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Commit 5b87f2d6 authored by cig's avatar cig
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Implemented dft/idft 36864

parent 7df0f691
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Showing with 104 additions and 3 deletions
openair1/PHY/TOOLS/lte_dfts.c
View file @ 5b87f2d6
...@@ -6055,25 +6055,126 @@ void idft24576(int16_t *input, int16_t *output,int scale) ...@@ -6055,25 +6055,126 @@ void idft24576(int16_t *input, int16_t *output,int scale)
} }
int16_t twa36864[24576] __attribute__((aligned(32))); int16_t twa36864[24576] __attribute__((aligned(32)));
int16_t twb36884[24576] __attribute__((aligned(32))); int16_t twb36864[24576] __attribute__((aligned(32)));
// 12288 x 3 // 12288 x 3
void dft36864(int16_t *input, int16_t *output,int scale) { void dft36864(int16_t *input, int16_t *output,int scale) {
AssertFatal(1==0,"Need to do this ..\n"); int i,i2,j;
uint32_t tmp[3][12288] __attribute__((aligned(32)));
uint32_t tmpo[3][12288] __attribute__((aligned(32)));
simd_q15_t *y128p=(simd_q15_t*)output;
simd_q15_t ONE_OVER_SQRT3_Q15_128 = set1_int16(ONE_OVER_SQRT3_Q15);
for (i=0,j=0; i<12288; i++) {
tmp[0][i] = ((uint32_t *)input)[j++];
tmp[1][i] = ((uint32_t *)input)[j++];
tmp[2][i] = ((uint32_t *)input)[j++];
}
dft12288((int16_t*)(tmp[0]),(int16_t*)(tmpo[0]),1);
dft12288((int16_t*)(tmp[1]),(int16_t*)(tmpo[1]),1);
dft12288((int16_t*)(tmp[2]),(int16_t*)(tmpo[2]),1);
if (LOG_DUMPFLAG(DEBUG_DFT)) {
LOG_M("dft36864out0.m","o0",tmpo[0],12288,1,1);
LOG_M("dft36864out1.m","o1",tmpo[1],12288,1,1);
LOG_M("dft36864out2.m","o2",tmpo[2],12288,1,1);
}
for (i=0,i2=0; i<24576; i+=8,i2+=4) {
bfly3((simd_q15_t*)(&tmpo[0][i2]),(simd_q15_t*)(&tmpo[1][i2]),(simd_q15_t*)(&tmpo[2][i2]),
(simd_q15_t*)(output+i),(simd_q15_t*)(output+24576+i),(simd_q15_t*)(output+49152+i),
(simd_q15_t*)(twa36864+i),(simd_q15_t*)(twb36864+i));
}
if (scale==1) {
for (i=0; i<576; i++) {
y128p[0] = mulhi_int16(y128p[0],ONE_OVER_SQRT3_Q15_128);
y128p[1] = mulhi_int16(y128p[1],ONE_OVER_SQRT3_Q15_128);
y128p[2] = mulhi_int16(y128p[2],ONE_OVER_SQRT3_Q15_128);
y128p[3] = mulhi_int16(y128p[3],ONE_OVER_SQRT3_Q15_128);
y128p[4] = mulhi_int16(y128p[4],ONE_OVER_SQRT3_Q15_128);
y128p[5] = mulhi_int16(y128p[5],ONE_OVER_SQRT3_Q15_128);
y128p[6] = mulhi_int16(y128p[6],ONE_OVER_SQRT3_Q15_128);
y128p[7] = mulhi_int16(y128p[7],ONE_OVER_SQRT3_Q15_128);
y128p[8] = mulhi_int16(y128p[8],ONE_OVER_SQRT3_Q15_128);
y128p[9] = mulhi_int16(y128p[9],ONE_OVER_SQRT3_Q15_128);
y128p[10] = mulhi_int16(y128p[10],ONE_OVER_SQRT3_Q15_128);
y128p[11] = mulhi_int16(y128p[11],ONE_OVER_SQRT3_Q15_128);
y128p[12] = mulhi_int16(y128p[12],ONE_OVER_SQRT3_Q15_128);
y128p[13] = mulhi_int16(y128p[13],ONE_OVER_SQRT3_Q15_128);
y128p[14] = mulhi_int16(y128p[14],ONE_OVER_SQRT3_Q15_128);
y128p[15] = mulhi_int16(y128p[15],ONE_OVER_SQRT3_Q15_128);
