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https://github.com/gnss-sdr/gnss-sdr
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Merge branch 'new_volk_module' of git+ssh://github.com/gnss-sdr/gnss-sdr
into new_volk_module # Conflicts: # src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/kernels/volk_gnsssdr/volk_gnsssdr_16ic_x2_dot_prod_16ic.h
This commit is contained in:
Carles Fernandez
commit
090f6524db
@ -40,7 +40,6 @@
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#include <volk_gnsssdr/volk_gnsssdr_common.h>
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#include <volk_gnsssdr/volk_gnsssdr_complex.h>
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#include <volk_gnsssdr/saturation_arithmetic.h>
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//#include <stdio.h>
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#ifdef LV_HAVE_GENERIC
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@ -56,11 +55,9 @@ static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_generic(lv_16sc_t* result,
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result[0] = lv_cmake((int16_t)0, (int16_t)0);
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for (unsigned int n = 0; n < num_points; n++)
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{
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//r*a.r - i*a.i, i*a.r + r*a.i
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lv_16sc_t tmp = in_a[n] * in_b[n];
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result[0] = lv_cmake(sat_adds16i(lv_creal(result[0]), lv_creal(tmp)), sat_adds16i(lv_cimag(result[0]), lv_cimag(tmp) ));
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}
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//printf("generic result = %i,%i", lv_creal(result[0]),lv_cimag(result[0]));
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}
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#endif /*LV_HAVE_GENERIC*/
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@ -70,74 +67,73 @@ static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_generic(lv_16sc_t* result,
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#include <emmintrin.h>
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static inline void volk_gnsssdr_16ic_x2_dot_prod_16ic_a_sse2(lv_16sc_t* out, const lv_16sc_t* in_a, const lv_16sc_t* in_b, unsigned int num_points)
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{
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lv_16sc_t dotProduct = lv_cmake((int16_t)0, (int16_t)0);
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lv_16sc_t dotProduct = lv_cmake((int16_t)0, (int16_t)0);
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const unsigned int sse_iters = num_points / 4;
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const unsigned int sse_iters = num_points / 4;
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const lv_16sc_t* _in_a = in_a;
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const lv_16sc_t* _in_b = in_b;
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lv_16sc_t* _out = out;
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const lv_16sc_t* _in_a = in_a;
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const lv_16sc_t* _in_b = in_b;
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lv_16sc_t* _out = out;
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if (sse_iters > 0)
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{
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__m128i a,b,c, c_sr, mask_imag, mask_real, real, imag, imag1,imag2, b_sl, a_sl, realcacc, imagcacc, result;
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if (sse_iters > 0)
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{
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__m128i a,b,c, c_sr, mask_imag, mask_real, real, imag, imag1,imag2, b_sl, a_sl, realcacc, imagcacc, result;
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realcacc = _mm_setzero_si128();
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imagcacc = _mm_setzero_si128();
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realcacc = _mm_setzero_si128();
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imagcacc = _mm_setzero_si128();
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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_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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for(unsigned int number = 0; number < sse_iters; number++)
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{
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//std::complex<T> memory structure: real part -> reinterpret_cast<cv T*>(a)[2*i]
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//imaginery part -> reinterpret_cast<cv T*>(a)[2*i + 1]
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// a[127:0]=[a3.i,a3.r,a2.i,a2.r,a1.i,a1.r,a0.i,a0.r]
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a = _mm_loadu_si128((__m128i*)_in_a); //load (2 byte imag, 2 byte real) x 4 into 128 bits reg
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b = _mm_loadu_si128((__m128i*)_in_b);
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c = _mm_mullo_epi16 (a, b); // a3.i*b3.i, a3.r*b3.r, ....
