Vector Optimized Library of Kernels  3.0.0
Architecture-tuned implementations of math kernels
volk_32f_x2_add_32f.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2012, 2014 Free Software Foundation, Inc.
4  *
5  * This file is part of VOLK
6  *
7  * SPDX-License-Identifier: LGPL-3.0-or-later
8  */
9 
61 #ifndef INCLUDED_volk_32f_x2_add_32f_u_H
62 #define INCLUDED_volk_32f_x2_add_32f_u_H
63 
64 #include <inttypes.h>
65 #include <stdio.h>
66 
67 #ifdef LV_HAVE_AVX512F
68 #include <immintrin.h>
69 
70 static inline void volk_32f_x2_add_32f_u_avx512f(float* cVector,
71  const float* aVector,
72  const float* bVector,
73  unsigned int num_points)
74 {
75  unsigned int number = 0;
76  const unsigned int sixteenthPoints = num_points / 16;
77 
78  float* cPtr = cVector;
79  const float* aPtr = aVector;
80  const float* bPtr = bVector;
81 
82  __m512 aVal, bVal, cVal;
83  for (; number < sixteenthPoints; number++) {
84 
85  aVal = _mm512_loadu_ps(aPtr);
86  bVal = _mm512_loadu_ps(bPtr);
87 
88  cVal = _mm512_add_ps(aVal, bVal);
89 
90  _mm512_storeu_ps(cPtr, cVal); // Store the results back into the C container
91 
92  aPtr += 16;
93  bPtr += 16;
94  cPtr += 16;
95  }
96 
97  number = sixteenthPoints * 16;
98 
99  for (; number < num_points; number++) {
100  *cPtr++ = (*aPtr++) + (*bPtr++);
101  }
102 }
103 
104 #endif /* LV_HAVE_AVX512F */
105 
106 
107 #ifdef LV_HAVE_AVX
108 #include <immintrin.h>
109 
110 static inline void volk_32f_x2_add_32f_u_avx(float* cVector,
111  const float* aVector,
112  const float* bVector,
113  unsigned int num_points)
114 {
115  unsigned int number = 0;
116  const unsigned int eighthPoints = num_points / 8;
117  float* cPtr = cVector;
118  const float* aPtr = aVector;
119  const float* bPtr = bVector;
120  __m256 aVal, bVal, cVal;
121  for (; number < eighthPoints; number++) {
122 
123  aVal = _mm256_loadu_ps(aPtr);
124  bVal = _mm256_loadu_ps(bPtr);
125 
126  cVal = _mm256_add_ps(aVal, bVal);
127 
128  _mm256_storeu_ps(cPtr, cVal); // Store the results back into the C container
129 
130  aPtr += 8;
131  bPtr += 8;
132  cPtr += 8;
133  }
134 
135  number = eighthPoints * 8;
136 
137  for (; number < num_points; number++) {
138  *cPtr++ = (*aPtr++) + (*bPtr++);
139  }
140 }
141 #endif /* LV_HAVE_AVX */
142 
143 
144 #ifdef LV_HAVE_SSE
145 #include <xmmintrin.h>
146 
147 static inline void volk_32f_x2_add_32f_u_sse(float* cVector,
148  const float* aVector,
149  const float* bVector,
150  unsigned int num_points)
151 {
152  unsigned int number = 0;
153  const unsigned int quarterPoints = num_points / 4;
154 
155  float* cPtr = cVector;
156  const float* aPtr = aVector;
157  const float* bPtr = bVector;
158 
159  __m128 aVal, bVal, cVal;
160  for (; number < quarterPoints; number++) {
161 
162  aVal = _mm_loadu_ps(aPtr);
163  bVal = _mm_loadu_ps(bPtr);
164 
165  cVal = _mm_add_ps(aVal, bVal);
166 
167  _mm_storeu_ps(cPtr, cVal); // Store the results back into the C container
168 
169  aPtr += 4;
170  bPtr += 4;
171  cPtr += 4;
172  }
173 
174  number = quarterPoints * 4;
175  for (; number < num_points; number++) {
176  *cPtr++ = (*aPtr++) + (*bPtr++);
177  }
178 }
179 #endif /* LV_HAVE_SSE */
180 
181 
182 #ifdef LV_HAVE_GENERIC
183 
184 static inline void volk_32f_x2_add_32f_generic(float* cVector,
185  const float* aVector,
186  const float* bVector,
187  unsigned int num_points)
188 {
189  float* cPtr = cVector;
190  const float* aPtr = aVector;
191  const float* bPtr = bVector;
192  unsigned int number = 0;
193 
194  for (number = 0; number < num_points; number++) {
195  *cPtr++ = (*aPtr++) + (*bPtr++);
196  }
197 }
198 #endif /* LV_HAVE_GENERIC */
199 
200 
