mirror of
https://github.com/gnss-sdr/gnss-sdr
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Merge branch 'next' of https://github.com/carlesfernandez/gnss-sdr into
neon # Conflicts: # src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/kernels/volk_gnsssdr/volk_gnsssdr_16ic_x2_dotprodxnpuppet_16ic.h # src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/kernels/volk_gnsssdr/volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn.h
This commit is contained in:
commit
8991b455fb
@ -409,7 +409,7 @@ Install Armadillo and dependencies:
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$ brew tap homebrew/science
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$ brew tap homebrew/science
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$ brew install cmake hdf5 arpack superlu
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$ brew install cmake hdf5 arpack superlu
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$ brew install armadillo
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$ brew install armadillo
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$ brew install glog gflags
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$ brew install glog gflags gnutls
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~~~~~~
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~~~~~~
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#### Build GNSS-SDR
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#### Build GNSS-SDR
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16
build/.gitignore
vendored
16
build/.gitignore
vendored
@ -1,12 +1,4 @@
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*~
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# Ignore everything in this directory
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.*.swp
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*
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docs/doxygen/Doxyfile
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# Except this file
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docs/html
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!.gitignore
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docs/latex
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docs/GNSS-SDR_manual.pdf
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src/tests/data/output.dat
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thirdparty/
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.project
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.cproject
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/install
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/.DS_Store
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@ -78,7 +78,7 @@ static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_generic(lv_16sc_t* resu
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\param[in] num_a_vectors Number of vectors to be multiplied by the reference vector and accumulated
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\param[in] num_a_vectors Number of vectors to be multiplied by the reference vector and accumulated
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\param[in] num_points The Number of complex values to be multiplied together, accumulated and stored into result
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\param[in] num_points The Number of complex values to be multiplied together, accumulated and stored into result
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*/
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*/
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static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_a_sse2(lv_16sc_t* out, const lv_16sc_t* in_common, const lv_16sc_t** in_a, int num_a_vectors, unsigned int num_points)
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static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_a_sse2(lv_16sc_t* result, const lv_16sc_t* in_common, const lv_16sc_t** in_a, int num_a_vectors, unsigned int num_points)
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{
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{
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lv_16sc_t dotProduct = lv_cmake(0,0);
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lv_16sc_t dotProduct = lv_cmake(0,0);
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@ -86,7 +86,7 @@ static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_a_sse2(lv_16sc_t* out,
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const lv_16sc_t** _in_a = in_a;
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const lv_16sc_t** _in_a = in_a;
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const lv_16sc_t* _in_common = in_common;
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const lv_16sc_t* _in_common = in_common;
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lv_16sc_t* _out = out;
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lv_16sc_t* _out = result;
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if (sse_iters > 0)
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if (sse_iters > 0)
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{
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{
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@ -100,7 +100,7 @@ static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_a_sse2(lv_16sc_t* out,
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realcacc = (__m128i*)calloc(num_a_vectors, sizeof(__m128i)); //calloc also sets memory to 0
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realcacc = (__m128i*)calloc(num_a_vectors, sizeof(__m128i)); //calloc also sets memory to 0
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imagcacc = (__m128i*)calloc(num_a_vectors, sizeof(__m128i)); //calloc also sets memory to 0
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imagcacc = (__m128i*)calloc(num_a_vectors, sizeof(__m128i)); //calloc also sets memory to 0
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__m128i a,b,c, c_sr, mask_imag, mask_real, real, imag, imag1,imag2, b_sl, a_sl, result;
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__m128i a, b, c, c_sr, mask_imag, mask_real, real, imag, imag1, imag2, b_sl, a_sl, results;
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mask_imag = _mm_set_epi8(255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0);
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mask_imag = _mm_set_epi8(255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0);
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mask_real = _mm_set_epi8(0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255);
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mask_real = _mm_set_epi8(0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255);
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@ -116,10 +116,10 @@ static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_a_sse2(lv_16sc_t* out,
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{
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{
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a = _mm_load_si128((__m128i*)&(_in_a[n_vec][number*4])); //load (2 byte imag, 2 byte real) x 4 into 128 bits reg
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a = _mm_load_si128((__m128i*)&(_in_a[n_vec][number*4])); //load (2 byte imag, 2 byte real) x 4 into 128 bits reg
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c = _mm_mullo_epi16 (a, b); // a3.i*b3.i, a3.r*b3.r, ....
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c = _mm_mullo_epi16(a, b); // a3.i*b3.i, a3.r*b3.r, ....
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c_sr = _mm_srli_si128 (c, 2); // Shift a right by imm8 bytes while shifting in zeros, and store the results in dst.
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c_sr = _mm_srli_si128(c, 2); // Shift a right by imm8 bytes while shifting in zeros, and store the results in dst.
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real = _mm_subs_epi16 (c, c_sr);
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real = _mm_subs_epi16(c, c_sr);
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b_sl = _mm_slli_si128(b, 2); // b3.r, b2.i ....
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b_sl = _mm_slli_si128(b, 2); // b3.r, b2.i ....
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a_sl = _mm_slli_si128(a, 2); // a3.r, a2.i ....
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a_sl = _mm_slli_si128(a, 2); // a3.r, a2.i ....