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for(unsigned int number = 0; number < sse_iters; number++)
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{
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//std::complex<T> memory structure: real part -> reinterpret_cast<cv T*>(a)[2*i]
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//imaginery part -> reinterpret_cast<cv T*>(a)[2*i + 1]
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// a[127:0]=[a3.i,a3.r,a2.i,a2.r,a1.i,a1.r,a0.i,a0.r]
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a = _mm_loadu_si128((__m128i*)_in_a); //load (2 byte imag, 2 byte real) x 4 into 128 bits reg
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b = _mm_loadu_si128((__m128i*)_in_b);
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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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real = _mm_subs_epi16 (c,c_sr);
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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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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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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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imag1 = _mm_mullo_epi16(a, b_sl); // a3.i*b3.r, ....
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imag2 = _mm_mullo_epi16(b, a_sl); // b3.i*a3.r, ....
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imag1 = _mm_mullo_epi16(a, b_sl); // a3.i*b3.r, ....
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imag2 = _mm_mullo_epi16(b, a_sl); // b3.i*a3.r, ....
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imag = _mm_adds_epi16(imag1, imag2); //with saturation aritmetic!
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imag = _mm_adds_epi16(imag1, imag2); //with saturation aritmetic!
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realcacc = _mm_adds_epi16 (realcacc, real);
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imagcacc = _mm_adds_epi16 (imagcacc, imag);
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realcacc = _mm_adds_epi16 (realcacc, real);
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imagcacc = _mm_adds_epi16 (imagcacc, imag);
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_in_a += 4;
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_in_b += 4;
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}
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_in_a += 4;
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_in_b += 4;
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}
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realcacc = _mm_and_si128 (realcacc, mask_real);
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imagcacc = _mm_and_si128 (imagcacc, mask_imag);
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realcacc = _mm_and_si128 (realcacc, mask_real);
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imagcacc = _mm_and_si128 (imagcacc, mask_imag);
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result = _mm_or_si128 (realcacc, imagcacc);
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result = _mm_or_si128 (realcacc, imagcacc);
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__VOLK_ATTR_ALIGNED(16) lv_16sc_t dotProductVector[4];
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__VOLK_ATTR_ALIGNED(16) lv_16sc_t dotProductVector[4];
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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,result); // Store the results back into the dot product vector
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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])), sat_adds16i(lv_cimag(dotProduct), lv_cimag(dotProductVector[i])));
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}
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}
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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])), sat_adds16i(lv_cimag(dotProduct), lv_cimag(dotProductVector[i])));
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}
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}
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for (unsigned int i = 0; i < (num_points % 4); ++i)
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{
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lv_16sc_t tmp = (*_in_a++) * (*_in_b++);
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dotProduct = lv_cmake( sat_adds16i(lv_creal(dotProduct), lv_creal(tmp)), sat_adds16i(lv_cimag(dotProduct), lv_cimag(tmp)));
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}
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for (unsigned int i = 0; i < (num_points % 4); ++i)
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{
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lv_16sc_t tmp = (*_in_a++) * (*_in_b++);
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dotProduct = lv_cmake( sat_adds16i(lv_creal(dotProduct), lv_creal(tmp)), sat_adds16i(lv_cimag(dotProduct), lv_cimag(tmp)));
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}
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*_out = dotProduct;
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*_out = dotProduct;
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}
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#endif /* LV_HAVE_SSE2 */
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@ -110,7 +110,7 @@ static inline void volk_gnsssdr_32fc_convert_16ic_u_sse(lv_16sc_t* outputVector,
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float max_val = 32767;
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__m128 inputVal1, inputVal2;
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__m128i intInputVal1, intInputVal2;
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__m128i intInputVal1, intInputVal2; // is __m128i defined in xmmintrin.h?
