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37 #ifndef GMX_SIMD_IMPL_X86_AVX_512_SIMD_DOUBLE_H
38 #define GMX_SIMD_IMPL_X86_AVX_512_SIMD_DOUBLE_H
45 #include <immintrin.h>
47 #include "gromacs/math/utilities.h"
48 #include "gromacs/utility/basedefinitions.h"
50 #include "impl_x86_avx_512_general.h"
51 #include "impl_x86_avx_512_simd_float.h"
61 SimdDouble(double d) : simdInternal_(_mm512_set1_pd(d)) {}
63 // Internal utility constructor to simplify return statements
64 SimdDouble(__m512d simd) : simdInternal_(simd) {}
66 __m512d simdInternal_;
74 SimdDInt32(std::int32_t i) : simdInternal_(_mm256_set1_epi32(i)) {}
76 // Internal utility constructor to simplify return statements
77 SimdDInt32(__m256i simd) : simdInternal_(simd) {}
79 __m256i simdInternal_;
87 // Internal utility constructor to simplify return statements
88 SimdDBool(__mmask8 simd) : simdInternal_(simd) {}
90 __mmask8 simdInternal_;
98 // Internal utility constructor to simplify return statements
99 SimdDIBool(__mmask16 simd) : simdInternal_(simd) {}
101 __mmask16 simdInternal_;
104 static inline SimdDouble gmx_simdcall simdLoad(const double* m, SimdDoubleTag = {})
106 assert(std::size_t(m) % 64 == 0);
107 return { _mm512_load_pd(m) };
110 static inline void gmx_simdcall store(double* m, SimdDouble a)
112 assert(std::size_t(m) % 64 == 0);
113 _mm512_store_pd(m, a.simdInternal_);
116 static inline SimdDouble gmx_simdcall simdLoadU(const double* m, SimdDoubleTag = {})
118 return { _mm512_loadu_pd(m) };
121 static inline void gmx_simdcall storeU(double* m, SimdDouble a)
123 _mm512_storeu_pd(m, a.simdInternal_);
126 static inline SimdDouble gmx_simdcall setZeroD()
128 return { _mm512_setzero_pd() };
131 static inline SimdDInt32 gmx_simdcall simdLoad(const std::int32_t* m, SimdDInt32Tag)
133 assert(std::size_t(m) % 32 == 0);
134 return { _mm256_load_si256(reinterpret_cast<const __m256i*>(m)) };
137 static inline void gmx_simdcall store(std::int32_t* m, SimdDInt32 a)
139 assert(std::size_t(m) % 32 == 0);
140 _mm256_store_si256(reinterpret_cast<__m256i*>(m), a.simdInternal_);
143 static inline SimdDInt32 gmx_simdcall simdLoadU(const std::int32_t* m, SimdDInt32Tag)
145 return { _mm256_loadu_si256(reinterpret_cast<const __m256i*>(m)) };
148 static inline void gmx_simdcall storeU(std::int32_t* m, SimdDInt32 a)
150 _mm256_storeu_si256(reinterpret_cast<__m256i*>(m), a.simdInternal_);
153 static inline SimdDInt32 gmx_simdcall setZeroDI()
155 return { _mm256_setzero_si256() };
158 static inline SimdDouble gmx_simdcall operator&(SimdDouble a, SimdDouble b)
160 return { _mm512_castsi512_pd(_mm512_and_epi32(_mm512_castpd_si512(a.simdInternal_),
161 _mm512_castpd_si512(b.simdInternal_))) };
164 static inline SimdDouble gmx_simdcall andNot(SimdDouble a, SimdDouble b)
166 return { _mm512_castsi512_pd(_mm512_andnot_epi32(_mm512_castpd_si512(a.simdInternal_),