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@ -129,23 +129,23 @@ static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_a_sse2(lv_16sc_t* out,
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imag = _mm_adds_epi16(imag1, imag2);
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imag = _mm_adds_epi16(imag1, imag2);
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realcacc[n_vec] = _mm_adds_epi16 (realcacc[n_vec], real);
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realcacc[n_vec] = _mm_adds_epi16(realcacc[n_vec], real);
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imagcacc[n_vec] = _mm_adds_epi16 (imagcacc[n_vec], imag);
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imagcacc[n_vec] = _mm_adds_epi16(imagcacc[n_vec], imag);
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}
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}
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_in_common += 4;
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_in_common += 4;
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}
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}
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for (int n_vec=0;n_vec<num_a_vectors;n_vec++)
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for (int n_vec = 0; n_vec < num_a_vectors; n_vec++)
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{
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{
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realcacc[n_vec] = _mm_and_si128 (realcacc[n_vec], mask_real);
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realcacc[n_vec] = _mm_and_si128(realcacc[n_vec], mask_real);
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imagcacc[n_vec] = _mm_and_si128 (imagcacc[n_vec], mask_imag);
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imagcacc[n_vec] = _mm_and_si128(imagcacc[n_vec], mask_imag);
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result = _mm_or_si128 (realcacc[n_vec], imagcacc[n_vec]);
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results = _mm_or_si128(realcacc[n_vec], imagcacc[n_vec]);
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_mm_store_si128((__m128i*)dotProductVector, result); // Store the results back into the dot product vector
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_mm_store_si128((__m128i*)dotProductVector, results); // Store the results back into the dot product vector
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dotProduct = lv_cmake(0,0);
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dotProduct = lv_cmake(0,0);
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for (int i = 0; i<4; ++i)
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for (int i = 0; i < 4; ++i)
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{
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{
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dotProduct = lv_cmake(sat_adds16i(lv_creal(dotProduct), lv_creal(dotProductVector[i])),
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dotProduct = lv_cmake(sat_adds16i(lv_creal(dotProduct), lv_creal(dotProductVector[i])),
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sat_adds16i(lv_cimag(dotProduct), lv_cimag(dotProductVector[i])));
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sat_adds16i(lv_cimag(dotProduct), lv_cimag(dotProductVector[i])));
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@ -181,7 +181,7 @@ static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_a_sse2(lv_16sc_t* out,
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\param[in] num_a_vectors Number of vectors to be multiplied by the reference vector and accumulated
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\param[in] num_a_vectors Number of vectors to be multiplied by the reference vector and accumulated
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||||||
\param[in] num_points The Number of complex values to be multiplied together, accumulated and stored into result
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\param[in] num_points The Number of complex values to be multiplied together, accumulated and stored into result
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*/
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*/
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static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_u_sse2(lv_16sc_t* out, const lv_16sc_t* in_common, const lv_16sc_t** in_a, int num_a_vectors, unsigned int num_points)
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static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_u_sse2(lv_16sc_t* result, const lv_16sc_t* in_common, const lv_16sc_t** in_a, int num_a_vectors, unsigned int num_points)
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{
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{
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lv_16sc_t dotProduct = lv_cmake(0,0);
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lv_16sc_t dotProduct = lv_cmake(0,0);
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@ -189,7 +189,7 @@ static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_u_sse2(lv_16sc_t* out,
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const lv_16sc_t** _in_a = in_a;
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const lv_16sc_t** _in_a = in_a;
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const lv_16sc_t* _in_common = in_common;
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const lv_16sc_t* _in_common = in_common;
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lv_16sc_t* _out = out;
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lv_16sc_t* _out = result;
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if (sse_iters > 0)
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if (sse_iters > 0)
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{
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{
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@ -203,7 +203,7 @@ static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_u_sse2(lv_16sc_t* out,
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realcacc = (__m128i*)calloc(num_a_vectors, sizeof(__m128i)); //calloc also sets memory to 0
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realcacc = (__m128i*)calloc(num_a_vectors, sizeof(__m128i)); //calloc also sets memory to 0
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imagcacc = (__m128i*)calloc(num_a_vectors, sizeof(__m128i)); //calloc also sets memory to 0
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imagcacc = (__m128i*)calloc(num_a_vectors, sizeof(__m128i)); //calloc also sets memory to 0
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__m128i a,b,c, c_sr, mask_imag, mask_real, real, imag, imag1,imag2, b_sl, a_sl, result;
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__m128i a,b,c, c_sr, mask_imag, mask_real, real, imag, imag1,imag2, b_sl, a_sl, results;
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mask_imag = _mm_set_epi8(255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0);
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mask_imag = _mm_set_epi8(255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0);
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mask_real = _mm_set_epi8(0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255);
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mask_real = _mm_set_epi8(0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255);
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@ -219,10 +219,10 @@ static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_u_sse2(lv_16sc_t* out,
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{
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{
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a = _mm_loadu_si128((__m128i*)&(_in_a[n_vec][number*4])); //load (2 byte imag, 2 byte real) x 4 into 128 bits reg
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a = _mm_loadu_si128((__m128i*)&(_in_a[n_vec][number*4])); //load (2 byte imag, 2 byte real) x 4 into 128 bits reg
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c = _mm_mullo_epi16 (a, b); // a3.i*b3.i, a3.r*b3.r, ....
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c = _mm_mullo_epi16(a, b); // a3.i*b3.i, a3.r*b3.r, ....
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||||||
|
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c_sr = _mm_srli_si128 (c, 2); // Shift a right by imm8 bytes while shifting in zeros, and store the results in dst.
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c_sr = _mm_srli_si128(c, 2); // Shift a right by imm8 bytes while shifting in zeros, and store the results in dst.
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real = _mm_subs_epi16 (c, c_sr);
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real = _mm_subs_epi16(c, c_sr);
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b_sl = _mm_slli_si128(b, 2); // b3.r, b2.i ....
|
b_sl = _mm_slli_si128(b, 2); // b3.r, b2.i ....