y128p+=16;
}
}
_mm_empty();
_m_empty();
if (LOG_DUMPFLAG(DEBUG_DFT)) {
LOG_M("out.m","out",output,36864,1,1);
}
} }
void idft36864(int16_t *input, int16_t *output,int scale) { void idft36864(int16_t *input, int16_t *output,int scale) {
AssertFatal(1==0,"Need to do this ..\n"); int i,i2,j;
uint32_t tmp[3][12288] __attribute__((aligned(32)));
uint32_t tmpo[3][12288] __attribute__((aligned(32)));
simd_q15_t *y128p=(simd_q15_t*)output;
simd_q15_t ONE_OVER_SQRT3_Q15_128 = set1_int16(ONE_OVER_SQRT3_Q15);
for (i=0,j=0; i<12288; i++) {
tmp[0][i] = ((uint32_t *)input)[j++];
tmp[1][i] = ((uint32_t *)input)[j++];
tmp[2][i] = ((uint32_t *)input)[j++];
}
idft12288((int16_t*)(tmp[0]),(int16_t*)(tmpo[0]),1);
idft12288((int16_t*)(tmp[1]),(int16_t*)(tmpo[1]),1);
idft12288((int16_t*)(tmp[2]),(int16_t*)(tmpo[2]),1);
for (i=0,i2=0; i<24576; i+=8,i2+=4) {
ibfly3((simd_q15_t*)(&tmpo[0][i2]),(simd_q15_t*)(&tmpo[1][i2]),((simd_q15_t*)&tmpo[2][i2]),
(simd_q15_t*)(output+i),(simd_q15_t*)(output+24576+i),(simd_q15_t*)(output+49152+i),
(simd_q15_t*)(twa36864+i),(simd_q15_t*)(twb36864+i));
}
if (scale==1) {
for (i=0; i<576; i++) {
y128p[0] = mulhi_int16(y128p[0],ONE_OVER_SQRT3_Q15_128);
y128p[1] = mulhi_int16(y128p[1],ONE_OVER_SQRT3_Q15_128);
y128p[2] = mulhi_int16(y128p[2],ONE_OVER_SQRT3_Q15_128);
y128p[3] = mulhi_int16(y128p[3],ONE_OVER_SQRT3_Q15_128);
y128p[4] = mulhi_int16(y128p[4],ONE_OVER_SQRT3_Q15_128);
y128p[5] = mulhi_int16(y128p[5],ONE_OVER_SQRT3_Q15_128);
y128p[6] = mulhi_int16(y128p[6],ONE_OVER_SQRT3_Q15_128);
y128p[7] = mulhi_int16(y128p[7],ONE_OVER_SQRT3_Q15_128);
y128p[8] = mulhi_int16(y128p[8],ONE_OVER_SQRT3_Q15_128);
y128p[9] = mulhi_int16(y128p[9],ONE_OVER_SQRT3_Q15_128);
y128p[10] = mulhi_int16(y128p[10],ONE_OVER_SQRT3_Q15_128);
y128p[11] = mulhi_int16(y128p[11],ONE_OVER_SQRT3_Q15_128);
y128p[12] = mulhi_int16(y128p[12],ONE_OVER_SQRT3_Q15_128);
y128p[13] = mulhi_int16(y128p[13],ONE_OVER_SQRT3_Q15_128);
y128p[14] = mulhi_int16(y128p[14],ONE_OVER_SQRT3_Q15_128);
y128p[15] = mulhi_int16(y128p[15],ONE_OVER_SQRT3_Q15_128);
y128p+=16;
}
}
_mm_empty();
_m_empty();
} }
int16_t twa49152[32768] __attribute__((aligned(32))); int16_t twa49152[32768] __attribute__((aligned(32)));
int16_t twb49152[32768] __attribute__((aligned(32))); int16_t twb49152[32768] __attribute__((aligned(32)));
// 16384 x 3 // 16384 x 3
// TbD todo dft16384
void dft49152(int16_t *input, int16_t *output,int scale) { void dft49152(int16_t *input, int16_t *output,int scale) {
AssertFatal(1==0,"Need to do this ..\n"); AssertFatal(1==0,"Need to do this ..\n");
} }
// TbD todo dft16384
void idft49152(int16_t *input, int16_t *output,int scale) { void idft49152(int16_t *input, int16_t *output,int scale) {
AssertFatal(1==0,"Need to do this ..\n"); AssertFatal(1==0,"Need to do this ..\n");
......
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