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Merge pull request #3179 from RajalakshmiSR/zgemvp10 

POWER10: Optimized zgemv
This commit is contained in:
Martin Kroeker 2021-04-11 10:01:09 +02:00 committed by GitHub
parent 0dba04bb58 55bb9f639a
commit 3caf781d7c
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 1232 additions and 1 deletions
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2
kernel/power/KERNEL.POWER10
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@ -186,7 +186,7 @@ ZSWAPKERNEL = zswap.c
SGEMVNKERNEL = sgemv_n.c
DGEMVNKERNEL = dgemv_n_power10.c
CGEMVNKERNEL = cgemv_n.c
ZGEMVNKERNEL = zgemv_n_4.c
ZGEMVNKERNEL = zgemv_n_power10.c
#
SGEMVTKERNEL = sgemv_t.c
DGEMVTKERNEL = dgemv_t_power10.c

1102
kernel/power/zgemv_n_power10.c Normal file
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File diff suppressed because it is too large Load Diff

129
kernel/power/zgemv_t_4.c
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@ -43,6 +43,134 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#elif HAVE_KERNEL_4x4_VEC
#if defined(POWER10) && (__BYTE_ORDER__ != __ORDER_BIG_ENDIAN__)
typedef __vector unsigned char vec_t;
typedef FLOAT v4sf_t __attribute__ ((vector_size (16)));
static void zgemv_kernel_4x4(BLASLONG n, BLASLONG lda, FLOAT *ap, FLOAT *x, FLOAT *y, FLOAT alpha_r, FLOAT alpha_i) {
BLASLONG i;
FLOAT *a0, *a1, *a2, *a3;
a0 = ap;
a1 = ap + lda;
a2 = a1 + lda;
a3 = a2 + lda;
__vector_quad acc0, acc1, acc2, acc3;;
__vector_quad acc4, acc5, acc6, acc7;
v4sf_t result[4];
__vector_pair *Va0, *Va1, *Va2, *Va3;
i = 0;
n = n << 1;
__builtin_mma_xxsetaccz (&acc0);
__builtin_mma_xxsetaccz (&acc1);
__builtin_mma_xxsetaccz (&acc2);
__builtin_mma_xxsetaccz (&acc3);
__builtin_mma_xxsetaccz (&acc4);
__builtin_mma_xxsetaccz (&acc5);
__builtin_mma_xxsetaccz (&acc6);
__builtin_mma_xxsetaccz (&acc7);
while (i < n) {
vec_t *rx = (vec_t *) & x[i];
Va0 = ((__vector_pair*)((void*)&a0[i]));
Va1 = ((__vector_pair*)((void*)&a1[i]));
Va2 = ((__vector_pair*)((void*)&a2[i]));
Va3 = ((__vector_pair*)((void*)&a3[i]));
__builtin_mma_xvf64gerpp (&acc0, Va0[0], rx[0]);
__builtin_mma_xvf64gerpp (&acc1, Va1[0], rx[0]);
__builtin_mma_xvf64gerpp (&acc2, Va2[0], rx[0]);
__builtin_mma_xvf64gerpp (&acc3, Va3[0], rx[0]);
__builtin_mma_xvf64gerpp (&acc4, Va0[0], rx[1]);
__builtin_mma_xvf64gerpp (&acc5, Va1[0], rx[1]);
__builtin_mma_xvf64gerpp (&acc6, Va2[0], rx[1]);
__builtin_mma_xvf64gerpp (&acc7, Va3[0], rx[1]);
__builtin_mma_xvf64gerpp (&acc0, Va0[1], rx[2]);
__builtin_mma_xvf64gerpp (&acc1, Va1[1], rx[2]);
__builtin_mma_xvf64gerpp (&acc2, Va2[1], rx[2]);
__builtin_mma_xvf64gerpp (&acc3, Va3[1], rx[2]);
__builtin_mma_xvf64gerpp (&acc4, Va0[1], rx[3]);
__builtin_mma_xvf64gerpp (&acc5, Va1[1], rx[3]);
__builtin_mma_xvf64gerpp (&acc6, Va2[1], rx[3]);
__builtin_mma_xvf64gerpp (&acc7, Va3[1], rx[3]);
i += 8;
}
#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
__builtin_mma_disassemble_acc ((void *)result, &acc0);
register FLOAT temp_r0 = result[0][0] - result[1][1];
register FLOAT temp_i0 = result[0][1] + result[1][0];
__builtin_mma_disassemble_acc ((void *)result, &acc4);
temp_r0 += result[2][0] - result[3][1];
temp_i0 += result[2][1] + result[3][0];
