2 * This file is part of FFmpeg.
4 * FFmpeg is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 #include "libavutil/float_dsp.h"
25 #include "libavutil/internal.h"
30 #define randomize_buffer(buf) \
33 double bmg[2], stddev = 10.0, mean = 0.0; \
35 for (i = 0; i < LEN; i += 2) { \
36 av_bmg_get(&checkasm_lfg, bmg); \
37 buf[i] = bmg[0] * stddev + mean; \
38 buf[i + 1] = bmg[1] * stddev + mean; \
42 static void test_vector_fmul(const float *src0, const float *src1)
44 LOCAL_ALIGNED_32(float, cdst, [LEN]);
45 LOCAL_ALIGNED_32(float, odst, [LEN]);
48 declare_func(void, float *dst, const float *src0, const float *src1,
51 call_ref(cdst, src0, src1, LEN);
52 call_new(odst, src0, src1, LEN);
53 for (i = 0; i < LEN; i++) {
54 if (!float_near_abs_eps(cdst[i], odst[i], FLT_EPSILON)) {
55 fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
56 i, cdst[i], odst[i], cdst[i] - odst[i]);
61 bench_new(odst, src0, src1, LEN);
64 #define ARBITRARY_FMUL_ADD_CONST 0.005
65 static void test_vector_fmul_add(const float *src0, const float *src1, const float *src2)
67 LOCAL_ALIGNED_32(float, cdst, [LEN]);
68 LOCAL_ALIGNED_32(float, odst, [LEN]);
71 declare_func(void, float *dst, const float *src0, const float *src1,
72 const float *src2, int len);
74 call_ref(cdst, src0, src1, src2, LEN);
75 call_new(odst, src0, src1, src2, LEN);
76 for (i = 0; i < LEN; i++) {
77 if (!float_near_abs_eps(cdst[i], odst[i], ARBITRARY_FMUL_ADD_CONST)) {
78 fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
79 i, cdst[i], odst[i], cdst[i] - odst[i]);
84 bench_new(odst, src0, src1, src2, LEN);
87 static void test_vector_fmul_scalar(const float *src0, const float *src1)
89 LOCAL_ALIGNED_16(float, cdst, [LEN]);
90 LOCAL_ALIGNED_16(float, odst, [LEN]);
93 declare_func(void, float *dst, const float *src, float mul, int len);
95 call_ref(cdst, src0, src1[0], LEN);
96 call_new(odst, src0, src1[0], LEN);
97 for (i = 0; i < LEN; i++) {
98 if (!float_near_abs_eps(cdst[i], odst[i], FLT_EPSILON)) {
99 fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
100 i, cdst[i], odst[i], cdst[i] - odst[i]);
105 bench_new(odst, src0, src1[0], LEN);
108 #define ARBITRARY_FMUL_WINDOW_CONST 0.008
109 static void test_vector_fmul_window(const float *src0, const float *src1, const float *win)
111 LOCAL_ALIGNED_16(float, cdst, [LEN]);
112 LOCAL_ALIGNED_16(float, odst, [LEN]);
115 declare_func(void, float *dst, const float *src0, const float *src1,
116 const float *win, int len);
118 call_ref(cdst, src0, src1, win, LEN / 2);
119 call_new(odst, src0, src1, win, LEN / 2);
120 for (i = 0; i < LEN; i++) {
121 if (!float_near_abs_eps(cdst[i], odst[i], ARBITRARY_FMUL_WINDOW_CONST)) {
122 fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
123 i, cdst[i], odst[i], cdst[i] - odst[i]);
128 bench_new(odst, src0, src1, win, LEN / 2);
131 #define ARBITRARY_FMAC_SCALAR_CONST 0.005
132 static void test_vector_fmac_scalar(const float *src0, const float *src1, const float *src2)
134 LOCAL_ALIGNED_32(float, cdst, [LEN]);
135 LOCAL_ALIGNED_32(float, odst, [LEN]);
138 declare_func(void, float *dst, const float *src, float mul, int len);
140 memcpy(cdst, src2, LEN * sizeof(*src2));
141 memcpy(odst, src2, LEN * sizeof(*src2));
143 call_ref(cdst, src0, src1[0], LEN);
144 call_new(odst, src0, src1[0], LEN);
145 for (i = 0; i < LEN; i++) {
146 if (!float_near_abs_eps(cdst[i], odst[i], ARBITRARY_FMAC_SCALAR_CONST)) {
147 fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
148 i, cdst[i], odst[i], cdst[i] - odst[i]);
153 memcpy(odst, src2, LEN * sizeof(*src2));
154 bench_new(odst, src0, src1[0], LEN);
157 static void test_vector_dmul_scalar(const double *src0, const double *src1)
159 LOCAL_ALIGNED_32(double, cdst, [LEN]);
160 LOCAL_ALIGNED_32(double, odst, [LEN]);
163 declare_func(void, double *dst, const double *src, double mul, int len);
165 call_ref(cdst, src0, src1[0], LEN);
166 call_new(odst, src0, src1[0], LEN);
167 for (i = 0; i < LEN; i++) {
168 if (!double_near_abs_eps(cdst[i], odst[i], DBL_EPSILON)) {
169 fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n", i,
170 cdst[i], odst[i], cdst[i] - odst[i]);
175 bench_new(odst, src0, src1[0], LEN);
178 #define ARBITRARY_DMAC_SCALAR_CONST 0.005
179 static void test_vector_dmac_scalar(const double *src0, const double *src1, const double *src2)