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a_sl = _mm_slli_si128(a, 2); // a3.r, a2.i ....
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a_sl = _mm_slli_si128(a, 2); // a3.r, a2.i ....
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@ -239,16 +239,16 @@ static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_u_sse2(lv_16sc_t* out,
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_in_common += 4;
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_in_common += 4;
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}
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}
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for (int n_vec=0;n_vec<num_a_vectors;n_vec++)
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for (int n_vec = 0; n_vec < num_a_vectors; n_vec++)
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{
|
{
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realcacc[n_vec] = _mm_and_si128(realcacc[n_vec], mask_real);
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realcacc[n_vec] = _mm_and_si128(realcacc[n_vec], mask_real);
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imagcacc[n_vec] = _mm_and_si128(imagcacc[n_vec], mask_imag);
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imagcacc[n_vec] = _mm_and_si128(imagcacc[n_vec], mask_imag);
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result = _mm_or_si128(realcacc[n_vec], imagcacc[n_vec]);
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results = _mm_or_si128(realcacc[n_vec], imagcacc[n_vec]);
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_mm_storeu_si128((__m128i*)dotProductVector, result); // Store the results back into the dot product vector
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_mm_storeu_si128((__m128i*)dotProductVector, results); // Store the results back into the dot product vector
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dotProduct = lv_cmake(0,0);
|
dotProduct = lv_cmake(0,0);
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for (int i = 0; i<4; ++i)
|
for (int i = 0; i < 4; ++i)
|
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{
|
{
|
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dotProduct = lv_cmake(sat_adds16i(lv_creal(dotProduct), lv_creal(dotProductVector[i])),
|
dotProduct = lv_cmake(sat_adds16i(lv_creal(dotProduct), lv_creal(dotProductVector[i])),
|
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sat_adds16i(lv_cimag(dotProduct), lv_cimag(dotProductVector[i])));
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sat_adds16i(lv_cimag(dotProduct), lv_cimag(dotProductVector[i])));
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@ -284,7 +284,7 @@ static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_u_sse2(lv_16sc_t* out,
|
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\param[in] num_a_vectors Number of vectors to be multiplied by the reference vector and accumulated
|
\param[in] num_a_vectors Number of vectors to be multiplied by the reference vector and accumulated
|
||||||
\param[in] num_points The Number of complex values to be multiplied together, accumulated and stored into result
|
\param[in] num_points The Number of complex values to be multiplied together, accumulated and stored into result
|
||||||
*/
|
*/
|
||||||
static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_neon(lv_16sc_t* out, const lv_16sc_t* in_common, const lv_16sc_t** in_a, int num_a_vectors, unsigned int num_points)
|
static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_neon(lv_16sc_t* result, const lv_16sc_t* in_common, const lv_16sc_t** in_a, int num_a_vectors, unsigned int num_points)
|
||||||
{
|
{
|
||||||
lv_16sc_t dotProduct = lv_cmake(0,0);
|
lv_16sc_t dotProduct = lv_cmake(0,0);
|
||||||
|
|
||||||
@ -292,7 +292,7 @@ static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_neon(lv_16sc_t* out, co
|
|||||||
|
|
||||||
const lv_16sc_t** _in_a = in_a;
|
const lv_16sc_t** _in_a = in_a;
|
||||||
const lv_16sc_t* _in_common = in_common;
|
const lv_16sc_t* _in_common = in_common;
|
||||||
lv_16sc_t* _out = out;
|
lv_16sc_t* _out = result;
|
||||||
|
|
||||||
if (neon_iters > 0)
|
if (neon_iters > 0)
|
||||||
{
|
{
|
||||||
@ -319,7 +319,7 @@ static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_neon(lv_16sc_t* out, co
|
|||||||
for (int n_vec = 0; n_vec < num_a_vectors; n_vec++)
|
for (int n_vec = 0; n_vec < num_a_vectors; n_vec++)
|
||||||
{
|
{
|
||||||
a_val = vld2_s16((int16_t*)&(_in_a[n_vec][number*4])); //load (2 byte imag, 2 byte real) x 4 into 128 bits reg
|
a_val = vld2_s16((int16_t*)&(_in_a[n_vec][number*4])); //load (2 byte imag, 2 byte real) x 4 into 128 bits reg
|
||||||
//__builtin_prefetch(_in_a[n_vec] + 8);
|
//__builtin_prefetch(&_in_a[n_vec][number*4] + 8);
|
||||||
|
|
||||||
// multiply the real*real and imag*imag to get real result
|
// multiply the real*real and imag*imag to get real result
|
||||||
// a0r*b0r|a1r*b1r|a2r*b2r|a3r*b3r
|
// a0r*b0r|a1r*b1r|a2r*b2r|a3r*b3r
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||||||
|