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__m128 ret1, ret2;
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__m128 vmin_val = _mm_set_ps1(min_val);
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__m128 vmax_val = _mm_set_ps1(max_val);
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@ -77,7 +77,7 @@ static inline void volk_gnsssdr_8i_max_s8i_u_sse4_1(char* target, const char* sr
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}
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}
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for(unsigned int i = 0; i<(num_points % 16); ++i)
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for(unsigned int i = sse_iters * 16; i< num_points; ++i)
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{
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if(src0[i] > max)
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{
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@ -140,7 +140,7 @@ static inline void volk_gnsssdr_8i_max_s8i_u_sse2(char* target, const char* src0
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inputPtr += 16;
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}
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for(unsigned int i = 0; i<(num_points % 16); ++i)
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for(unsigned int i = sse_iters * 16; i < num_points; ++i)
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{
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if(src0[i] > max)
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{
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@ -228,7 +228,7 @@ static inline void volk_gnsssdr_8i_max_s8i_a_sse4_1(char* target, const char* sr
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}
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}
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for(unsigned int i = 0; i<(num_points % 16); ++i)
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for(unsigned int i = sse_iters * 16; i < num_points; ++i)
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{
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if(src0[i] > max)
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{
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@ -291,7 +291,7 @@ static inline void volk_gnsssdr_8i_max_s8i_a_sse2(char* target, const char* src0
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inputPtr += 16;
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}
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for(unsigned int i = 0; i<(num_points % 16); ++i)
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for(unsigned int i = sse_iters * 16; i < num_points; ++i)
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{
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if(src0[i] > max)
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{
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@ -315,18 +315,15 @@ static inline void volk_gnsssdr_8i_max_s8i_a_generic(char* target, const char* s
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{
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if(num_points > 0)
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{
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if(num_points > 0)
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char max = src0[0];
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for(unsigned int i = 1; i < num_points; ++i)
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{
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char max = src0[0];
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for(unsigned int i = 1; i < num_points; ++i)
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if(src0[i] > max)
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{
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if(src0[i] > max)
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{
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max = src0[i];
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}
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max = src0[i];
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}
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target[0] = max;
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}
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target[0] = max;
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}
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}
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@ -39,7 +39,7 @@
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#include <volk_gnsssdr/volk_gnsssdr_malloc.h>
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float uniform() {
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return M_PI*2.0f * ((float) rand() / RAND_MAX - 0.5f); // uniformly (-1, 1)
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return 2.0f * ((float) rand() / RAND_MAX - 0.5f); // uniformly (-1, 1)
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}
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template <class t>
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@ -72,13 +72,11 @@ void load_random_data(void *data, volk_gnsssdr_type_t type, unsigned int n)
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else ((uint64_t *)data)[i] = (uint64_t) scaled_rand;
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break;
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case 4:
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if(type.is_signed) ((int32_t *)data)[i] = (int32_t) scaled_rand;
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else ((uint32_t *)data)[i] = (uint32_t) scaled_rand;
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if(type.is_signed) ((int32_t *)data)[i] = (int32_t) scaled_rand;
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else ((uint32_t *)data)[i] = (uint32_t) scaled_rand;
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break;
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case 2:
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// 16 bits dot product saturates very fast even with moderate lenght vectors
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// 16 bits dot product saturates very fast even with moderate length vectors
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// we produce here only 4 bits input range
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if(type.is_signed) ((int16_t *)data)[i] = (int16_t)((int16_t) scaled_rand % 16);
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@ -190,7 +188,7 @@ static void get_signatures_from_name(std::vector<volk_gnsssdr_type_t> &inputsig,
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try {
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multiplier = boost::lexical_cast<int>(token.substr(1, token.size()-1)); //will throw if invalid ///////////
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} catch(...) {
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multiplier = 1; // This is our '..._xn' mulriple correlator. Assign a fixed number here for the test?
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multiplier = 1; // This is our '..._xn' multiple correlator. Assign a fixed number here for the test?
