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Added 32fc_s32f_x4_update_local_code_32fc kernel

Browse Source 
Added a new protokernel to substitute update_local_code function,
inside tracking: volk_gnsssdr_32fc_s32f_x4_update_local_code_32fc
Volk implementation is 7x times faster than generic implementation.
This commit is contained in:
Andrés Cecilia Luque
2014-10-01 13:39:07 +02:00
parent b2dab27cdb
commit da4288d502
4 changed files with 277 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/algorithms/libs/volk_gnsssdr/apps/volk_gnsssdr_profile.cc
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@@ -106,10 +106,9 @@ int main(int argc, char *argv[]) {
//GNSS-SDR PROTO-KERNELS
//lv_32fc_t sfv = lv_cmake((float)1, (float)2);
//example: VOLK_PROFILE(volk_gnsssdr_8ic_s8ic_multiply_8ic, 1e-4, sfv, 204602, 1000, &results, benchmark_mode, kernel_regex);
VOLK_PROFILE(volk_gnsssdr_32fc_convert_8ic, 1e-4, 0, 16000, 250, &results, benchmark_mode, kernel_regex);
VOLK_PROFILE(volk_gnsssdr_32fc_s32f_convert_8ic, 1e-4, 5, 16000, 250, &results, benchmark_mode, kernel_regex);
VOLK_PROFILE(volk_gnsssdr_32fc_s32f_x4_update_local_code_32fc, 1e-4, 0, 7, 1, &results, benchmark_mode, kernel_regex);
VOLK_PROFILE(volk_gnsssdr_8ic_x7_cw_vepl_corr_safe_32fc_x5, 1e-4, 0, 16000, 250, &results, benchmark_mode, kernel_regex);
VOLK_PROFILE(volk_gnsssdr_8ic_x7_cw_vepl_corr_unsafe_32fc_x5, 1e-4, 0, 16000, 250, &results, benchmark_mode, kernel_regex);
VOLK_PROFILE(volk_gnsssdr_8ic_x7_cw_vepl_corr_TEST_32fc_x5, 1e-4, 0, 16000, 250, &results, benchmark_mode, kernel_regex);
@@ -125,6 +124,8 @@ int main(int argc, char *argv[]) {
VOLK_PROFILE(volk_gnsssdr_32fc_x5_cw_epl_corr_32fc_x3, 1e-4, 0, 16000, 250, &results, benchmark_mode, kernel_regex);
VOLK_PROFILE(volk_gnsssdr_32fc_convert_16ic, 1e-4, 0, 16000, 250, &results, benchmark_mode, kernel_regex);
VOLK_PROFILE(volk_gnsssdr_32fc_convert_8ic, 1e-4, 0, 16000, 250, &results, benchmark_mode, kernel_regex);
VOLK_PROFILE(volk_gnsssdr_32fc_s32f_convert_8ic, 1e-4, 5, 16000, 250, &results, benchmark_mode, kernel_regex);
/*VOLK_PROFILE(volk_gnsssdr_32f_accumulator_s32f, 1e-4, 0, 204602, 10000, &results, benchmark_mode, kernel_regex);
VOLK_PROFILE(volk_gnsssdr_8i_accumulator_s8i, 1e-4, 0, 204602, 10000, &results, benchmark_mode, kernel_regex);

232
src/algorithms/libs/volk_gnsssdr/kernels/volk_gnsssdr/volk_gnsssdr_32fc_s32f_x4_update_local_code_32fc.h Normal file
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@@ -0,0 +1,232 @@
#ifndef INCLUDED_volk_gnsssdr_32fc_s32f_x4_update_local_code_32fc_u_H
#define INCLUDED_volk_gnsssdr_32fc_s32f_x4_update_local_code_32fc_u_H
#include <inttypes.h>
#include <stdio.h>
#include <volk_gnsssdr/volk_gnsssdr_complex.h>
#include <float.h>
#ifdef LV_HAVE_SSE4_1
#include <smmintrin.h>
/*!
\brief Takes the conjugate of a complex vector.