@ -49,9 +49,9 @@ static inline void volk_gnsssdr_16ic_x2_dotprodxnpuppet_16ic_generic(lv_16sc_t*
|
|||||||
for(unsigned int n = 0; n < num_a_vectors; n++)
|
for(unsigned int n = 0; n < num_a_vectors; n++)
|
||||||
{
|
{
|
||||||
in_a[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t) * num_points, volk_gnsssdr_get_alignment());
|
in_a[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t) * num_points, volk_gnsssdr_get_alignment());
|
||||||
memcpy(in_a[n], in, sizeof(lv_16sc_t) * num_points);
|
memcpy((lv_16sc_t*)in_a[n], (lv_16sc_t*)in, sizeof(lv_16sc_t) * num_points);
|
||||||
}
|
}
|
||||||
//result = (lv_16sc_t*)calloc(num_points, sizeof(lv_16sc_t));
|
|
||||||
volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_generic(result, local_code, (const lv_16sc_t**) in_a, num_a_vectors, num_points);
|
volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_generic(result, local_code, (const lv_16sc_t**) in_a, num_a_vectors, num_points);
|
||||||
|
|
||||||
for(unsigned int n = 0; n < num_a_vectors; n++)
|
for(unsigned int n = 0; n < num_a_vectors; n++)
|
||||||
@ -73,7 +73,7 @@ static inline void volk_gnsssdr_16ic_x2_dotprodxnpuppet_16ic_a_sse2(lv_16sc_t* r
|
|||||||
in_a[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t) * num_points, volk_gnsssdr_get_alignment());
|
in_a[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t) * num_points, volk_gnsssdr_get_alignment());
|
||||||
memcpy((lv_16sc_t*)in_a[n], (lv_16sc_t*)in, sizeof(lv_16sc_t) * num_points);
|
memcpy((lv_16sc_t*)in_a[n], (lv_16sc_t*)in, sizeof(lv_16sc_t) * num_points);
|
||||||
}
|
}
|
||||||
//result = (lv_16sc_t*)calloc(num_points, sizeof(lv_16sc_t));
|
|
||||||
volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_a_sse2(result, local_code, (const lv_16sc_t**) in_a, num_a_vectors, num_points);
|
volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_a_sse2(result, local_code, (const lv_16sc_t**) in_a, num_a_vectors, num_points);
|
||||||
|
|
||||||
for(unsigned int n = 0; n < num_a_vectors; n++)
|
for(unsigned int n = 0; n < num_a_vectors; n++)
|
||||||
@ -94,9 +94,9 @@ static inline void volk_gnsssdr_16ic_x2_dotprodxnpuppet_16ic_u_sse2(lv_16sc_t* r
|
|||||||
for(unsigned int n = 0; n < num_a_vectors; n++)
|
for(unsigned int n = 0; n < num_a_vectors; n++)
|
||||||
{
|
{
|
||||||
in_a[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t)*num_points, volk_gnsssdr_get_alignment());
|
in_a[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t)*num_points, volk_gnsssdr_get_alignment());
|
||||||
memcpy(in_a[n], in, sizeof(lv_16sc_t)*num_points);
|
memcpy((lv_16sc_t*)in_a[n], (lv_16sc_t*)in, sizeof(lv_16sc_t)*num_points);
|
||||||
}
|
}
|
||||||
//result = (lv_16sc_t*)calloc(num_points, sizeof(lv_16sc_t));
|
|
||||||
volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_u_sse2(result, local_code, (const lv_16sc_t**) in_a, num_a_vectors, num_points);
|
volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_u_sse2(result, local_code, (const lv_16sc_t**) in_a, num_a_vectors, num_points);
|
||||||
|
|
||||||
for(unsigned int n = 0; n < num_a_vectors; n++)
|
for(unsigned int n = 0; n < num_a_vectors; n++)
|
||||||
@ -117,9 +117,9 @@ static inline void volk_gnsssdr_16ic_x2_dotprodxnpuppet_16ic_neon(lv_16sc_t* res
|
|||||||
for(unsigned int n = 0; n < num_a_vectors; n++)
|
for(unsigned int n = 0; n < num_a_vectors; n++)
|
||||||
{
|
{
|
||||||
in_a[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t)*num_points, volk_gnsssdr_get_alignment());
|
in_a[n] = (lv_16sc_t*)volk_gnsssdr_malloc(sizeof(lv_16sc_t)*num_points, volk_gnsssdr_get_alignment());
|
||||||
memcpy(in_a[n], in, sizeof(lv_16sc_t)*num_points);
|
memcpy((lv_16sc_t*)in_a[n], (lv_16sc_t*)in, sizeof(lv_16sc_t)*num_points);
|
||||||
}
|
}
|
||||||
//result = (lv_16sc_t*)calloc(num_points, sizeof(lv_16sc_t));
|
|
||||||
volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_neon(result, local_code, (const lv_16sc_t**) in_a, num_a_vectors, num_points);
|
volk_gnsssdr_16ic_x2_dot_prod_16ic_xn_neon(result, local_code, (const lv_16sc_t**) in_a, num_a_vectors, num_points);
|
||||||
|
|
||||||
for(unsigned int n = 0; n < num_a_vectors; n++)
|
for(unsigned int n = 0; n < num_a_vectors; n++)
|
||||||
|
@ -1,11 +1,14 @@
|
|||||||
/*!
|
/*!
|
||||||
* \file volk_gnsssdr_16ic_x2_dot_prod_16ic_xn.h
|
* \file volk_gnsssdr_16ic_x2_dot_prod_16ic_xn.h
|
||||||
* \brief Volk protokernel: multiplies N 16 bits vectors by a common vector phase rotated and accumulates the results in N 16 bits short complex outputs.
|
* \brief Volk protokernel: multiplies N 16 bits vectors by a common vector
|
||||||
|
* phase rotated and accumulates the results in N 16 bits short complex outputs.
|
||||||
* \authors <ul>
|
* \authors <ul>
|
||||||
* <li> Javier Arribas, 2015. jarribas(at)cttc.es
|
* <li> Javier Arribas, 2015. jarribas(at)cttc.es
|
||||||
* </ul>
|
* </ul>
|
||||||
*
|
*
|
||||||
* Volk protokernel that multiplies N 16 bits vectors by a common vector, which is phase-rotated by phase offset and phase increment, and accumulates the results in N 16 bits short complex outputs.