201 #endif /* INCLUDED_volk_32f_x2_add_32f_u_H */
202 #ifndef INCLUDED_volk_32f_x2_add_32f_a_H
203 #define INCLUDED_volk_32f_x2_add_32f_a_H
204 
205 #include <inttypes.h>
206 #include <stdio.h>
207 
208 #ifdef LV_HAVE_AVX512F
209 #include <immintrin.h>
210 
211 static inline void volk_32f_x2_add_32f_a_avx512f(float* cVector,
212  const float* aVector,
213  const float* bVector,
214  unsigned int num_points)
215 {
216  unsigned int number = 0;
217  const unsigned int sixteenthPoints = num_points / 16;
218 
219  float* cPtr = cVector;
220  const float* aPtr = aVector;
221  const float* bPtr = bVector;
222 
223  __m512 aVal, bVal, cVal;
224  for (; number < sixteenthPoints; number++) {
225 
226  aVal = _mm512_load_ps(aPtr);
227  bVal = _mm512_load_ps(bPtr);
228 
229  cVal = _mm512_add_ps(aVal, bVal);
230 
231  _mm512_store_ps(cPtr, cVal); // Store the results back into the C container
232 
233  aPtr += 16;
234  bPtr += 16;
235  cPtr += 16;
236  }
237 
238  number = sixteenthPoints * 16;
239 
240  for (; number < num_points; number++) {
241  *cPtr++ = (*aPtr++) + (*bPtr++);
242  }
243 }
244 
245 #endif /* LV_HAVE_AVX512F */
246 
247 
248 #ifdef LV_HAVE_AVX
249 #include <immintrin.h>
250 
251 static inline void volk_32f_x2_add_32f_a_avx(float* cVector,
252  const float* aVector,
253  const float* bVector,
254  unsigned int num_points)
255 {
256  unsigned int number = 0;
257  const unsigned int eighthPoints = num_points / 8;
258 
259  float* cPtr = cVector;
260  const float* aPtr = aVector;
261  const float* bPtr = bVector;
262 
263  __m256 aVal, bVal, cVal;
264  for (; number < eighthPoints; number++) {
265 
266  aVal = _mm256_load_ps(aPtr);
267  bVal = _mm256_load_ps(bPtr);
268 
269  cVal = _mm256_add_ps(aVal, bVal);
270 
271  _mm256_store_ps(cPtr, cVal); // Store the results back into the C container
272 
273  aPtr += 8;
274  bPtr += 8;
275  cPtr += 8;
276  }
277 
278  number = eighthPoints * 8;
279  for (; number < num_points; number++) {
280  *cPtr++ = (*aPtr++) + (*bPtr++);
281  }
282 }
283 #endif /* LV_HAVE_AVX */
284 
285 #ifdef LV_HAVE_SSE
286 #include <xmmintrin.h>
287 
288 static inline void volk_32f_x2_add_32f_a_sse(float* cVector,
289  const float* aVector,
290  const float* bVector,
291  unsigned int num_points)
292 {
293  unsigned int number = 0;
294  const unsigned int quarterPoints = num_points / 4;
295 
296  float* cPtr = cVector;
297  const float* aPtr = aVector;
298  const float* bPtr = bVector;
299 
300  __m128 aVal, bVal, cVal;
301  for (; number < quarterPoints; number++) {
302  aVal = _mm_load_ps(aPtr);
303  bVal = _mm_load_ps(bPtr);
304 
305  cVal = _mm_add_ps(aVal, bVal);
306 
307  _mm_store_ps(cPtr, cVal); // Store the results back into the C container
308 
309  aPtr += 4;
310  bPtr += 4;
311  cPtr += 4;
312  }
313 
314  number = quarterPoints * 4;
315  for (; number < num_points; number++) {
316  *cPtr++ = (*aPtr++) + (*bPtr++);
317  }
318 }
319 #endif /* LV_HAVE_SSE */
320 
321 
322 #ifdef LV_HAVE_NEON
323 #include <arm_neon.h>
324 
325 static inline void volk_32f_x2_add_32f_u_neon(float* cVector,
326  const float* aVector,
327  const float* bVector,
328  unsigned int num_points)
329 {
330  unsigned int number = 0;
331  const unsigned int quarterPoints = num_points / 4;
332 
333  float* cPtr = cVector;
334  const float* aPtr = aVector;
335  const float* bPtr = bVector;
336  float32x4_t aVal, bVal, cVal;
337  for (number = 0; number < quarterPoints; number++) {
338  // Load in to NEON registers
339  aVal = vld1q_f32(aPtr);
340  bVal = vld1q_f32(bPtr);
341  __VOLK_PREFETCH(aPtr + 4);
342  __VOLK_PREFETCH(bPtr + 4);
343 
344  // vector add
345  cVal = vaddq_f32(aVal, bVal);
