1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
/* { dg-do run { target { power10_hw } } } */
/* { dg-do link { target { ! power10_hw } } } */
/* { dg-require-effective-target power10_ok } */
/* { dg-require-effective-target ppc_mma_hw } */
/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
#include <stdio.h>
#include <stdlib.h>
#include <altivec.h>
typedef unsigned char vec_t __attribute__ ((vector_size (16)));
typedef double v4sf_t __attribute__ ((vector_size (16)));
#define SAVE_ACC(ACC, ldc, J) \
__builtin_mma_disassemble_acc (result, ACC); \
rowC = (v4sf_t *) &CO[0*ldc+J]; \
rowC[0] += result[0]; \
rowC = (v4sf_t *) &CO[1*ldc+J]; \
rowC[0] += result[1]; \
rowC = (v4sf_t *) &CO[2*ldc+J]; \
rowC[0] += result[2]; \
rowC = (v4sf_t *) &CO[3*ldc+J]; \
rowC[0] += result[3];
void
MMA (int m, int n, int k, double *A, double *B, double *C)
{
__vector_quad acc0, acc1, acc2, acc3, acc4, acc5, acc6, acc7;
v4sf_t result[4];
v4sf_t *rowC;
for (int l = 0; l < n; l += 4)
{
double *CO;
double *AO;
AO = A;
CO = C;
C += m * 4;
for (int j = 0; j < m; j += 16)
{
double *BO = B;
__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);
unsigned long i;
for (i = 0; i < k; i++)
{
vec_t *rowA = (vec_t *) & AO[i * 16];
__vector_pair rowB;
vec_t *rb = (vec_t *) & BO[i * 4];
__builtin_mma_assemble_pair (&rowB, rb[1], rb[0]);
__builtin_mma_xvf64gerpp (&acc0, rowB, rowA[0]);
__builtin_mma_xvf64gerpp (&acc1, rowB, rowA[1]);
__builtin_mma_xvf64gerpp (&acc2, rowB, rowA[2]);
__builtin_mma_xvf64gerpp (&acc3, rowB, rowA[3]);
__builtin_mma_xvf64gerpp (&acc4, rowB, rowA[4]);
__builtin_mma_xvf64gerpp (&acc5, rowB, rowA[5]);
__builtin_mma_xvf64gerpp (&acc6, rowB, rowA[6]);
__builtin_mma_xvf64gerpp (&acc7, rowB, rowA[7]);
}
SAVE_ACC (&acc0, m, 0);
SAVE_ACC (&acc2, m, 4);
SAVE_ACC (&acc1, m, 2);
SAVE_ACC (&acc3, m, 6);
SAVE_ACC (&acc4, m, 8);
SAVE_ACC (&acc6, m, 12);
SAVE_ACC (&acc5, m, 10);
SAVE_ACC (&acc7, m, 14);
AO += k * 16;
BO += k * 4;
CO += 16;
}
B += k * 4;
}
}
void
init (double *matrix, int row, int column)
{
for (int j = 0; j < column; j++)
{
for (int i = 0; i < row; i++)
{
matrix[j * row + i] = (i * 16 + 2 + j) / 0.123;
}
}
}
void
init0 (double *matrix, double *matrix1, int row, int column)
{
for (int j = 0; j < column; j++)
for (int i = 0; i < row; i++)
matrix[j * row + i] = matrix1[j * row + i] = 0;
}
void
print (const char *name, const double *matrix, int row, int column)
{
printf ("Matrix %s has %d rows and %d columns:\n", name, row, column);
for (int i = 0; i < row; i++)
{
for (int j = 0; j < column; j++)
{
printf ("%f ", matrix[j * row + i]);
}
printf ("\n");
}
printf ("\n");
}
int
main (int argc, char *argv[])
{
int rowsA, colsB, common;
int i, j, k;
int ret = 0;
for (int t = 16; t <= 128; t += 16)
{
for (int t1 = 4; t1 <= 16; t1 += 4)
{
rowsA = t;
colsB = t1;
common = 1;
/* printf ("Running test for rows = %d,cols = %d\n", t, t1); */
double A[rowsA * common];
double B[common * colsB];
double C[rowsA * colsB];
double D[rowsA * colsB];
init (A, rowsA, common);
init (B, common, colsB);
init0 (C, D, rowsA, colsB);
MMA (rowsA, colsB, common, A, B, C);
for (i = 0; i < colsB; i++)
{
for (j = 0; j < rowsA; j++)
{
D[i * rowsA + j] = 0;
for (k = 0; k < common; k++)
{
D[i * rowsA + j] +=
A[k * rowsA + j] * B[k + common * i];
}
}
}
for (i = 0; i < colsB; i++)
{
for (j = 0; j < rowsA; j++)
{
for (k = 0; k < common; k++)
{
if (D[i * rowsA + j] != C[i * rowsA + j])
{
printf ("Error %d,%d,%d\n",i,j,k);
ret++;
}
}
}
}
if (ret)
{
print ("A", A, rowsA, common);
print ("B", B, common, colsB);
print ("C", C, rowsA, colsB);
print ("D", D, rowsA, colsB);
}
}
}
#ifdef VERBOSE
if (ret)
printf ("MMA double test fail: %d errors\n",ret);
else
printf ("MMA single test success: 0 MMA errors\n");
#else
if (ret)
abort();
#endif
return ret;
}
|