|
* Volk protokernel that multiplies N 16 bits vectors by a common vector, which is
|
||||||
|
* phase-rotated by phase offset and phase increment, and accumulates the results
|
||||||
|
* in N 16 bits short complex outputs.
|
||||||
* It is optimized to perform the N tap correlation process in GNSS receivers.
|
* It is optimized to perform the N tap correlation process in GNSS receivers.
|
||||||
*
|
*
|
||||||
* -------------------------------------------------------------------------
|
* -------------------------------------------------------------------------
|
||||||
@ -90,7 +93,7 @@ static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_generic(lv_16sc
|
|||||||
\param[in] num_a_vectors Number of vectors to be multiplied by the reference vector and accumulated
|
\param[in] num_a_vectors Number of vectors to be multiplied by the reference vector and accumulated
|
||||||
\param[in] num_points The Number of complex values to be multiplied together, accumulated and stored into result
|
\param[in] num_points The Number of complex values to be multiplied together, accumulated and stored into result
|
||||||
*/
|
*/
|
||||||
static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_a_sse3(lv_16sc_t* out, const lv_16sc_t* in_common, const lv_32fc_t phase_inc, lv_32fc_t* phase, const lv_16sc_t** in_a, int num_a_vectors, unsigned int num_points)
|
static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_a_sse3(lv_16sc_t* result, const lv_16sc_t* in_common, const lv_32fc_t phase_inc, lv_32fc_t* phase, const lv_16sc_t** in_a, int num_a_vectors, unsigned int num_points)
|
||||||
{
|
{
|
||||||
lv_16sc_t dotProduct = lv_cmake(0,0);
|
lv_16sc_t dotProduct = lv_cmake(0,0);
|
||||||
|
|
||||||
@ -98,7 +101,7 @@ static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_a_sse3(lv_16sc_
|
|||||||
|
|
||||||
const lv_16sc_t** _in_a = in_a;
|
const lv_16sc_t** _in_a = in_a;
|
||||||
const lv_16sc_t* _in_common = in_common;
|
const lv_16sc_t* _in_common = in_common;
|
||||||
lv_16sc_t* _out = out;
|
lv_16sc_t* _out = result;
|
||||||
|
|
||||||
__VOLK_ATTR_ALIGNED(16) lv_16sc_t dotProductVector[4];
|
__VOLK_ATTR_ALIGNED(16) lv_16sc_t dotProductVector[4];
|
||||||
|
|
||||||
@ -110,7 +113,7 @@ static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_a_sse3(lv_16sc_
|
|||||||
realcacc = (__m128i*)calloc(num_a_vectors, sizeof(__m128i)); //calloc also sets memory to 0
|
realcacc = (__m128i*)calloc(num_a_vectors, sizeof(__m128i)); //calloc also sets memory to 0
|
||||||
imagcacc = (__m128i*)calloc(num_a_vectors, sizeof(__m128i)); //calloc also sets memory to 0
|
imagcacc = (__m128i*)calloc(num_a_vectors, sizeof(__m128i)); //calloc also sets memory to 0
|
||||||
|
|
||||||
__m128i a, b, c, c_sr, mask_imag, mask_real, real, imag, imag1,imag2, b_sl, a_sl, result;
|
__m128i a, b, c, c_sr, mask_imag, mask_real, real, imag, imag1, imag2, b_sl, a_sl, results;
|
||||||
|
|
||||||
mask_imag = _mm_set_epi8(255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0);
|
mask_imag = _mm_set_epi8(255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0);
|
||||||
mask_real = _mm_set_epi8(0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255);
|
mask_real = _mm_set_epi8(0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255);
|
||||||
@ -205,9 +208,9 @@ static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_a_sse3(lv_16sc_
|
|||||||
realcacc[n_vec] = _mm_and_si128(realcacc[n_vec], mask_real);
|
realcacc[n_vec] = _mm_and_si128(realcacc[n_vec], mask_real);
|
||||||
imagcacc[n_vec] = _mm_and_si128(imagcacc[n_vec], mask_imag);
|
imagcacc[n_vec] = _mm_and_si128(imagcacc[n_vec], mask_imag);
|
||||||
|
|
||||||
result = _mm_or_si128(realcacc[n_vec], imagcacc[n_vec]);
|
results = _mm_or_si128(realcacc[n_vec], imagcacc[n_vec]);
|
||||||
|
|
||||||
_mm_store_si128((__m128i*)dotProductVector, result); // Store the results back into the dot product vector
|
_mm_store_si128((__m128i*)dotProductVector, results); // Store the results back into the dot product vector
|
||||||
dotProduct = lv_cmake(0,0);
|
dotProduct = lv_cmake(0,0);
|
||||||
for (int i = 0; i < 4; ++i)
|
for (int i = 0; i < 4; ++i)
|
||||||
{
|
{
|
||||||
@ -252,7 +255,7 @@ static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_a_sse3(lv_16sc_
|
|||||||
\param[in] num_a_vectors Number of vectors to be multiplied by the reference vector and accumulated
|
\param[in] num_a_vectors Number of vectors to be multiplied by the reference vector and accumulated
|
||||||