\param cVector The vector where the results will be stored
\param aVector Vector to be conjugated
\param num_points The number of complex values in aVector to be conjugated and stored into cVector
*/
static inline void volk_gnsssdr_32fc_s32f_x4_update_local_code_32fc_u_sse4_1(lv_32fc_t* d_very_early_code, const float d_very_early_late_spc_chips, const float code_length_half_chips, const float code_phase_step_half_chips, const float tcode_half_chips_input, const lv_32fc_t* d_ca_code, unsigned int num_points){
// float* pointer1 = (float*)&d_very_early_late_spc_chips;
// *pointer1 = 1;
// float* pointer2 = (float*)&code_length_half_chips;
// *pointer2 = 6;
// float* pointer3 = (float*)&code_phase_step_half_chips;
// *pointer3 = 7;
// float* pointer4 = (float*)&tcode_half_chips_input;
// *pointer4 = 8;
const unsigned int sse_iters = num_points / 4;
__m128 tquot, fmod_num, fmod_result, associated_chip_index_array;
__m128 tcode_half_chips_array = _mm_set_ps (tcode_half_chips_input+3*code_phase_step_half_chips, tcode_half_chips_input+2*code_phase_step_half_chips, tcode_half_chips_input+code_phase_step_half_chips, tcode_half_chips_input);
__m128 code_phase_step_half_chips_array = _mm_set1_ps (code_phase_step_half_chips*4);
__m128 d_very_early_late_spc_chips_Multiplied_by_2 = _mm_set1_ps (2*d_very_early_late_spc_chips);
__m128 code_length_half_chips_array = _mm_set1_ps (code_length_half_chips);
__m128 twos = _mm_set1_ps (2);
__m128i associated_chip_index_array_int;
__VOLK_ATTR_ALIGNED(16) int32_t output[4];
for (unsigned int i = 0; i < sse_iters; i++)
{
//fmod = numer - tquot * denom; tquot = numer/denom truncated
//associated_chip_index = 2 + round(fmod(tcode_half_chips - 2*d_very_early_late_spc_chips, code_length_half_chips));
fmod_num = _mm_sub_ps (tcode_half_chips_array, d_very_early_late_spc_chips_Multiplied_by_2);
tquot = _mm_div_ps (fmod_num, code_length_half_chips_array);
tquot = _mm_round_ps (tquot, (_MM_FROUND_TO_ZERO |_MM_FROUND_NO_EXC) );
fmod_result = _mm_sub_ps (fmod_num, _mm_mul_ps (tquot, code_length_half_chips_array));
associated_chip_index_array = _mm_round_ps (fmod_result, (_MM_FROUND_TO_NEAREST_INT |_MM_FROUND_NO_EXC));
associated_chip_index_array = _mm_add_ps(twos, associated_chip_index_array);
associated_chip_index_array_int = _mm_cvtps_epi32 (associated_chip_index_array);
_mm_storeu_si128 ((__m128i*)output, associated_chip_index_array_int);
//d_very_early_code[i] = d_ca_code[associated_chip_index];
*d_very_early_code++ = d_ca_code[output[0]];
*d_very_early_code++ = d_ca_code[output[1]];
*d_very_early_code++ = d_ca_code[output[2]];
*d_very_early_code++ = d_ca_code[output[3]];
//tcode_half_chips = tcode_half_chips + code_phase_step_half_chips;
tcode_half_chips_array = _mm_add_ps (tcode_half_chips_array, code_phase_step_half_chips_array);
}
if (num_points%4!=0)
{
__VOLK_ATTR_ALIGNED(16) float tcode_half_chips_stored[4];
_mm_storeu_si128 ((__m128i*)tcode_half_chips_stored, tcode_half_chips_array);
int associated_chip_index;
float tcode_half_chips = tcode_half_chips_stored[0];
float d_very_early_late_spc_chips_multiplied_by_2 = 2*d_very_early_late_spc_chips;
for (unsigned int i = 0; i < num_points%4; i++)
{
associated_chip_index = 2 + round(fmod(tcode_half_chips - d_very_early_late_spc_chips_multiplied_by_2, code_length_half_chips));
d_very_early_code[i] = d_ca_code[associated_chip_index];
tcode_half_chips = tcode_half_chips + code_phase_step_half_chips;
}
}
}
#endif /* LV_HAVE_SSE4_1 */
#ifdef LV_HAVE_GENERIC
/*!
\brief Takes the conjugate of a complex vector.