167 _mm512_castpd_si512(b.simdInternal_))) };
170 static inline SimdDouble gmx_simdcall operator|(SimdDouble a, SimdDouble b)
172 return { _mm512_castsi512_pd(_mm512_or_epi32(_mm512_castpd_si512(a.simdInternal_),
173 _mm512_castpd_si512(b.simdInternal_))) };
176 static inline SimdDouble gmx_simdcall operator^(SimdDouble a, SimdDouble b)
178 return { _mm512_castsi512_pd(_mm512_xor_epi32(_mm512_castpd_si512(a.simdInternal_),
179 _mm512_castpd_si512(b.simdInternal_))) };
182 static inline SimdDouble gmx_simdcall operator+(SimdDouble a, SimdDouble b)
184 return { _mm512_add_pd(a.simdInternal_, b.simdInternal_) };
187 static inline SimdDouble gmx_simdcall operator-(SimdDouble a, SimdDouble b)
189 return { _mm512_sub_pd(a.simdInternal_, b.simdInternal_) };
192 static inline SimdDouble gmx_simdcall operator-(SimdDouble x)
194 return { _mm512_castsi512_pd(_mm512_xor_epi32(_mm512_castpd_si512(x.simdInternal_),
195 _mm512_castpd_si512(_mm512_set1_pd(GMX_DOUBLE_NEGZERO)))) };
198 static inline SimdDouble gmx_simdcall operator*(SimdDouble a, SimdDouble b)
200 return { _mm512_mul_pd(a.simdInternal_, b.simdInternal_) };
203 static inline SimdDouble gmx_simdcall fma(SimdDouble a, SimdDouble b, SimdDouble c)
205 return { _mm512_fmadd_pd(a.simdInternal_, b.simdInternal_, c.simdInternal_) };
208 static inline SimdDouble gmx_simdcall fms(SimdDouble a, SimdDouble b, SimdDouble c)
210 return { _mm512_fmsub_pd(a.simdInternal_, b.simdInternal_, c.simdInternal_) };
213 static inline SimdDouble gmx_simdcall fnma(SimdDouble a, SimdDouble b, SimdDouble c)
215 return { _mm512_fnmadd_pd(a.simdInternal_, b.simdInternal_, c.simdInternal_) };
218 static inline SimdDouble gmx_simdcall fnms(SimdDouble a, SimdDouble b, SimdDouble c)
220 return { _mm512_fnmsub_pd(a.simdInternal_, b.simdInternal_, c.simdInternal_) };
223 // Override for AVX-512-KNL
224 #if GMX_SIMD_X86_AVX_512
225 static inline SimdDouble gmx_simdcall rsqrt(SimdDouble x)
227 return { _mm512_rsqrt14_pd(x.simdInternal_) };
230 static inline SimdDouble gmx_simdcall rcp(SimdDouble x)
232 return { _mm512_rcp14_pd(x.simdInternal_) };
236 static inline SimdDouble gmx_simdcall maskAdd(SimdDouble a, SimdDouble b, SimdDBool m)
238 return { _mm512_mask_add_pd(a.simdInternal_, m.simdInternal_, a.simdInternal_, b.simdInternal_) };
241 static inline SimdDouble gmx_simdcall maskzMul(SimdDouble a, SimdDouble b, SimdDBool m)
243 return { _mm512_maskz_mul_pd(m.simdInternal_, a.simdInternal_, b.simdInternal_) };
246 static inline SimdDouble gmx_simdcall maskzFma(SimdDouble a, SimdDouble b, SimdDouble c, SimdDBool m)
248 return { _mm512_maskz_fmadd_pd(m.simdInternal_, a.simdInternal_, b.simdInternal_, c.simdInternal_) };
251 // Override for AVX-512-KNL
252 #if GMX_SIMD_X86_AVX_512
253 static inline SimdDouble gmx_simdcall maskzRsqrt(SimdDouble x, SimdDBool m)
255 return { _mm512_maskz_rsqrt14_pd(m.simdInternal_, x.simdInternal_) };