\param[in] num_points The Number of complex values to be multiplied together, accumulated and stored into result
|
\param[in] num_points The Number of complex values to be multiplied together, accumulated and stored into result
|
||||||
*/
|
*/
|
||||||
static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_u_sse3(lv_16sc_t* out, const lv_16sc_t* in_common, const lv_32fc_t phase_inc, lv_32fc_t* phase, const lv_16sc_t** in_a, int num_a_vectors, unsigned int num_points)
|
static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_u_sse3(lv_16sc_t* result, const lv_16sc_t* in_common, const lv_32fc_t phase_inc, lv_32fc_t* phase, const lv_16sc_t** in_a, int num_a_vectors, unsigned int num_points)
|
||||||
{
|
{
|
||||||
lv_16sc_t dotProduct = lv_cmake(0,0);
|
lv_16sc_t dotProduct = lv_cmake(0,0);
|
||||||
|
|
||||||
@ -260,8 +263,8 @@ static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_u_sse3(lv_16sc_
|
|||||||
|
|
||||||
const lv_16sc_t** _in_a = in_a;
|
const lv_16sc_t** _in_a = in_a;
|
||||||
const lv_16sc_t* _in_common = in_common;
|
const lv_16sc_t* _in_common = in_common;
|
||||||
lv_16sc_t* _out = out;
|
|
||||||
|
|
||||||
|
lv_16sc_t* _out = result;
|
||||||
__VOLK_ATTR_ALIGNED(16) lv_16sc_t dotProductVector[4];
|
__VOLK_ATTR_ALIGNED(16) lv_16sc_t dotProductVector[4];
|
||||||
|
|
||||||
//todo dyn mem reg
|
//todo dyn mem reg
|
||||||
@ -272,7 +275,8 @@ static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_u_sse3(lv_16sc_
|
|||||||
realcacc = (__m128i*)calloc(num_a_vectors, sizeof(__m128i)); //calloc also sets memory to 0
|
realcacc = (__m128i*)calloc(num_a_vectors, sizeof(__m128i)); //calloc also sets memory to 0
|
||||||
imagcacc = (__m128i*)calloc(num_a_vectors, sizeof(__m128i)); //calloc also sets memory to 0
|
imagcacc = (__m128i*)calloc(num_a_vectors, sizeof(__m128i)); //calloc also sets memory to 0
|
||||||
|
|
||||||
__m128i a, b, c, c_sr, mask_imag, mask_real, real, imag, imag1, imag2, b_sl, a_sl, result;
|
__m128i a, b, c, c_sr, mask_imag, mask_real, real, imag, imag1, imag2, b_sl, a_sl, results;
|
||||||
|
|
||||||
|
|
||||||
mask_imag = _mm_set_epi8(255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0);
|
mask_imag = _mm_set_epi8(255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0);
|
||||||
mask_real = _mm_set_epi8(0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255);
|
mask_real = _mm_set_epi8(0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255, 0, 0, 255, 255);
|
||||||
@ -367,9 +371,9 @@ static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_u_sse3(lv_16sc_
|
|||||||
realcacc[n_vec] = _mm_and_si128 (realcacc[n_vec], mask_real);
|
realcacc[n_vec] = _mm_and_si128 (realcacc[n_vec], mask_real);
|
||||||
imagcacc[n_vec] = _mm_and_si128 (imagcacc[n_vec], mask_imag);
|
imagcacc[n_vec] = _mm_and_si128 (imagcacc[n_vec], mask_imag);
|
||||||
|
|
||||||
result = _mm_or_si128(realcacc[n_vec], imagcacc[n_vec]);
|
results = _mm_or_si128(realcacc[n_vec], imagcacc[n_vec]);
|
||||||
|
|
||||||
_mm_storeu_si128((__m128i*)dotProductVector, result); // Store the results back into the dot product vector
|
_mm_storeu_si128((__m128i*)dotProductVector, results); // Store the results back into the dot product vector
|
||||||
dotProduct = lv_cmake(0,0);
|
dotProduct = lv_cmake(0,0);
|
||||||
for (int i = 0; i < 4; ++i)
|
for (int i = 0; i < 4; ++i)
|
||||||
{
|
{
|
||||||
@ -414,13 +418,13 @@ static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_u_sse3(lv_16sc_
|
|||||||
\param[in] num_a_vectors Number of vectors to be multiplied by the reference vector and accumulated
|
\param[in] num_a_vectors Number of vectors to be multiplied by the reference vector and accumulated
|
||||||
\param[in] num_points The Number of complex values to be multiplied together, accumulated and stored into result
|
\param[in] num_points The Number of complex values to be multiplied together, accumulated and stored into result
|
||||||
*/
|
*/
|
||||||
static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_neon(lv_16sc_t* out, const lv_16sc_t* in_common, const lv_32fc_t phase_inc, lv_32fc_t* phase, const lv_16sc_t** in_a, int num_a_vectors, unsigned int num_points)
|
static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_neon(lv_16sc_t* result, const lv_16sc_t* in_common, const lv_32fc_t phase_inc, lv_32fc_t* phase, const lv_16sc_t** in_a, int num_a_vectors, unsigned int num_points)
|
||||||
{
|
{
|
||||||
const unsigned int neon_iters = num_points / 4;
|
const unsigned int neon_iters = num_points / 4;