\param cVector The vector where the results will be stored
\param aVector Vector to be conjugated
\param num_points The number of complex values in aVector to be conjugated and stored into cVector
*/
static inline void volk_gnsssdr_32fc_s32f_x4_update_local_code_32fc_generic(lv_32fc_t* d_very_early_code, const float d_very_early_late_spc_chips, const float code_length_half_chips, const float code_phase_step_half_chips, const float tcode_half_chips_input, const lv_32fc_t* d_ca_code, unsigned int num_points){
float* pointer1 = (float*)&d_very_early_late_spc_chips;
*pointer1 = 1;
float* pointer2 = (float*)&code_length_half_chips;
*pointer2 = 6;
float* pointer3 = (float*)&code_phase_step_half_chips;
*pointer3 = 7;
float* pointer4 = (float*)&tcode_half_chips_input;
*pointer4 = 8;
int associated_chip_index;
float tcode_half_chips = tcode_half_chips_input;
float d_very_early_late_spc_chips_multiplied_by_2 = 2*d_very_early_late_spc_chips;
for (unsigned int i = 0; i < num_points; i++)
{
associated_chip_index = 2 + round(fmod(tcode_half_chips - d_very_early_late_spc_chips_multiplied_by_2, code_length_half_chips));
d_very_early_code[i] = d_ca_code[associated_chip_index];
tcode_half_chips = tcode_half_chips + code_phase_step_half_chips;
}
}
#endif /* LV_HAVE_GENERIC */
#endif /* INCLUDED_volk_gnsssdr_32fc_s32f_x4_update_local_code_32fc_u_H */
#ifndef INCLUDED_volk_gnsssdr_32fc_s32f_x4_update_local_code_32fc_a_H
#define INCLUDED_volk_gnsssdr_32fc_s32f_x4_update_local_code_32fc_a_H
#include <inttypes.h>
#include <stdio.h>
#include <volk_gnsssdr/volk_gnsssdr_complex.h>
#include <float.h>
#ifdef LV_HAVE_SSE4_1
#include <smmintrin.h>
/*!
\brief Takes the conjugate of a complex vector.
\param cVector The vector where the results will be stored
\param aVector Vector to be conjugated
\param num_points The number of complex values in aVector to be conjugated and stored into cVector
*/
static inline void volk_gnsssdr_32fc_s32f_x4_update_local_code_32fc_a_sse4_1(lv_32fc_t* d_very_early_code, const float d_very_early_late_spc_chips, const float code_length_half_chips, const float code_phase_step_half_chips, const float tcode_half_chips_input, const lv_32fc_t* d_ca_code, unsigned int num_points){
// float* pointer1 = (float*)&d_very_early_late_spc_chips;
// *pointer1 = 1;
// float* pointer2 = (float*)&code_length_half_chips;
// *pointer2 = 6;
// float* pointer3 = (float*)&code_phase_step_half_chips;
// *pointer3 = 7;
// float* pointer4 = (float*)&tcode_half_chips_input;
// *pointer4 = 8;
const unsigned int sse_iters = num_points / 4;
__m128 tquot, fmod_num, fmod_result, associated_chip_index_array;
__m128 tcode_half_chips_array = _mm_set_ps (tcode_half_chips_input+3*code_phase_step_half_chips, tcode_half_chips_input+2*code_phase_step_half_chips, tcode_half_chips_input+code_phase_step_half_chips, tcode_half_chips_input);
__m128 code_phase_step_half_chips_array = _mm_set1_ps (code_phase_step_half_chips*4);
__m128 d_very_early_late_spc_chips_Multiplied_by_2 = _mm_set1_ps (2*d_very_early_late_spc_chips);
__m128 code_length_half_chips_array = _mm_set1_ps (code_length_half_chips);
__m128 twos = _mm_set1_ps (2);
__m128i associated_chip_index_array_int;
__VOLK_ATTR_ALIGNED(16) int32_t output[4];
for (unsigned int i = 0; i < sse_iters; i++)
{
//fmod = numer - tquot * denom; tquot = numer/denom truncated