181 LOCAL_ALIGNED_32(double, cdst, [LEN]);
182 LOCAL_ALIGNED_32(double, odst, [LEN]);
185 declare_func(void, double *dst, const double *src, double mul, int len);
187 memcpy(cdst, src2, LEN * sizeof(*src2));
188 memcpy(odst, src2, LEN * sizeof(*src2));
189 call_ref(cdst, src0, src1[0], LEN);
190 call_new(odst, src0, src1[0], LEN);
191 for (i = 0; i < LEN; i++) {
192 if (!double_near_abs_eps(cdst[i], odst[i], ARBITRARY_DMAC_SCALAR_CONST)) {
193 fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
194 i, cdst[i], odst[i], cdst[i] - odst[i]);
199 memcpy(odst, src2, LEN * sizeof(*src2));
200 bench_new(odst, src0, src1[0], LEN);
203 static void test_butterflies_float(const float *src0, const float *src1)
205 LOCAL_ALIGNED_16(float, cdst, [LEN]);
206 LOCAL_ALIGNED_16(float, odst, [LEN]);
207 LOCAL_ALIGNED_16(float, cdst1, [LEN]);
208 LOCAL_ALIGNED_16(float, odst1, [LEN]);
211 declare_func(void, float *av_restrict src0, float *av_restrict src1,
214 memcpy(cdst, src0, LEN * sizeof(*src0));
215 memcpy(cdst1, src1, LEN * sizeof(*src1));
216 memcpy(odst, src0, LEN * sizeof(*src0));
217 memcpy(odst1, src1, LEN * sizeof(*src1));
219 call_ref(cdst, cdst1, LEN);
220 call_new(odst, odst1, LEN);
221 for (i = 0; i < LEN; i++) {
222 if (!float_near_abs_eps(cdst[i], odst[i], FLT_EPSILON) ||
223 !float_near_abs_eps(cdst1[i], odst1[i], FLT_EPSILON)) {
224 fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
225 i, cdst[i], odst[i], cdst[i] - odst[i]);
226 fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
227 i, cdst1[i], odst1[i], cdst1[i] - odst1[i]);
232 memcpy(odst, src0, LEN * sizeof(*src0));
233 memcpy(odst1, src1, LEN * sizeof(*src1));
234 bench_new(odst, odst1, LEN);
237 #define ARBITRARY_SCALARPRODUCT_CONST 0.2
238 static void test_scalarproduct_float(const float *src0, const float *src1)
242 declare_func_float(float, const float *src0, const float *src1, int len);
244 cprod = call_ref(src0, src1, LEN);
245 oprod = call_new(src0, src1, LEN);
246 if (!float_near_abs_eps(cprod, oprod, ARBITRARY_SCALARPRODUCT_CONST)) {
247 fprintf(stderr, "%- .12f - %- .12f = % .12g\n",
248 cprod, oprod, cprod - oprod);
251 bench_new(src0, src1, LEN);
254 void checkasm_check_float_dsp(void)
256 LOCAL_ALIGNED_32(float, src0, [LEN]);
257 LOCAL_ALIGNED_32(float, src1, [LEN]);
258 LOCAL_ALIGNED_32(float, src2, [LEN]);
259 LOCAL_ALIGNED_16(float, src3, [LEN]);
260 LOCAL_ALIGNED_16(float, src4, [LEN]);
261 LOCAL_ALIGNED_16(float, src5, [LEN]);
262 LOCAL_ALIGNED_32(double, dbl_src0, [LEN]);
263 LOCAL_ALIGNED_32(double, dbl_src1, [LEN]);
264 LOCAL_ALIGNED_32(double, dbl_src2, [LEN]);
265 AVFloatDSPContext *fdsp = avpriv_float_dsp_alloc(1);
268 fprintf(stderr, "floatdsp: Out of memory error\n");
272 randomize_buffer(src0);
273 randomize_buffer(src1);
274 randomize_buffer(src2);
275 randomize_buffer(src3);
276 randomize_buffer(src4);
277 randomize_buffer(src5);
278 randomize_buffer(dbl_src0);
279 randomize_buffer(dbl_src1);
280 randomize_buffer(dbl_src2);
282 if (check_func(fdsp->vector_fmul, "vector_fmul"))
283 test_vector_fmul(src0, src1);
284 if (check_func(fdsp->vector_fmul_add, "vector_fmul_add"))
285 test_vector_fmul_add(src0, src1, src2);
286 if (check_func(fdsp->vector_fmul_scalar, "vector_fmul_scalar"))
287 test_vector_fmul_scalar(src3, src4);
288 if (check_func(fdsp->vector_fmul_reverse, "vector_fmul_reverse"))
289 test_vector_fmul(src0, src1);
290 if (check_func(fdsp->vector_fmul_window, "vector_fmul_window"))
291 test_vector_fmul_window(src3, src4, src5);
292 report("vector_fmul");
293 if (check_func(fdsp->vector_fmac_scalar, "vector_fmac_scalar"))
294 test_vector_fmac_scalar(src0, src1, src2);
295 report("vector_fmac");
296 if (check_func(fdsp->vector_dmul_scalar, "vector_dmul_scalar"))
297 test_vector_dmul_scalar(dbl_src0, dbl_src1);
298 report("vector_dmul");
299 if (check_func(fdsp->vector_dmac_scalar, "vector_dmac_scalar"))
300 test_vector_dmac_scalar(dbl_src0, dbl_src1, dbl_src2);
301 report("vector_dmac");
302 if (check_func(fdsp->butterflies_float, "butterflies_float"))
303 test_butterflies_float(src3, src4);
304 report("butterflies_float");
305 if (check_func(fdsp->scalarproduct_float, "scalarproduct_float"))
306 test_scalarproduct_float(src3, src4);
307 report("scalarproduct_float");