|
||||||
|
|
||||||
const lv_16sc_t** _in_a = in_a;
|
const lv_16sc_t** _in_a = in_a;
|
||||||
const lv_16sc_t* _in_common = in_common;
|
const lv_16sc_t* _in_common = in_common;
|
||||||
lv_16sc_t* _out = out;
|
lv_16sc_t* _out = result;
|
||||||
|
|
||||||
lv_16sc_t tmp16_, tmp;
|
lv_16sc_t tmp16_, tmp;
|
||||||
lv_32fc_t tmp32_;
|
lv_32fc_t tmp32_;
|
||||||
@ -446,19 +450,18 @@ static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_neon(lv_16sc_t*
|
|||||||
float32x4_t _phase_real = vld1q_f32(__phase_real);
|
float32x4_t _phase_real = vld1q_f32(__phase_real);
|
||||||
float32x4_t _phase_imag = vld1q_f32(__phase_imag);
|
float32x4_t _phase_imag = vld1q_f32(__phase_imag);
|
||||||
|
|
||||||
int16x4x2_t a_val, c_val;
|
int16x4x2_t a_val, b_val, c_val;
|
||||||
__VOLK_ATTR_ALIGNED(16) lv_16sc_t dotProductVector[4];
|
__VOLK_ATTR_ALIGNED(16) lv_16sc_t dotProductVector[4];
|
||||||
float32x4_t half = vdupq_n_f32(0.5f);
|
float32x4_t half = vdupq_n_f32(0.5f);
|
||||||
int16x4x2_t tmp16;
|
int16x4x2_t tmp16;
|
||||||
int32x4x2_t tmp32i;
|
int32x4x2_t tmp32i;
|
||||||
float32x4x2_t tmp32f, tmp_real, tmp_imag;
|
|
||||||
|
float32x4x2_t tmp32f, tmp32_real, tmp32_imag;
|
||||||
float32x4_t sign, PlusHalf, Round;
|
float32x4_t sign, PlusHalf, Round;
|
||||||
|
|
||||||
int16x4x2_t* accumulator;
|
int16x4x2_t* accumulator;
|
||||||
accumulator = (int16x4x2_t*)calloc(num_a_vectors, sizeof(int16x4x2_t));
|
accumulator = (int16x4x2_t*)calloc(num_a_vectors, sizeof(int16x4x2_t));
|
||||||
|
|
||||||
int16x4x2_t tmp_real16, tmp_imag16;
|
|
||||||
|
|
||||||
for(int n_vec = 0; n_vec < num_a_vectors; n_vec++)
|
for(int n_vec = 0; n_vec < num_a_vectors; n_vec++)
|
||||||
{
|
{
|
||||||
accumulator[n_vec].val[0] = vdup_n_s16(0);
|
accumulator[n_vec].val[0] = vdup_n_s16(0);
|
||||||
@ -481,13 +484,14 @@ static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_neon(lv_16sc_t*
|
|||||||
tmp32f.val[1] = vcvtq_f32_s32(tmp32i.val[1]);
|
tmp32f.val[1] = vcvtq_f32_s32(tmp32i.val[1]);
|
||||||
|
|
||||||
/* complex multiplication of four complex samples (float 32 bits each component) */
|
/* complex multiplication of four complex samples (float 32 bits each component) */
|
||||||
tmp_real.val[0] = vmulq_f32(tmp32f.val[0], _phase_real);
|
|
||||||
tmp_real.val[1] = vmulq_f32(tmp32f.val[1], _phase_imag);
|
|
||||||
tmp_imag.val[0] = vmulq_f32(tmp32f.val[0], _phase_imag);
|
|
||||||
tmp_imag.val[1] = vmulq_f32(tmp32f.val[1], _phase_real);
|
|
||||||
|
|
||||||
tmp32f.val[0] = vsubq_f32(tmp_real.val[0], tmp_real.val[1]);
|
tmp32_real.val[0] = vmulq_f32(tmp32f.val[0], _phase_real);
|
||||||
tmp32f.val[1] = vaddq_f32(tmp_imag.val[0], tmp_imag.val[1]);
|
tmp32_real.val[1] = vmulq_f32(tmp32f.val[1], _phase_imag);
|
||||||
|
tmp32_imag.val[0] = vmulq_f32(tmp32f.val[0], _phase_imag);
|
||||||
|
tmp32_imag.val[1] = vmulq_f32(tmp32f.val[1], _phase_real);
|
||||||
|
|
||||||
|
tmp32f.val[0] = vsubq_f32(tmp32_real.val[0], tmp32_real.val[1]);
|
||||||
|
tmp32f.val[1] = vaddq_f32(tmp32_imag.val[0], tmp32_imag.val[1]);
|
||||||
|
|
||||||
/* downcast results to int32 */
|
/* downcast results to int32 */
|
||||||
/* in __aarch64__ we can do that with vcvtaq_s32_f32(ret1); vcvtaq_s32_f32(ret2); */
|
/* in __aarch64__ we can do that with vcvtaq_s32_f32(ret1); vcvtaq_s32_f32(ret2); */
|
||||||
@ -506,32 +510,32 @@ static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_neon(lv_16sc_t*
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tmp16.val[1] = vqmovn_s32(tmp32i.val[1]);
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tmp16.val[1] = vqmovn_s32(tmp32i.val[1]);
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/* compute next four phases */
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/* compute next four phases */
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tmp_real.val[0] = vmulq_f32(_phase_real, _phase4_real);
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tmp32_real.val[0] = vmulq_f32(_phase_real, _phase4_real);
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tmp_real.val[1] = vmulq_f32(_phase_imag, _phase4_imag);
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tmp32_real.val[1] = vmulq_f32(_phase_imag, _phase4_imag);
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tmp_imag.val[0] = vmulq_f32(_phase_real, _phase4_imag);
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tmp32_imag.val[0] = vmulq_f32(_phase_real, _phase4_imag);
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tmp_imag.val[1] = vmulq_f32(_phase_imag, _phase4_real);