//associated_chip_index = 2 + round(fmod(tcode_half_chips - 2*d_very_early_late_spc_chips, code_length_half_chips));
fmod_num = _mm_sub_ps (tcode_half_chips_array, d_very_early_late_spc_chips_Multiplied_by_2);
tquot = _mm_div_ps (fmod_num, code_length_half_chips_array);
tquot = _mm_round_ps (tquot, (_MM_FROUND_TO_ZERO |_MM_FROUND_NO_EXC) );
fmod_result = _mm_sub_ps (fmod_num, _mm_mul_ps (tquot, code_length_half_chips_array));
associated_chip_index_array = _mm_round_ps (fmod_result, (_MM_FROUND_TO_NEAREST_INT |_MM_FROUND_NO_EXC));
associated_chip_index_array = _mm_add_ps(twos, associated_chip_index_array);
associated_chip_index_array_int = _mm_cvtps_epi32 (associated_chip_index_array);
_mm_store_si128 ((__m128i*)output, associated_chip_index_array_int);
//d_very_early_code[i] = d_ca_code[associated_chip_index];
*d_very_early_code++ = d_ca_code[output[0]];
*d_very_early_code++ = d_ca_code[output[1]];
*d_very_early_code++ = d_ca_code[output[2]];
*d_very_early_code++ = d_ca_code[output[3]];
//tcode_half_chips = tcode_half_chips + code_phase_step_half_chips;
tcode_half_chips_array = _mm_add_ps (tcode_half_chips_array, code_phase_step_half_chips_array);
}
if (num_points%4!=0)
{
__VOLK_ATTR_ALIGNED(16) float tcode_half_chips_stored[4];
_mm_store_si128 ((__m128i*)tcode_half_chips_stored, tcode_half_chips_array);
int associated_chip_index;
float tcode_half_chips = tcode_half_chips_stored[0];
float d_very_early_late_spc_chips_multiplied_by_2 = 2*d_very_early_late_spc_chips;
for (unsigned int i = 0; i < num_points%4; i++)
{
associated_chip_index = 2 + round(fmod(tcode_half_chips - d_very_early_late_spc_chips_multiplied_by_2, code_length_half_chips));
d_very_early_code[i] = d_ca_code[associated_chip_index];
tcode_half_chips = tcode_half_chips + code_phase_step_half_chips;
}
}
}
#endif /* LV_HAVE_SSE4_1 */
#ifdef LV_HAVE_GENERIC
/*!
\brief Takes the conjugate of a complex vector.
\param cVector The vector where the results will be stored
\param aVector Vector to be conjugated
\param num_points The number of complex values in aVector to be conjugated and stored into cVector
*/
static inline void volk_gnsssdr_32fc_s32f_x4_update_local_code_32fc_a_generic(lv_32fc_t* d_very_early_code, const float d_very_early_late_spc_chips, const float code_length_half_chips, const float code_phase_step_half_chips, const float tcode_half_chips_input, const lv_32fc_t* d_ca_code, unsigned int num_points){
// float* pointer1 = (float*)&d_very_early_late_spc_chips;
// *pointer1 = 1;
// float* pointer2 = (float*)&code_length_half_chips;
// *pointer2 = 6;
// float* pointer3 = (float*)&code_phase_step_half_chips;
// *pointer3 = 7;
// float* pointer4 = (float*)&tcode_half_chips_input;
// *pointer4 = 8;
int associated_chip_index;
float tcode_half_chips = tcode_half_chips_input;
float d_very_early_late_spc_chips_multiplied_by_2 = 2*d_very_early_late_spc_chips;
for (unsigned int i = 0; i < num_points; i++)
{
associated_chip_index = 2 + round(fmod(tcode_half_chips - d_very_early_late_spc_chips_multiplied_by_2, code_length_half_chips));
d_very_early_code[i] = d_ca_code[associated_chip_index];
tcode_half_chips = tcode_half_chips + code_phase_step_half_chips;
}
}
#endif /* LV_HAVE_GENERIC */
#endif /* INCLUDED_volk_gnsssdr_32fc_s32f_x4_update_local_code_32fc_a_H */

4
src/algorithms/libs/volk_gnsssdr/lib/testqa.cc
View File

@@ -67,9 +67,7 @@ VOLK_RUN_TESTS(volk_gnsssdr_8ic_x7_cw_vepl_corr_unsafe_32fc_x5, 1e-4, 0, 20462,
