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Removed unused vector functions

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master
Ismael Gomez 7 years ago
parent 283591a526
commit dbae016b00
3 changed files with 2 additions and 284 deletions
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33
lib/include/srslte/phy/utils/vector.h
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@ -54,7 +54,6 @@ extern "C" {
#define SRSLTE_VEC_EMA(data, average, alpha) ((alpha)*(data)+(1-alpha)*(average))
/** Return the sum of all the elements */
SRSLTE_API int srslte_vec_acc_ii(int *x, uint32_t len);
SRSLTE_API float srslte_vec_acc_ff(float *x, uint32_t len);
SRSLTE_API cf_t srslte_vec_acc_cc(cf_t *x, uint32_t len);
@ -77,7 +76,6 @@ SRSLTE_API void srslte_vec_save_file(char *filename, void *buffer, uint32_t len)
SRSLTE_API void srslte_vec_load_file(char *filename, void *buffer, uint32_t len);
/* sum two vectors */
SRSLTE_API void srslte_vec_sum_ch(uint8_t *x, uint8_t *y, char *z, uint32_t len);
SRSLTE_API void srslte_vec_sum_fff(float *x, float *y, float *z, uint32_t len);
SRSLTE_API void srslte_vec_sum_ccc(cf_t *x, cf_t *y, cf_t *z, uint32_t len);
SRSLTE_API void srslte_vec_sub_sss(int16_t *x, int16_t *y, int16_t *z, uint32_t len);
@ -87,40 +85,17 @@ SRSLTE_API void srslte_vec_sum_sss(int16_t *x, int16_t *y, int16_t *z, uint32_t
SRSLTE_API void srslte_vec_sub_fff(float *x, float *y, float *z, uint32_t len);
SRSLTE_API void srslte_vec_sub_ccc(cf_t *x, cf_t *y, cf_t *z, uint32_t len);
/* EMA filter: output=coeff*new_data + (1-coeff)*average */
SRSLTE_API void srslte_vec_ema_filter(cf_t *new_data, cf_t *average, cf_t *output, float coeff, uint32_t len);
/* Square distance */
//SRSLTE_API void srslte_vec_square_dist(cf_t symbol, cf_t *points, float *distance, uint32_t npoints);
/* scalar addition */
SRSLTE_API void srslte_vec_sc_add_fff(float *x, float h, float *z, uint32_t len);
SRSLTE_API void srslte_vec_sc_add_cfc(cf_t *x, float h, cf_t *z, uint32_t len);
SRSLTE_API void srslte_vec_sc_add_ccc(cf_t *x, cf_t h, cf_t *z, uint32_t len);
SRSLTE_API void srslte_vec_sc_add_sss(int16_t *x, int16_t h, int16_t *z, uint32_t len);
/* scalar product */
SRSLTE_API void srslte_vec_sc_prod_cfc(cf_t *x, float h, cf_t *z, uint32_t len);
SRSLTE_API void srslte_vec_sc_prod_ccc(cf_t *x, cf_t h, cf_t *z, uint32_t len);
SRSLTE_API void srslte_vec_sc_prod_fff(float *x, float h, float *z, uint32_t len);
SRSLTE_API void srslte_vec_sc_prod_sfs(short *x, float h, short *z, uint32_t len);
SRSLTE_API void srslte_vec_sc_div2_sss(short *x, int pow2_div, short *z, uint32_t len);
/* Normalization */
SRSLTE_API void srslte_vec_norm_cfc(cf_t *x, float amplitude, cf_t *y, uint32_t len);
SRSLTE_API void srslte_vec_convert_fi(float *x, int16_t *z, float scale, uint32_t len);
SRSLTE_API void srslte_vec_convert_if(int16_t *x, float *z, float scale, uint32_t len);
SRSLTE_API void srslte_vec_convert_ci(int8_t *x, int16_t *z, uint32_t len);
SRSLTE_API void srslte_vec_lut_fuf(float *x, uint32_t *lut, float *y, uint32_t len);
SRSLTE_API void srslte_vec_lut_sss(short *x, unsigned short *lut, short *y, uint32_t len);
SRSLTE_API void srslte_vec_deinterleave_cf(cf_t *x, float *real, float *imag, uint32_t len);