__builtin_mma_disassemble_acc ((void *)result, &acc1);
register FLOAT temp_r1 = result[0][0] - result[1][1];
register FLOAT temp_i1 = result[0][1] + result[1][0];
__builtin_mma_disassemble_acc ((void *)result, &acc5);
temp_r1 += result[2][0] - result[3][1];
temp_i1 += result[2][1] + result[3][0];
__builtin_mma_disassemble_acc ((void *)result, &acc2);
register FLOAT temp_r2 = result[0][0] - result[1][1];
register FLOAT temp_i2 = result[0][1] + result[1][0];
__builtin_mma_disassemble_acc ((void *)result, &acc6);
temp_r2 += result[2][0] - result[3][1];
temp_i2 += result[2][1] + result[3][0];
__builtin_mma_disassemble_acc ((void *)result, &acc3);
register FLOAT temp_r3 = result[0][0] - result[1][1];
register FLOAT temp_i3 = result[0][1] + result[1][0];
__builtin_mma_disassemble_acc ((void *)result, &acc7);
temp_r3 += result[2][0] - result[3][1];
temp_i3 += result[2][1] + result[3][0];
#else
__builtin_mma_disassemble_acc ((void *)result, &acc0);
register FLOAT temp_r0 = result[0][0] + result[1][1];
register FLOAT temp_i0 = result[0][1] - result[1][0];
__builtin_mma_disassemble_acc ((void *)result, &acc4);
temp_r0 += result[2][0] + result[3][1];
temp_i0 += result[2][1] - result[3][0];
__builtin_mma_disassemble_acc ((void *)result, &acc1);
register FLOAT temp_r1 = result[0][0] + result[1][1];
register FLOAT temp_i1 = result[0][1] - result[1][0];
__builtin_mma_disassemble_acc ((void *)result, &acc5);
temp_r1 += result[2][0] + result[3][1];
temp_i1 += result[2][1] - result[3][0];
__builtin_mma_disassemble_acc ((void *)result, &acc2);
register FLOAT temp_r2 = result[0][0] + result[1][1];
register FLOAT temp_i2 = result[0][1] - result[1][0];
__builtin_mma_disassemble_acc ((void *)result, &acc6);
temp_r2 += result[2][0] + result[3][1];
temp_i2 += result[2][1] - result[3][0];
__builtin_mma_disassemble_acc ((void *)result, &acc3);
register FLOAT temp_r3 = result[0][0] + result[1][1];
register FLOAT temp_i3 = result[0][1] - result[1][0];
__builtin_mma_disassemble_acc ((void *)result, &acc7);
temp_r3 += result[2][0] + result[3][1];
temp_i3 += result[2][1] - result[3][0];
#endif
#if !defined(XCONJ)
y[0] += alpha_r * temp_r0 - alpha_i * temp_i0;
y[1] += alpha_r * temp_i0 + alpha_i * temp_r0;
y[2] += alpha_r * temp_r1 - alpha_i * temp_i1;
y[3] += alpha_r * temp_i1 + alpha_i * temp_r1;
y[4] += alpha_r * temp_r2 - alpha_i * temp_i2;
y[5] += alpha_r * temp_i2 + alpha_i * temp_r2;
y[6] += alpha_r * temp_r3 - alpha_i * temp_i3;
y[7] += alpha_r * temp_i3 + alpha_i * temp_r3;
#else
y[0] += alpha_r * temp_r0 + alpha_i * temp_i0;
y[1] -= alpha_r * temp_i0 - alpha_i * temp_r0;
y[2] += alpha_r * temp_r1 + alpha_i * temp_i1;
y[3] -= alpha_r * temp_i1 - alpha_i * temp_r1;
y[4] += alpha_r * temp_r2 + alpha_i * temp_i2;
y[5] -= alpha_r * temp_i2 - alpha_i * temp_r2;
y[6] += alpha_r * temp_r3 + alpha_i * temp_i3;
y[7] -= alpha_r * temp_i3 - alpha_i * temp_r3;
#endif
}
#else
static void zgemv_kernel_4x4(BLASLONG n, BLASLONG lda, FLOAT *ap, FLOAT *x, FLOAT *y, FLOAT alpha_r, FLOAT alpha_i) {
BLASLONG i;
FLOAT *a0, *a1, *a2, *a3;
@ -198,6 +326,7 @@ static void zgemv_kernel_4x4(BLASLONG n, BLASLONG lda, FLOAT *ap, FLOAT *x, FLOA
#endif
}
#endif
#else
static void zgemv_kernel_4x4(BLASLONG n, BLASLONG lda, FLOAT *ap, FLOAT *x, FLOAT *y, FLOAT alpha_r, FLOAT alpha_i) {