VOLK_RUN_TESTS(volk_gnsssdr_8ic_x7_cw_vepl_corr_32fc_x5, 1e-4, 0, 20462, 1);
VOLK_RUN_TESTS(volk_gnsssdr_8ic_x7_cw_vepl_corr_TEST_32fc_x5, 1e-4, 0, 20462, 1);
VOLK_RUN_TESTS(volk_gnsssdr_32fc_s32f_x4_update_local_code_32fc, 1e-4, 0, 20462, 1);

74
src/algorithms/tracking/gnuradio_blocks/galileo_e1_dll_pll_veml_tracking_cc.cc
View File

@@ -272,12 +272,18 @@ void galileo_e1_dll_pll_veml_tracking_cc::update_local_code()
epl_loop_length_samples = d_current_prn_length_samples + very_early_late_spc_samples*2;
for (int i = 0; i < epl_loop_length_samples; i++)
{
associated_chip_index = 2 + round(fmod(tcode_half_chips - 2*d_very_early_late_spc_chips, code_length_half_chips));
d_very_early_code[i] = d_ca_code[associated_chip_index];
tcode_half_chips = tcode_half_chips + code_phase_step_half_chips;
}
volk_gnsssdr_32fc_s32f_x4_update_local_code_32fc_manual(d_very_early_code, (float) d_very_early_late_spc_chips, (float) code_length_half_chips, (float) code_phase_step_half_chips, (float) tcode_half_chips, d_ca_code, epl_loop_length_samples, "generic");
volk_gnsssdr_32fc_s32f_x4_update_local_code_32fc_manual(d_very_early_code, (float) d_very_early_late_spc_chips, (float) code_length_half_chips, (float) code_phase_step_half_chips, (float) tcode_half_chips, d_ca_code, epl_loop_length_samples, "u_sse4_1");
// float d_very_early_late_spc_chips_multiplied_by_2 = 2*d_very_early_late_spc_chips;
// for (int i = 0; i < epl_loop_length_samples; i++)
// {
// associated_chip_index = 2 + round(fmod(tcode_half_chips - d_very_early_late_spc_chips_multiplied_by_2, code_length_half_chips));
// d_very_early_code[i] = d_ca_code[associated_chip_index];
// tcode_half_chips = tcode_half_chips + code_phase_step_half_chips;
// }
memcpy(d_early_code, &d_very_early_code[very_early_late_spc_samples - early_late_spc_samples], d_current_prn_length_samples* sizeof(gr_complex));
memcpy(d_prompt_code, &d_very_early_code[very_early_late_spc_samples], d_current_prn_length_samples* sizeof(gr_complex));
memcpy(d_late_code, &d_very_early_code[very_early_late_spc_samples + early_late_spc_samples], d_current_prn_length_samples* sizeof(gr_complex));
@@ -377,32 +383,32 @@ int galileo_e1_dll_pll_veml_tracking_cc::general_work (int noutput_items,gr_vect
update_local_carrier();
//perform carrier wipe-off and compute Very Early, Early, Prompt, Late and Very Late correlation
d_correlator.Carrier_wipeoff_and_VEPL_volk(d_current_prn_length_samples,
in,
d_carr_sign,
d_very_early_code,
d_early_code,
d_prompt_code,
d_late_code,
d_very_late_code,
d_Very_Early,
d_Early,
d_Prompt,
d_Late,
d_Very_Late,
is_unaligned());
volk_gnsssdr_32fc_x7_cw_vepl_corr_32fc_x5(d_Very_Early, d_Early, d_Prompt, d_Late, d_Very_Late, in, d_carr_sign, d_very_early_code, d_early_code, d_prompt_code, d_late_code, d_very_late_code, d_current_prn_length_samples);
volk_gnsssdr_32fc_convert_16ic(d_very_early_code16, d_very_early_code, d_current_prn_length_samples);
volk_gnsssdr_32fc_convert_16ic(d_early_code16, d_early_code, d_current_prn_length_samples);
volk_gnsssdr_32fc_convert_16ic(d_prompt_code16, d_prompt_code, d_current_prn_length_samples);
volk_gnsssdr_32fc_convert_16ic(d_late_code16, d_late_code, d_current_prn_length_samples);
volk_gnsssdr_32fc_convert_16ic(d_very_late_code16, d_very_late_code, d_current_prn_length_samples);
volk_gnsssdr_32fc_convert_16ic(in16, in, d_current_prn_length_samples);