SRSLTE_API void srslte_vec_deinterleave_real_cf(cf_t *x, float *real, uint32_t len);
SRSLTE_API void srslte_vec_interleave_cf(float *real, float *imag, cf_t *x, uint32_t len);
/* vector product (element-wise) */
SRSLTE_API void srslte_vec_prod_ccc(cf_t *x, cf_t *y, cf_t *z, uint32_t len);
SRSLTE_API void srslte_vec_prod_ccc_split(float *x_re, float *x_im, float *y_re, float *y_im, float *z_re, float *z_im, uint32_t len);
@ -159,11 +134,6 @@ SRSLTE_API float srslte_vec_corr_ccc(cf_t *x, cf_t *y, uint32_t len);
/* return the index of the maximum value in the vector */
SRSLTE_API uint32_t srslte_vec_max_fi(float *x, uint32_t len);
SRSLTE_API uint32_t srslte_vec_max_abs_ci(cf_t *x, uint32_t len);
SRSLTE_API int16_t srslte_vec_max_star_si(int16_t *x, uint32_t len);
SRSLTE_API int16_t srslte_vec_max_abs_star_si(int16_t *x, uint32_t len);
/* maximum between two vectors */
SRSLTE_API void srslte_vec_max_fff(float *x, float *y, float *z, uint32_t len);
/* quantify vector of floats or int16 and convert to uint8_t */
SRSLTE_API void srslte_vec_quant_fuc(float *in, uint8_t *out, float gain, float offset, float clip, uint32_t len);
@ -173,9 +143,6 @@ SRSLTE_API void srslte_vec_quant_suc(int16_t *in, uint8_t *out, float gain, int1
SRSLTE_API void srslte_vec_abs_cf(cf_t *x, float *abs, uint32_t len);
SRSLTE_API void srslte_vec_abs_square_cf(cf_t *x, float *abs_square, uint32_t len);
/* argument of each vector element */
SRSLTE_API void srslte_vec_arg_cf(cf_t *x, float *arg, uint32_t len);
/* Copy 256 bit aligned vector */
SRSLTE_API void srs_vec_cf_cpy(cf_t *src, cf_t *dst, int len);

180
lib/src/phy/utils/vector.c
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@ -37,15 +37,6 @@
int srslte_vec_acc_ii(int *x, uint32_t len) {
int i;
int z=0;
for (i=0;i<len;i++) {
z+=x[i];
}
return z;
}
// Used in PRACH detector, AGC and chest_dl for noise averaging
float srslte_vec_acc_ff(float *x, uint32_t len) {
return srslte_vec_acc_ff_simd(x, len);
@ -61,16 +52,6 @@ cf_t srslte_vec_acc_cc(cf_t *x, uint32_t len) {
return srslte_vec_acc_cc_simd(x, len);
}
#warning Remove function if not used!
/*void srslte_vec_square_dist(cf_t symbol, cf_t *points, float *distance, uint32_t npoints) {
uint32_t i;
cf_t diff;
for (i=0;i<npoints;i++) {
diff = symbol - points[i];
distance[i] = crealf(diff) * crealf(diff) + cimagf(diff) * cimagf(diff);
}
}*/
void srslte_vec_sub_fff(float *x, float *y, float *z, uint32_t len) {
srslte_vec_sub_fff_simd(x, y, z, len);
}
@ -97,86 +78,16 @@ void srslte_vec_sum_ccc(cf_t *x, cf_t *y, cf_t *z, uint32_t len) {
srslte_vec_sum_fff((float*) x,(float*) y,(float*) z,2*len);
}
void srslte_vec_sum_bbb(uint8_t *x, uint8_t *y, uint8_t *z, uint32_t len) {
int i;
for (i=0;i<len;i++) {
z[i] = x[i]+y[i];
}
}
void srslte_vec_sc_add_fff(float *x, float h, float *z, uint32_t len) {
int i;
for (i=0;i<len;i++) {
z[i] = x[i]+h;
}
}
void srslte_vec_sc_add_cfc(cf_t *x, float h, cf_t *z, uint32_t len) {
int i;
for (i=0;i<len;i++) {
z[i] = x[i]+ h;
}
}
void srslte_vec_sc_add_ccc(cf_t *x, cf_t h, cf_t *z, uint32_t len) {
int i;
for (i=0;i<len;i++) {
z[i] = x[i]+ h;
}
}
void srslte_vec_sc_add_sss(int16_t *x, int16_t h, int16_t *z, uint32_t len) {
int i;
for (i=0;i<len;i++) {
z[i] = x[i]+ h;
}
}
// PSS, PBCH, DEMOD, FFTW, etc.