346  // Store the results back into the C container
347  vst1q_f32(cPtr, cVal);
348 
349  aPtr += 4; // q uses quadwords, 4 floats per vadd
350  bPtr += 4;
351  cPtr += 4;
352  }
353 
354  number = quarterPoints * 4; // should be = num_points
355  for (; number < num_points; number++) {
356  *cPtr++ = (*aPtr++) + (*bPtr++);
357  }
358 }
359 
360 #endif /* LV_HAVE_NEON */
361 
362 #ifdef LV_HAVE_NEONV7
363 extern void volk_32f_x2_add_32f_a_neonasm(float* cVector,
364  const float* aVector,
365  const float* bVector,
366  unsigned int num_points);
367 #endif /* LV_HAVE_NEONV7 */
368 
369 #ifdef LV_HAVE_NEONV7
370 extern void volk_32f_x2_add_32f_a_neonpipeline(float* cVector,
371  const float* aVector,
372  const float* bVector,
373  unsigned int num_points);
374 #endif /* LV_HAVE_NEONV7 */
375 
376 #ifdef LV_HAVE_GENERIC
377 
378 static inline void volk_32f_x2_add_32f_a_generic(float* cVector,
379  const float* aVector,
380  const float* bVector,
381  unsigned int num_points)
382 {
383  float* cPtr = cVector;
384  const float* aPtr = aVector;
385  const float* bPtr = bVector;
386  unsigned int number = 0;
387 
388  for (number = 0; number < num_points; number++) {
389  *cPtr++ = (*aPtr++) + (*bPtr++);
390  }
391 }
392 #endif /* LV_HAVE_GENERIC */
393 
394 
395 #ifdef LV_HAVE_ORC
396 
397 extern void volk_32f_x2_add_32f_a_orc_impl(float* cVector,
398  const float* aVector,
399  const float* bVector,
400  unsigned int num_points);
401 
402 static inline void volk_32f_x2_add_32f_u_orc(float* cVector,
403  const float* aVector,
404  const float* bVector,
405  unsigned int num_points)
406 {
407  volk_32f_x2_add_32f_a_orc_impl(cVector, aVector, bVector, num_points);
408 }
409 
410 #endif /* LV_HAVE_ORC */
411 
412 
413 #endif /* INCLUDED_volk_32f_x2_add_32f_a_H */
__m128
float32x4_t __m128
Definition: sse2neon.h:235
_mm_storeu_ps
FORCE_INLINE void _mm_storeu_ps(float *p, __m128 a)
Definition: sse2neon.h:2787
_mm_loadu_ps
FORCE_INLINE __m128 _mm_loadu_ps(const float *p)
Definition: sse2neon.h:1941
_mm_add_ps
FORCE_INLINE __m128 _mm_add_ps(__m128 a, __m128 b)
Definition: sse2neon.h:1039
_mm_load_ps
FORCE_INLINE __m128 _mm_load_ps(const float *p)
Definition: sse2neon.h:1858
_mm_store_ps
FORCE_INLINE void _mm_store_ps(float *p, __m128 a)
Definition: sse2neon.h:2704
volk_32f_x2_add_32f_u_neon
static void volk_32f_x2_add_32f_u_neon(float *cVector, const float *aVector, const float *bVector, unsigned int num_points)
Definition: volk_32f_x2_add_32f.h:325
volk_32f_x2_add_32f_u_sse
static void volk_32f_x2_add_32f_u_sse(float *cVector, const float *aVector, const float *bVector, unsigned int num_points)
Definition: volk_32f_x2_add_32f.h:147
volk_32f_x2_add_32f_a_generic
static void volk_32f_x2_add_32f_a_generic(float *cVector, const float *aVector, const float *bVector, unsigned int num_points)
Definition: volk_32f_x2_add_32f.h:378
volk_32f_x2_add_32f_a_avx
static void volk_32f_x2_add_32f_a_avx(float *cVector, const float *aVector, const float *bVector, unsigned int num_points)
Definition: volk_32f_x2_add_32f.h:251
volk_32f_x2_add_32f_u_avx
static void volk_32f_x2_add_32f_u_avx(float *cVector, const float *aVector, const float *bVector, unsigned int num_points)
Definition: volk_32f_x2_add_32f.h:110
volk_32f_x2_add_32f_a_sse
static void volk_32f_x2_add_32f_a_sse(float *cVector, const float *aVector, const float *bVector, unsigned int num_points)
Definition: volk_32f_x2_add_32f.h:288
volk_32f_x2_add_32f_generic
static void volk_32f_x2_add_32f_generic(float *cVector, const float *aVector, const float *bVector, unsigned int num_points)
Definition: volk_32f_x2_add_32f.h:184
__VOLK_PREFETCH
#define __VOLK_PREFETCH(addr)
Definition: volk_common.h:71