258 static inline SimdDouble gmx_simdcall maskzRcp(SimdDouble x, SimdDBool m)
260 return { _mm512_maskz_rcp14_pd(m.simdInternal_, x.simdInternal_) };
264 static inline SimdDouble gmx_simdcall abs(SimdDouble x)
266 return { _mm512_castsi512_pd(_mm512_andnot_epi32(_mm512_castpd_si512(_mm512_set1_pd(GMX_DOUBLE_NEGZERO)),
267 _mm512_castpd_si512(x.simdInternal_))) };
270 static inline SimdDouble gmx_simdcall max(SimdDouble a, SimdDouble b)
272 return { _mm512_max_pd(a.simdInternal_, b.simdInternal_) };
275 static inline SimdDouble gmx_simdcall min(SimdDouble a, SimdDouble b)
277 return { _mm512_min_pd(a.simdInternal_, b.simdInternal_) };
280 static inline SimdDouble gmx_simdcall round(SimdDouble x)
282 return { _mm512_roundscale_pd(x.simdInternal_, 0) };
285 static inline SimdDouble gmx_simdcall trunc(SimdDouble x)
287 #if defined(__INTEL_COMPILER) || defined(__ECC)
288 return { _mm512_trunc_pd(x.simdInternal_) };
290 return { _mm512_cvtepi32_pd(_mm512_cvttpd_epi32(x.simdInternal_)) };
294 static inline SimdDouble frexp(SimdDouble value, SimdDInt32* exponent)
296 __m512d rExponent = _mm512_getexp_pd(value.simdInternal_);
297 __m256i iExponent = _mm512_cvtpd_epi32(rExponent);
299 exponent->simdInternal_ = _mm256_add_epi32(iExponent, _mm256_set1_epi32(1));
301 return { _mm512_getmant_pd(value.simdInternal_, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src) };
304 template<MathOptimization opt = MathOptimization::Safe>
305 static inline SimdDouble ldexp(SimdDouble value, SimdDInt32 exponent)
307 const __m256i exponentBias = _mm256_set1_epi32(1023);
308 __m256i iExponent = _mm256_add_epi32(exponent.simdInternal_, exponentBias);
309 __m512i iExponent512;
311 if (opt == MathOptimization::Safe)
313 // Make sure biased argument is not negative
314 iExponent = _mm256_max_epi32(iExponent, _mm256_setzero_si256());
318 _mm512_permutexvar_epi32(_mm512_set_epi32(7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 0, 0),
319 _mm512_castsi256_si512(iExponent));
321 _mm512_mask_slli_epi32(_mm512_setzero_epi32(), avx512Int2Mask(0xAAAA), iExponent512, 20);
322 return _mm512_mul_pd(_mm512_castsi512_pd(iExponent512), value.simdInternal_);
325 static inline double gmx_simdcall reduce(SimdDouble a)
327 __m512d x = a.simdInternal_;
328 x = _mm512_add_pd(x, _mm512_shuffle_f64x2(x, x, 0xEE));
329 x = _mm512_add_pd(x, _mm512_shuffle_f64x2(x, x, 0x11));
330 x = _mm512_add_pd(x, _mm512_permute_pd(x, 0x01));
331 return *reinterpret_cast<double*>(&x);
334 static inline SimdDBool gmx_simdcall operator==(SimdDouble a, SimdDouble b)
336 return { _mm512_cmp_pd_mask(a.simdInternal_, b.simdInternal_, _CMP_EQ_OQ) };
339 static inline SimdDBool gmx_simdcall operator!=(SimdDouble a, SimdDouble b)
341 return { _mm512_cmp_pd_mask(a.simdInternal_, b.simdInternal_, _CMP_NEQ_OQ) };
344 static inline SimdDBool gmx_simdcall operator<(SimdDouble a, SimdDouble b)