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tmp32_imag.val[1] = vmulq_f32(_phase_imag, _phase4_real);
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_phase_real = vsubq_f32(tmp_real.val[0], tmp_real.val[1]);
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_phase_real = vsubq_f32(tmp32_real.val[0], tmp32_real.val[1]);
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_phase_imag = vaddq_f32(tmp_imag.val[0], tmp_imag.val[1]);
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_phase_imag = vaddq_f32(tmp32_imag.val[0], tmp32_imag.val[1]);
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for (int n_vec = 0; n_vec < num_a_vectors; n_vec++)
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for (int n_vec = 0; n_vec < num_a_vectors; n_vec++)
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{
|
{
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a_val = vld2_s16((int16_t*)&(_in_a[n_vec][number*4])); //load (2 byte imag, 2 byte real) x 4 into 128 bits reg
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a_val = vld2_s16((int16_t*)&(_in_a[n_vec][number*4])); //load (2 byte imag, 2 byte real) x 4 into 128 bits reg
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||||||
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__builtin_prefetch(&_in_a[n_vec][number*4] + 8);
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|
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// multiply the real*real and imag*imag to get real result
|
// multiply the real*real and imag*imag to get real result
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||||||
// a0r*b0r|a1r*b1r|a2r*b2r|a3r*b3r
|
// a0r*b0r|a1r*b1r|a2r*b2r|a3r*b3r
|
||||||
tmp_real16.val[0] = vmul_s16(a_val.val[0], tmp16.val[0]);
|
b_val.val[0] = vmul_s16(a_val.val[0], tmp16.val[0]);
|
||||||
// a0i*b0i|a1i*b1i|a2i*b2i|a3i*b3i
|
// a0i*b0i|a1i*b1i|a2i*b2i|a3i*b3i
|
||||||
tmp_real16.val[1] = vmul_s16(a_val.val[1], tmp16.val[1]);
|
b_val.val[1] = vmul_s16(a_val.val[1], tmp16.val[1]);
|
||||||
|
c_val.val[0] = vsub_s16(b_val.val[0], b_val.val[1]);
|
||||||
|
|
||||||
// Multiply cross terms to get the imaginary result
|
// Multiply cross terms to get the imaginary result
|
||||||
// a0r*b0i|a1r*b1i|a2r*b2i|a3r*b3i
|
// a0r*b0i|a1r*b1i|a2r*b2i|a3r*b3i
|
||||||
tmp_imag16.val[0] = vmul_s16(a_val.val[0], tmp16.val[1]);
|
b_val.val[0] = vmul_s16(a_val.val[0], tmp16.val[1]);
|
||||||
// a0i*b0r|a1i*b1r|a2i*b2r|a3i*b3r
|
// a0i*b0r|a1i*b1r|a2i*b2r|a3i*b3r
|
||||||
tmp_imag16.val[1] = vmul_s16(a_val.val[1], tmp16.val[0]);
|
b_val.val[1] = vmul_s16(a_val.val[1], tmp16.val[0]);
|
||||||
|
c_val.val[1] = vadd_s16(b_val.val[0], b_val.val[1]);
|
||||||
c_val.val[0] = vsub_s16(tmp_real16.val[0], tmp_real16.val[1]);
|
|
||||||
c_val.val[1] = vadd_s16(tmp_imag16.val[0], tmp_imag16.val[1]);
|
|
||||||
|
|
||||||
accumulator[n_vec].val[0] = vadd_s16(accumulator[n_vec].val[0], c_val.val[0]);
|
accumulator[n_vec].val[0] = vadd_s16(accumulator[n_vec].val[0], c_val.val[0]);
|
||||||
accumulator[n_vec].val[1] = vadd_s16(accumulator[n_vec].val[1], c_val.val[1]);
|
accumulator[n_vec].val[1] = vadd_s16(accumulator[n_vec].val[1], c_val.val[1]);
|
||||||
@ -558,13 +562,13 @@ static inline void volk_gnsssdr_16ic_x2_rotator_dot_prod_16ic_xn_neon(lv_16sc_t*
|
|||||||
|
|
||||||
for (unsigned int n = neon_iters * 4; n < num_points; n++)
|
for (unsigned int n = neon_iters * 4; n < num_points; n++)
|
||||||
{
|
{
|
||||||
tmp16_ = *_in_common++;
|
tmp16_ = in_common[n];
|
||||||
tmp32_ = lv_cmake((float32_t)lv_creal(tmp16_), (float32_t)lv_cimag(tmp16_)) * (*phase);
|
tmp32_ = lv_cmake((float32_t)lv_creal(tmp16_), (float32_t)lv_cimag(tmp16_)) * (*phase);
|
||||||
tmp16_ = lv_cmake((int16_t)rintf(lv_creal(tmp32_)), (int16_t)rintf(lv_cimag(tmp32_)));
|
tmp16_ = lv_cmake((int16_t)rintf(lv_creal(tmp32_)), (int16_t)rintf(lv_cimag(tmp32_)));
|
||||||
(*phase) *= phase_inc;
|
(*phase) *= phase_inc;
|
||||||
for (int n_vec = 0; n_vec < num_a_vectors; n_vec++)
|
for (int n_vec = 0; n_vec < num_a_vectors; n_vec++)
|
||||||
{
|
{
|
||||||
tmp = tmp16_ * _in_a[n_vec][n];
|
tmp = tmp16_ * in_a[n_vec][n];
|
||||||
_out[n_vec] = lv_cmake(sat_adds16i(lv_creal(_out[n_vec]), lv_creal(tmp)), sat_adds16i(lv_cimag(_out[n_vec]), lv_cimag(tmp)));
|
_out[n_vec] = lv_cmake(sat_adds16i(lv_creal(_out[n_vec]), lv_creal(tmp)), sat_adds16i(lv_cimag(_out[n_vec]), lv_cimag(tmp)));
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user