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}
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for(int i=1; i<multiplier; i++) {
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if(side == SIDE_INPUT) inputsig.push_back(inputsig.back());
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@ -221,6 +219,10 @@ inline void run_cast_test2(volk_gnsssdr_fn_2arg func, std::vector<void *> &buffs
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while(iter--) func(buffs[0], buffs[1], vlen, arch.c_str());
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}
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//inline void run_cast_test2(volk_gnsssdr_fn_2arg_r func, std::vector<void *> &buffs, float rem_code_phase_chips, float code_phase_step_chips, unsigned int vlen, int code_length_chips, unsigned int iter, std::string arch) {
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// while(iter--) func(buffs[0], buffs[1], rem_code_phase_chips, code_phase_step_chips, vlen, code_length_chips, arch.c_str());
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//}
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inline void run_cast_test3(volk_gnsssdr_fn_3arg func, std::vector<void *> &buffs, unsigned int vlen, unsigned int iter, std::string arch) {
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while(iter--) func(buffs[0], buffs[1], buffs[2], vlen, arch.c_str());
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}
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@ -291,16 +293,25 @@ inline void run_cast_test1_s16ic(volk_gnsssdr_fn_1arg_s16ic func, std::vector<vo
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while(iter--) func(buffs[0], scalar, vlen, arch.c_str());
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}
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inline void run_cast_test2_s16ic(volk_gnsssdr_fn_2arg_s16ic func, std::vector<void *> &buffs, lv_16sc_t scalar, unsigned int vlen, unsigned int iter, std::string arch)
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{
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while(iter--) func(buffs[0], buffs[1], scalar, vlen, arch.c_str());
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}
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//inline void run_cast_test2_s16ic(volk_gnsssdr_fn_2arg_s16ic func, std::vector<void *> &buffs, float rem_code_phase_chips, float code_phase_step_chips, int code_length_chips, unsigned int vlen, unsigned int iter, std::string arch)
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//{
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// while(iter--) func(buffs[0], buffs[1], rem_code_phase_chips, code_phase_step_chips, vlen, code_length_chips, arch.c_str());
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//}
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inline void run_cast_test3_s16ic(volk_gnsssdr_fn_3arg_s16ic func, std::vector<void *> &buffs, lv_16sc_t scalar, unsigned int vlen, unsigned int iter, std::string arch)
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{
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while(iter--) func(buffs[0], buffs[1], buffs[2], scalar, vlen, arch.c_str());
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}
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// end new
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inline void run_cast_test8(volk_gnsssdr_fn_8arg func, std::vector<void *> &buffs, unsigned int vlen, unsigned int iter, std::string arch)
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@ -601,7 +612,14 @@ bool run_volk_gnsssdr_tests(volk_gnsssdr_func_desc_t desc,
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case 2:
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if(inputsc.size() == 0)
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{
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run_cast_test2((volk_gnsssdr_fn_2arg)(manual_func), test_data[i], vlen, iter, arch_list[i]);
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// if(name.find("resampler") != std::string::npos)
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// {
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// run_cast_test2((volk_gnsssdr_fn_2arg_r)(manual_func), test_data[i], 1, 1, vlen, 1000, iter, arch_list[i]);
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// }
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// else
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// {
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run_cast_test2((volk_gnsssdr_fn_2arg)(manual_func), test_data[i], vlen, iter, arch_list[i]);
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// }
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}
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else if(inputsc.size() == 1 && inputsc[0].is_float)
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{
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@ -151,6 +151,7 @@ bool run_volk_gnsssdr_tests(
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#define VOLK_PUPPET_PROFILE(func, puppet_master_func, test_params, results) run_volk_gnsssdr_tests(func##_get_func_desc(), (void (*)())func##_manual, std::string(#func), test_params, results, std::string(#puppet_master_func))
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typedef void (*volk_gnsssdr_fn_1arg)(void *, unsigned int, const char*); //one input, operate in place
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typedef void (*volk_gnsssdr_fn_2arg)(void *, void *, unsigned int, const char*);
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//typedef void (*volk_gnsssdr_fn_2arg_r)(void *, void *, float, float, unsigned int, float, const char*);
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typedef void (*volk_gnsssdr_fn_3arg)(void *, void *, void *, unsigned int, const char*);
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typedef void (*volk_gnsssdr_fn_4arg)(void *, void *, void *, void *, unsigned int, const char*);
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typedef void (*volk_gnsssdr_fn_1arg_s32f)(void *, float, unsigned int, const char*); //one input vector, one scalar float input
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