void srslte_vec_sc_prod_fff(float *x, float h, float *z, uint32_t len) {
srslte_vec_sc_prod_fff_simd(x, h, z, len);
}
void srslte_vec_sc_prod_sfs(short *x, float h, short *z, uint32_t len) {
int i;
for (i=0;i<len;i++) {
z[i] = x[i]*h;
}
}
#warning remove function if it is not used
/*void srslte_vec_sc_div2_sss(short *x, int n_rightshift, short *z, uint32_t len) {
#ifdef LV_HAVE_AVX2
srslte_vec_sc_div2_sss_avx2(x, n_rightshift, z, len);
#else
#ifdef LV_HAVE_SSE
srslte_vec_sc_div2_sss_sse(x, n_rightshift, z, len);
#else
int i;
int pow2_div = 1<<n_rightshift;
for (i=0;i<len;i++) {
z[i] = x[i]/pow2_div;
}
#endif
#endif
}*/
// TODO: Improve this implementation
void srslte_vec_norm_cfc(cf_t *x, float amplitude, cf_t *y, uint32_t len) {
// We should use fabs() here but is statistically should be similar
float *xp = (float*) x;
uint32_t idx = srslte_vec_max_fi(xp, 2*len);
float max = xp[idx];
// Normalize before TX
srslte_vec_sc_prod_cfc(x, amplitude/max, y, len);
}
// Used throughout
void srslte_vec_sc_prod_cfc(cf_t *x, float h, cf_t *z, uint32_t len) {
srslte_vec_sc_prod_cfc_simd(x,h,z,len);
}
// Chest UL
void srslte_vec_sc_prod_ccc(cf_t *x, cf_t h, cf_t *z, uint32_t len) {
srslte_vec_sc_prod_ccc_simd(x,h,z,len);
@ -190,63 +101,14 @@ void srslte_vec_convert_if(int16_t *x, float *z, float scale, uint32_t len) {
}
}
void srslte_vec_convert_ci(int8_t *x, int16_t *z, uint32_t len) {
int i;
for (i=0;i<len;i++) {
z[i] = ((int16_t) x[i]);
}
}
void srslte_vec_convert_fi(float *x, int16_t *z, float scale, uint32_t len) {
srslte_vec_convert_fi_simd(x, z, scale, len);
}
void srslte_vec_lut_fuf(float *x, uint32_t *lut, float *y, uint32_t len) {
for (int i=0;i<len;i++) {
y[lut[i]] = x[i];
}
}
void srslte_vec_lut_sss(short *x, unsigned short *lut, short *y, uint32_t len) {
srslte_vec_lut_sss_simd(x, lut, y, len);
}
void srslte_vec_interleave_cf(float *real, float *imag, cf_t *x, uint32_t len) {
#ifdef HAVE_VOLK_INTERLEAVE_FUNCTION
volk_32f_x2_interleave_32fc(x, real, imag, len);
#else
int i;
for (i=0;i<len;i++) {
x[i] = real[i] + _Complex_I*imag[i];
}
#endif
}
void srslte_vec_deinterleave_cf(cf_t *x, float *real, float *imag, uint32_t len) {
#ifdef HAVE_VOLK_DEINTERLEAVE_FUNCTION
volk_32fc_deinterleave_32f_x2(real, imag, x, len);
#else
int i;
for (i=0;i<len;i++) {
real[i] = __real__ x[i];
imag[i] = __imag__ x[i];
}
#endif
}
void srslte_vec_deinterleave_real_cf(cf_t *x, float *real, uint32_t len) {
int i;
for (i=0;i<len;i++) {
real[i] = __real__ x[i];
}
}
/* Note: We align memory to 32 bytes (for AVX2 compatibility)
* because in some cases volk can incorrectly detect the architecture.
