kernel/power/sgemv_t_8.c
View File

@ -100,15 +100,32 @@ static void sgemv_kernel_8x8(BLASLONG n, BLASLONG lda, FLOAT *ap, FLOAT *x, FLOA
}
y[0] += alpha * (temp0[0] + temp0[1]+temp0[2] + temp0[3]);
y[1] += alpha * (temp1[0] + temp1[1]+temp1[2] + temp1[3]);
y[2] += alpha * (temp2[0] + temp2[1]+temp2[2] + temp2[3]);
y[3] += alpha * (temp3[0] + temp3[1]+temp3[2] + temp3[3]);
register __vector float t0, t1, t2, t3;
register __vector float a = { alpha, alpha, alpha, alpha };
__vector float *v_y = (__vector float*) y;
y[4] += alpha * (temp4[0] + temp4[1]+temp4[2] + temp4[3]);
y[5] += alpha * (temp5[0] + temp5[1]+temp5[2] + temp5[3]);
y[6] += alpha * (temp6[0] + temp6[1]+temp6[2] + temp6[3]);
y[7] += alpha * (temp7[0] + temp7[1]+temp7[2] + temp7[3]);
t0 = vec_mergeh(temp0, temp2);
t1 = vec_mergel(temp0, temp2);
t2 = vec_mergeh(temp1, temp3);
t3 = vec_mergel(temp1, temp3);
temp0 = vec_mergeh(t0, t2);
temp1 = vec_mergel(t0, t2);
temp2 = vec_mergeh(t1, t3);
temp3 = vec_mergel(t1, t3);
temp0 += temp1 + temp2 + temp3;
t0 = vec_mergeh(temp4, temp6);
t1 = vec_mergel(temp4, temp6);
t2 = vec_mergeh(temp5, temp7);
t3 = vec_mergel(temp5, temp7);
temp4 = vec_mergeh(t0, t2);
temp5 = vec_mergel(t0, t2);
temp6 = vec_mergeh(t1, t3);
temp7 = vec_mergel(t1, t3);
temp4 += temp5 + temp6 + temp7;
v_y[0] += a * temp0;
v_y[1] += a * temp4;
}
@ -137,10 +154,21 @@ static void sgemv_kernel_8x4(BLASLONG n, BLASLONG lda, FLOAT *ap, FLOAT *x, FLOA
temp3 += v_x[i] * va3[i] + v_x[i+1] * va3[i+1];
}
y[0] += alpha * (temp0[0] + temp0[1]+temp0[2] + temp0[3]);
y[1] += alpha * (temp1[0] + temp1[1]+temp1[2] + temp1[3]);
y[2] += alpha * (temp2[0] + temp2[1]+temp2[2] + temp2[3]);
y[3] += alpha * (temp3[0] + temp3[1]+temp3[2] + temp3[3]);
register __vector float t0, t1, t2, t3;
register __vector float a = { alpha, alpha, alpha, alpha };
__vector float *v_y = (__vector float*) y;
t0 = vec_mergeh(temp0, temp2);
t1 = vec_mergel(temp0, temp2);
t2 = vec_mergeh(temp1, temp3);
t3 = vec_mergel(temp1, temp3);
temp0 = vec_mergeh(t0, t2);
temp1 = vec_mergel(t0, t2);
temp2 = vec_mergeh(t1, t3);
temp3 = vec_mergel(t1, t3);
temp0 += temp1 + temp2 + temp3;
v_y[0] += a * temp0;
}