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diabling avx2 for qpsk

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This commit is contained in:
Sakthivel Velumani
2020-08-14 16:31:37 +02:00
parent 8aa88999fc
commit 9c01cc66ea
3 changed files with 6 additions and 4 deletions
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openair1/PHY/MODULATION/nr_modulation.c
+4 -2
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@@ -38,7 +38,7 @@ void nr_modulation(uint32_t *in,
uint32_t bit_cnt; uint32_t bit_cnt;
uint64_t x,x1,x2; uint64_t x,x1,x2;
#if defined(__AVX2__) #if 0//defined(__AVX2__)
uint16_t *in_2bytes = (uint16_t*) in; uint16_t *in_2bytes = (uint16_t*) in;
__m256i *nr_mod_table256; __m256i *nr_mod_table256;
__m256i *out256; __m256i *out256;
@@ -113,7 +113,9 @@ void nr_modulation(uint32_t *in,
out32[i] = nr_mod_table32[in_bytes[i]]; out32[i] = nr_mod_table32[in_bytes[i]];
return; return;
#if defined(__AVX2__) #if 0//defined(__AVX2__)
// disabling this as it is slower than SSE2
// (maybe because L1 cache could not hold the large table)
case 2: case 2:
nr_mod_table256 = (__m256i*) nr_qpsk_2byte_mod_table; nr_mod_table256 = (__m256i*) nr_qpsk_2byte_mod_table;
out256 = (__m256i*) out; out256 = (__m256i*) out;
openair1/PHY/NR_REFSIG/nr_gen_mod_table.c
+1 -1
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@@ -34,7 +34,7 @@ void nr_generate_modulation_table() {
short nr_qpsk_mod_table[8] = {16384,16384,-16384,16384,16384,-16384,-16384,-16384}; short nr_qpsk_mod_table[8] = {16384,16384,-16384,16384,16384,-16384,-16384,-16384};
#if defined(__AVX2__) #if 0//defined(__AVX2__)
//QPSK m256 //QPSK m256
table = (short*) nr_qpsk_2byte_mod_table; table = (short*) nr_qpsk_2byte_mod_table;
for (i=0; i<65536; i++) { for (i=0; i<65536; i++) {
openair1/PHY/NR_REFSIG/nr_mod_table.h
+1 -1
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@@ -31,7 +31,7 @@
short nr_qpsk_mod_table[8]; short nr_qpsk_mod_table[8];
#if defined(__AVX2__) #if 0//defined(__AVX2__)
__m256i nr_qpsk_2byte_mod_table[65536]; __m256i nr_qpsk_2byte_mod_table[65536];
#elif defined(__SSE2__) #elif defined(__SSE2__)
__m128i nr_qpsk_byte_mod_table[2048]; __m128i nr_qpsk_byte_mod_table[2048];