* This could be inefficient for SSE or non-SIMD platforms but shouldn't
* be a huge problem.
*/
void *srslte_vec_malloc(uint32_t size) {
void *ptr;
if (posix_memalign(&ptr, SRSLTE_SIMD_BIT_ALIGN, size)) {
@ -493,52 +355,10 @@ void srslte_vec_abs_square_cf(cf_t *x, float *abs_square, uint32_t len) {
srslte_vec_abs_square_cf_simd(x,abs_square,len);
}
void srslte_vec_arg_cf(cf_t *x, float *arg, uint32_t len) {
int i;
for (i=0;i<len;i++) {
arg[i] = cargf(x[i]);
}
}
uint32_t srslte_vec_max_fi(float *x, uint32_t len) {
return srslte_vec_max_fi_simd(x, len);
}
int16_t srslte_vec_max_star_si(int16_t *x, uint32_t len) {
uint32_t i;
int16_t m=-INT16_MIN;
for (i=0;i<len;i++) {
if (x[i]>m) {
m=x[i];
}
}
return m;
}
int16_t srslte_vec_max_abs_star_si(int16_t *x, uint32_t len) {
uint32_t i;
int16_t m=-INT16_MIN;
for (i=0;i<len;i++) {
if (abs(x[i])>m) {
m=abs(x[i]);
}
}
return m;
}
void srslte_vec_max_fff(float *x, float *y, float *z, uint32_t len) {
uint32_t i;
for (i=0;i<len;i++) {
if (x[i] > y[i]) {
z[i] = x[i];
} else {
z[i] = y[i];
}
}
}
// CP autocorr
uint32_t srslte_vec_max_abs_ci(cf_t *x, uint32_t len) {
return srslte_vec_max_ci_simd(x, len);

69
lib/src/phy/utils/vector_simd.c
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@ -162,75 +162,6 @@ void srslte_vec_prod_sss_simd(int16_t *x, int16_t *y, int16_t *z, int len) {
}
}
#warning remove function if it is not used
/*
void srslte_vec_sc_div2_sss_sse(short *x, int k, short *z, uint32_t len)
{
#ifdef LV_HAVE_SSE
unsigned int number = 0;
const unsigned int points = len / 8;
const __m128i* xPtr = (const __m128i*) x;
__m128i* zPtr = (__m128i*) z;
__m128i xVal, zVal;
for(;number < points; number++){
xVal = _mm_load_si128(xPtr);
zVal = _mm_srai_epi16(xVal, k);
_mm_store_si128(zPtr, zVal);
xPtr ++;
zPtr ++;
}
number = points * 8;
short divn = (1<<k);
for(;number < len; number++){
z[number] = x[number] / divn;
}
#endif
}*/
#warning remove function if it is not used
/*
void srslte_vec_sc_div2_sss_avx2(short *x, int k, short *z, uint32_t len)
{
#ifdef LV_HAVE_AVX2
unsigned int number = 0;
const unsigned int points = len / 16;
const __m256i* xPtr = (const __m256i*) x;
__m256i* zPtr = (__m256i*) z;
__m256i xVal, zVal;
for(;number < points; number++){
xVal = _mm256_load_si256(xPtr);
zVal = _mm256_srai_epi16(xVal, k);
_mm256_store_si256(zPtr, zVal);
xPtr ++;
zPtr ++;
}
number = points * 16;
short divn = (1<<k);
for(;number < len; number++){
z[number] = x[number] / divn;
}
#endif
}*/
/* No improvement with AVX */
void srslte_vec_lut_sss_simd(short *x, unsigned short *lut, short *y, int len) {
int i = 0;

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