volk_gnsssdr_32fc_convert_16ic(d_carr_sign16, d_carr_sign, d_current_prn_length_samples);
volk_gnsssdr_16ic_x7_cw_vepl_corr_32fc_x5(d_Very_Early, d_Early, d_Prompt, d_Late, d_Very_Late, in16, d_carr_sign16, d_very_early_code16, d_early_code16, d_prompt_code16, d_late_code16, d_very_late_code16, d_current_prn_length_samples);
// d_correlator.Carrier_wipeoff_and_VEPL_volk(d_current_prn_length_samples,
// in,
// d_carr_sign,
// d_very_early_code,
// d_early_code,
// d_prompt_code,
// d_late_code,
// d_very_late_code,
// d_Very_Early,
// d_Early,
// d_Prompt,
// d_Late,
// d_Very_Late,
// is_unaligned());
//
// volk_gnsssdr_32fc_x7_cw_vepl_corr_32fc_x5(d_Very_Early, d_Early, d_Prompt, d_Late, d_Very_Late, in, d_carr_sign, d_very_early_code, d_early_code, d_prompt_code, d_late_code, d_very_late_code, d_current_prn_length_samples);
//
// volk_gnsssdr_32fc_convert_16ic(d_very_early_code16, d_very_early_code, d_current_prn_length_samples);
// volk_gnsssdr_32fc_convert_16ic(d_early_code16, d_early_code, d_current_prn_length_samples);
// volk_gnsssdr_32fc_convert_16ic(d_prompt_code16, d_prompt_code, d_current_prn_length_samples);
// volk_gnsssdr_32fc_convert_16ic(d_late_code16, d_late_code, d_current_prn_length_samples);
// volk_gnsssdr_32fc_convert_16ic(d_very_late_code16, d_very_late_code, d_current_prn_length_samples);
// volk_gnsssdr_32fc_convert_16ic(in16, in, d_current_prn_length_samples);
// volk_gnsssdr_32fc_convert_16ic(d_carr_sign16, d_carr_sign, d_current_prn_length_samples);
//
// volk_gnsssdr_16ic_x7_cw_vepl_corr_32fc_x5(d_Very_Early, d_Early, d_Prompt, d_Late, d_Very_Late, in16, d_carr_sign16, d_very_early_code16, d_early_code16, d_prompt_code16, d_late_code16, d_very_late_code16, d_current_prn_length_samples);
volk_gnsssdr_32fc_convert_8ic(d_very_early_code8, d_very_early_code, d_current_prn_length_samples);
volk_gnsssdr_32fc_convert_8ic(d_early_code8, d_early_code, d_current_prn_length_samples);
@@ -412,9 +418,9 @@ int galileo_e1_dll_pll_veml_tracking_cc::general_work (int noutput_items,gr_vect
volk_gnsssdr_32fc_convert_8ic(d_carr_sign8, d_carr_sign, d_current_prn_length_samples);
volk_gnsssdr_32fc_s32f_convert_8ic(in8, in, 4, d_current_prn_length_samples);
volk_gnsssdr_8ic_x7_cw_vepl_corr_32fc_x5(d_Very_Early, d_Early, d_Prompt, d_Late, d_Very_Late, in8, d_carr_sign8, d_very_early_code8, d_early_code8, d_prompt_code8, d_late_code8, d_very_late_code8, d_current_prn_length_samples);
//volk_gnsssdr_8ic_x7_cw_vepl_corr_32fc_x5(d_Very_Early, d_Early, d_Prompt, d_Late, d_Very_Late, in8, d_carr_sign8, d_very_early_code8, d_early_code8, d_prompt_code8, d_late_code8, d_very_late_code8, d_current_prn_length_samples);
volk_gnsssdr_8ic_x7_cw_vepl_corr_unsafe_32fc_x5(d_Very_Early, d_Early, d_Prompt, d_Late, d_Very_Late, in8, d_carr_sign8, d_very_early_code8, d_early_code8, d_prompt_code8, d_late_code8, d_very_late_code8, d_current_prn_length_samples);
//volk_gnsssdr_8ic_x7_cw_vepl_corr_unsafe_32fc_x5(d_Very_Early, d_Early, d_Prompt, d_Late, d_Very_Late, in8, d_carr_sign8, d_very_early_code8, d_early_code8, d_prompt_code8, d_late_code8, d_very_late_code8, d_current_prn_length_samples);
volk_gnsssdr_8ic_x7_cw_vepl_corr_safe_32fc_x5(d_Very_Early, d_Early, d_Prompt, d_Late, d_Very_Late, in8, d_carr_sign8, d_very_early_code8, d_early_code8, d_prompt_code8, d_late_code8, d_very_late_code8, d_current_prn_length_samples);