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remove race condition on norm128 global

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This commit is contained in:
Laurent THOMAS
2023-09-13 17:20:04 +02:00
committed by Robert Schmidt
parent a7bc282302
commit a62641f9f3
8 changed files with 1050 additions and 1010 deletions
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openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_bnProc.h
+6 -9
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@@ -1322,16 +1322,13 @@ static inline void nrLDPC_llr2bit(int8_t* out, int8_t* llrOut, uint16_t numLLR)
{
simde__m256i* p_llrOut = (simde__m256i*) llrOut;
simde__m256i* p_out = (simde__m256i*) out;
int8_t* p_llrOut8;
int8_t* p_out8;
uint32_t i;
uint32_t M = numLLR>>5;
uint32_t Mr = numLLR&31;
const uint32_t M = numLLR>>5;
const uint32_t Mr = numLLR&31;
const simde__m256i* p_zeros = (simde__m256i*) zeros256_epi8;
const simde__m256i* p_ones = (simde__m256i*) ones256_epi8;
for (int i = 0; i < M; i++) {
for (uint32_t i = 0; i < M; i++) {
*p_out++ = simde_mm256_and_si256(*p_ones, simde_mm256_cmpgt_epi8(*p_zeros, *p_llrOut));
p_llrOut++;
}
@@ -1340,7 +1337,7 @@ static inline void nrLDPC_llr2bit(int8_t* out, int8_t* llrOut, uint16_t numLLR)
int8_t* p_llrOut8 = (int8_t*)p_llrOut;
int8_t* p_out8 = (int8_t*)p_out;
for (int i = 0; i < Mr; i++)
for (uint32_t i = 0; i < Mr; i++)
p_out8[i] = p_llrOut8[i] < 0;
}
@@ -1357,7 +1354,7 @@ static inline void nrLDPC_llr2bitPacked(int8_t* out, int8_t* llrOut, uint16_t nu
{
/** Vector of indices for shuffling input */
const uint8_t constShuffle_256_epi8[32] __attribute__ ((aligned(32))) = {7,6,5,4,3,2,1,0,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0,15,14,13,12,11,10,9,8};
const __m256i* p_shuffle = (__m256i*)constShuffle_256_epi8;
const simde__m256i* p_shuffle = (simde__m256i*) constShuffle_256_epi8;
simde__m256i* p_llrOut = (simde__m256i*) llrOut;
uint32_t* p_bits = (uint32_t*) out;
@@ -1366,7 +1363,7 @@ static inline void nrLDPC_llr2bitPacked(int8_t* out, int8_t* llrOut, uint16_t nu
for (uint32_t i = 0; i < M; i++) {
// Move LSB to MSB on 8 bits
const __m256i inPerm = simde_mm256_shuffle_epi8(*p_llrOut, *p_shuffle);
const simde__m256i inPerm = simde_mm256_shuffle_epi8(*p_llrOut, *p_shuffle);
// Hard decision
*p_bits++ = simde_mm256_movemask_epi8(inPerm);
p_llrOut++;