346 return { _mm512_cmp_pd_mask(a.simdInternal_, b.simdInternal_, _CMP_LT_OQ) };
349 static inline SimdDBool gmx_simdcall operator<=(SimdDouble a, SimdDouble b)
351 return { _mm512_cmp_pd_mask(a.simdInternal_, b.simdInternal_, _CMP_LE_OQ) };
354 static inline SimdDBool gmx_simdcall testBits(SimdDouble a)
356 return { _mm512_test_epi64_mask(_mm512_castpd_si512(a.simdInternal_),
357 _mm512_castpd_si512(a.simdInternal_)) };
360 static inline SimdDBool gmx_simdcall operator&&(SimdDBool a, SimdDBool b)
362 return { static_cast<__mmask8>(_mm512_kand(a.simdInternal_, b.simdInternal_)) };
365 static inline SimdDBool gmx_simdcall operator||(SimdDBool a, SimdDBool b)
367 return { static_cast<__mmask8>(_mm512_kor(a.simdInternal_, b.simdInternal_)) };
370 static inline bool gmx_simdcall anyTrue(SimdDBool a)
372 return (avx512Mask2Int(a.simdInternal_) != 0);
375 static inline SimdDouble gmx_simdcall selectByMask(SimdDouble a, SimdDBool m)
377 return { _mm512_mask_mov_pd(_mm512_setzero_pd(), m.simdInternal_, a.simdInternal_) };
380 static inline SimdDouble gmx_simdcall selectByNotMask(SimdDouble a, SimdDBool m)
382 return { _mm512_mask_mov_pd(a.simdInternal_, m.simdInternal_, _mm512_setzero_pd()) };
385 static inline SimdDouble gmx_simdcall blend(SimdDouble a, SimdDouble b, SimdDBool sel)
387 return { _mm512_mask_blend_pd(sel.simdInternal_, a.simdInternal_, b.simdInternal_) };
390 static inline SimdDouble gmx_simdcall copysign(SimdDouble a, SimdDouble b)
392 return { _mm512_castsi512_pd(_mm512_ternarylogic_epi64(_mm512_castpd_si512(a.simdInternal_),
393 _mm512_castpd_si512(b.simdInternal_),
394 _mm512_set1_epi64(INT64_MIN), 0xD8)) };
397 static inline SimdDInt32 gmx_simdcall operator&(SimdDInt32 a, SimdDInt32 b)
399 return { _mm256_and_si256(a.simdInternal_, b.simdInternal_) };
402 static inline SimdDInt32 gmx_simdcall andNot(SimdDInt32 a, SimdDInt32 b)
404 return { _mm256_andnot_si256(a.simdInternal_, b.simdInternal_) };
407 static inline SimdDInt32 gmx_simdcall operator|(SimdDInt32 a, SimdDInt32 b)
409 return { _mm256_or_si256(a.simdInternal_, b.simdInternal_) };
412 static inline SimdDInt32 gmx_simdcall operator^(SimdDInt32 a, SimdDInt32 b)
414 return { _mm256_xor_si256(a.simdInternal_, b.simdInternal_) };
417 static inline SimdDInt32 gmx_simdcall operator+(SimdDInt32 a, SimdDInt32 b)
419 return { _mm256_add_epi32(a.simdInternal_, b.simdInternal_) };
422 static inline SimdDInt32 gmx_simdcall operator-(SimdDInt32 a, SimdDInt32 b)
424 return { _mm256_sub_epi32(a.simdInternal_, b.simdInternal_) };
427 static inline SimdDInt32 gmx_simdcall operator*(SimdDInt32 a, SimdDInt32 b)
429 return { _mm256_mullo_epi32(a.simdInternal_, b.simdInternal_) };
432 static inline SimdDIBool gmx_simdcall operator==(SimdDInt32 a, SimdDInt32 b)
434 return { _mm512_mask_cmp_epi32_mask(avx512Int2Mask(0xFF), _mm512_castsi256_si512(a.simdInternal_),
