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
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
/*
BLIS
An object-based framework for developing high-performance BLAS-like
libraries.
Copyright (C) 2014, The University of Texas at Austin
Copyright (C) 2018 - 2019, Advanced Micro Devices, Inc.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name(s) of the copyright holder(s) nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "blis.h"
#include "test_libblis.h"
// Static variables.
static char* op_str = "scalm";
static char* o_types = "m"; // x
static char* p_types = "c"; // conjalpha
static thresh_t thresh[BLIS_NUM_FP_TYPES] = { { 1e-04, 1e-05 }, // warn, pass for s
{ 1e-04, 1e-05 }, // warn, pass for c
{ 1e-13, 1e-14 }, // warn, pass for d
{ 1e-13, 1e-14 } }; // warn, pass for z
// Local prototypes.
void libblis_test_scalm_deps
(
thread_data_t* tdata,
test_params_t* params,
test_op_t* op
);
void libblis_test_scalm_experiment
(
test_params_t* params,
test_op_t* op,
iface_t iface,
char* dc_str,
char* pc_str,
char* sc_str,
unsigned int p_cur,
double* perf,
double* resid
);
void libblis_test_scalm_impl
(
iface_t iface,
obj_t* alpha,
obj_t* y
);
void libblis_test_scalm_check
(
test_params_t* params,
obj_t* alpha,
obj_t* y,
obj_t* y_save,
double* resid
);
void libblis_test_scalm_deps
(
thread_data_t* tdata,
test_params_t* params,
test_op_t* op
)
{
libblis_test_randm( tdata, params, &(op->ops->randm) );
libblis_test_normfm( tdata, params, &(op->ops->normfm) );
libblis_test_copym( tdata, params, &(op->ops->copym) );
}
void libblis_test_scalm
(
thread_data_t* tdata,
test_params_t* params,
test_op_t* op
)
{
// Return early if this test has already been done.
if ( libblis_test_op_is_done( op ) ) return;
// Return early if operation is disabled.
if ( libblis_test_op_is_disabled( op ) ||
libblis_test_l1m_is_disabled( op ) ) return;
// Call dependencies first.
if ( TRUE ) libblis_test_scalm_deps( tdata, params, op );
// Execute the test driver for each implementation requested.
//if ( op->front_seq == ENABLE )
{
libblis_test_op_driver( tdata,
params,
op,
BLIS_TEST_SEQ_FRONT_END,
op_str,
p_types,
o_types,
thresh,
libblis_test_scalm_experiment );
}
}
void libblis_test_scalm_experiment
(
test_params_t* params,
test_op_t* op,
iface_t iface,
char* dc_str,
char* pc_str,
char* sc_str,
unsigned int p_cur,
double* perf,
double* resid
)
{
unsigned int n_repeats = params->n_repeats;
unsigned int i;
double time_min = DBL_MAX;
double time;
num_t datatype;
dim_t m, n;
conj_t conjalpha;
obj_t alpha, y;
obj_t y_save;
// Use the datatype of the first char in the datatype combination string.
bli_param_map_char_to_blis_dt( dc_str[0], &datatype );
// Map the dimension specifier to actual dimensions.
m = libblis_test_get_dim_from_prob_size( op->dim_spec[0], p_cur );
n = libblis_test_get_dim_from_prob_size( op->dim_spec[1], p_cur );
// Map parameter characters to BLIS constants.
bli_param_map_char_to_blis_conj( pc_str[0], &conjalpha );
// Create test scalars.
bli_obj_scalar_init_detached( datatype, &alpha );
// Create test operands (vectors and/or matrices).
libblis_test_mobj_create( params, datatype, BLIS_NO_TRANSPOSE,
sc_str[0], m, n, &y );
libblis_test_mobj_create( params, datatype, BLIS_NO_TRANSPOSE,
sc_str[0], m, n, &y_save );
// Set alpha to 0 + i.
//bli_setsc( 0.0, 1.0, &alpha );
if ( bli_obj_is_real( &y ) )
bli_setsc( -2.0, 0.0, &alpha );
else
bli_setsc( 0.0, -2.0, &alpha );
// Randomize and save y.
libblis_test_mobj_randomize( params, FALSE, &y );
bli_copym( &y, &y_save );
// Apply the parameters.
bli_obj_set_conj( conjalpha, &alpha );
// Repeat the experiment n_repeats times and record results.
for ( i = 0; i < n_repeats; ++i )
{
bli_copym( &y_save, &y );
time = bli_clock();
libblis_test_scalm_impl( iface, &alpha, &y );
time_min = bli_clock_min_diff( time_min, time );
}
// Estimate the performance of the best experiment repeat.
*perf = ( 1.0 * m * n ) / time_min / FLOPS_PER_UNIT_PERF;
if ( bli_obj_is_complex( &y ) ) *perf *= 6.0;
// Perform checks.
libblis_test_scalm_check( params, &alpha, &y, &y_save, resid );
// Zero out performance and residual if output matrix is empty.
libblis_test_check_empty_problem( &y, perf, resid );
// Free the test objects.
bli_obj_free( &y );
bli_obj_free( &y_save );
}
void libblis_test_scalm_impl
(
iface_t iface,
obj_t* alpha,
obj_t* y
)
{
switch ( iface )
{
case BLIS_TEST_SEQ_FRONT_END:
bli_scalm( alpha, y );
break;
default:
libblis_test_printf_error( "Invalid interface type.\n" );
}
}
void libblis_test_scalm_check
(
test_params_t* params,
obj_t* alpha,
obj_t* y,
obj_t* y_orig,
double* resid
)
{
num_t dt = bli_obj_dt( y );
num_t dt_real = bli_obj_dt_proj_to_real( y );
dim_t m = bli_obj_length( y );
dim_t n = bli_obj_width( y );
obj_t norm_y_r;
obj_t nalpha;
obj_t y2;
double junk;
//
// Pre-conditions:
// - y_orig is randomized.
// Note:
// - alpha should have a non-zero imaginary component in the complex
// cases in order to more fully exercise the implementation.
//
// Under these conditions, we assume that the implementation for
//
// y := conjalpha(alpha) * y_orig
//
// is functioning correctly if
//
// normfm( y + -conjalpha(alpha) * y_orig )
//
// is negligible.
//
bli_obj_create( dt, m, n, 0, 0, &y2 );
bli_copym( y_orig, &y2 );
bli_obj_scalar_init_detached( dt, &nalpha );
bli_obj_scalar_init_detached( dt_real, &norm_y_r );
bli_copysc( alpha, &nalpha );
bli_mulsc( &BLIS_MINUS_ONE, &nalpha );
bli_scalm( &nalpha, &y2 );
bli_addm( &y2, y );
bli_normfm( y, &norm_y_r );
bli_getsc( &norm_y_r, resid, &junk );
bli_obj_free( &y2 );
}