435 _mm512_castsi256_si512(b.simdInternal_), _MM_CMPINT_EQ) };
438 static inline SimdDIBool gmx_simdcall testBits(SimdDInt32 a)
440 return { _mm512_mask_test_epi32_mask(avx512Int2Mask(0xFF), _mm512_castsi256_si512(a.simdInternal_),
441 _mm512_castsi256_si512(a.simdInternal_)) };
444 static inline SimdDIBool gmx_simdcall operator<(SimdDInt32 a, SimdDInt32 b)
446 return { _mm512_mask_cmp_epi32_mask(avx512Int2Mask(0xFF), _mm512_castsi256_si512(a.simdInternal_),
447 _mm512_castsi256_si512(b.simdInternal_), _MM_CMPINT_LT) };
450 static inline SimdDIBool gmx_simdcall operator&&(SimdDIBool a, SimdDIBool b)
452 return { _mm512_kand(a.simdInternal_, b.simdInternal_) };
455 static inline SimdDIBool gmx_simdcall operator||(SimdDIBool a, SimdDIBool b)
457 return { _mm512_kor(a.simdInternal_, b.simdInternal_) };
460 static inline bool gmx_simdcall anyTrue(SimdDIBool a)
462 return (avx512Mask2Int(a.simdInternal_) & 0xFF) != 0;
465 static inline SimdDInt32 gmx_simdcall selectByMask(SimdDInt32 a, SimdDIBool m)
467 return { _mm512_castsi512_si256(_mm512_mask_mov_epi32(
468 _mm512_setzero_si512(), m.simdInternal_, _mm512_castsi256_si512(a.simdInternal_))) };
471 static inline SimdDInt32 gmx_simdcall selectByNotMask(SimdDInt32 a, SimdDIBool m)
473 return { _mm512_castsi512_si256(_mm512_mask_mov_epi32(
474 _mm512_castsi256_si512(a.simdInternal_), m.simdInternal_, _mm512_setzero_si512())) };
477 static inline SimdDInt32 gmx_simdcall blend(SimdDInt32 a, SimdDInt32 b, SimdDIBool sel)
479 return { _mm512_castsi512_si256(
480 _mm512_mask_blend_epi32(sel.simdInternal_, _mm512_castsi256_si512(a.simdInternal_),
481 _mm512_castsi256_si512(b.simdInternal_))) };
484 static inline SimdDInt32 gmx_simdcall cvtR2I(SimdDouble a)
486 return { _mm512_cvtpd_epi32(a.simdInternal_) };
489 static inline SimdDInt32 gmx_simdcall cvttR2I(SimdDouble a)
491 return { _mm512_cvttpd_epi32(a.simdInternal_) };
494 static inline SimdDouble gmx_simdcall cvtI2R(SimdDInt32 a)
496 return { _mm512_cvtepi32_pd(a.simdInternal_) };
499 static inline SimdDIBool gmx_simdcall cvtB2IB(SimdDBool a)
501 return { a.simdInternal_ };
504 static inline SimdDBool gmx_simdcall cvtIB2B(SimdDIBool a)
506 return { static_cast<__mmask8>(a.simdInternal_) };
509 static inline void gmx_simdcall cvtF2DD(SimdFloat f, SimdDouble* d0, SimdDouble* d1)
511 d0->simdInternal_ = _mm512_cvtps_pd(_mm512_castps512_ps256(f.simdInternal_));
512 d1->simdInternal_ = _mm512_cvtps_pd(
513 _mm512_castps512_ps256(_mm512_shuffle_f32x4(f.simdInternal_, f.simdInternal_, 0xEE)));
516 static inline SimdFloat gmx_simdcall cvtDD2F(SimdDouble d0, SimdDouble d1)
518 __m512 f0 = _mm512_castps256_ps512(_mm512_cvtpd_ps(d0.simdInternal_));
519 __m512 f1 = _mm512_castps256_ps512(_mm512_cvtpd_ps(d1.simdInternal_));
520 return { _mm512_shuffle_f32x4(f0, f1, 0x44) };
525 #endif // GMX_SIMD_IMPL_X86_AVX_512_SIMD_DOUBLE_H