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Refactor PUSCH per-symbol threadpool utilization

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A small refactor for PUSCH per-symbol processing. This fixes a possible
issue in case num_pusch_symbols_per_thread is not 1
This commit is contained in:
Bartosz Podrygajlo
2025-01-03 08:11:35 +01:00
parent 75162adf68
commit 88cde50d4c
1 changed files with 7 additions and 5 deletions
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openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c
+7 -5
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@@ -1481,15 +1481,16 @@ int nr_rx_pusch_tp(PHY_VARS_gNB *gNB,
start_meas(&gNB->rx_pusch_symbol_processing_stats);
int numSymbols = gNB->num_pusch_symbols_per_thread;
int total_res = 0;
int const loop_iter = rel15_ul->nr_of_symbols / numSymbols;
int const loop_iter = CEILIDIV(rel15_ul->nr_of_symbols, numSymbols);
puschSymbolProc_t arr[loop_iter];
task_ans_t arr_ans[loop_iter];
memset(arr_ans, 0, loop_iter * sizeof(task_ans_t));
memset(arr_ans, 0, sizeof(arr_ans));
int sz_arr = 0;
for(uint8_t symbol = rel15_ul->start_symbol_index; symbol < end_symbol; symbol += numSymbols) {
for(uint8_t task_index = 0; task_index < loop_iter; task_index++) {
int symbol = task_index * numSymbols + rel15_ul->start_symbol_index;
int res_per_task = 0;
for (int s = 0; s < numSymbols; s++) {
for (int s = 0; s < numSymbols && s + symbol < end_symbol; s++) {
pusch_vars->ul_valid_re_per_slot[symbol+s] = get_nb_re_pusch(frame_parms,rel15_ul,symbol+s);
pusch_vars->llr_offset[symbol+s] = ((symbol+s) == rel15_ul->start_symbol_index) ?
0 :
@@ -1507,7 +1508,8 @@ int nr_rx_pusch_tp(PHY_VARS_gNB *gNB,
rdata->rel15_ul = rel15_ul;
rdata->slot = slot;
rdata->startSymbol = symbol;
rdata->numSymbols = numSymbols;
// Last task processes remainder symbols
rdata->numSymbols = task_index == loop_iter - 1 ? rel15_ul->nr_of_symbols - (loop_iter - 1) * numSymbols : numSymbols;
rdata->ulsch_id = ulsch_id;
rdata->llr = pusch_vars->llr;
rdata->llr_layers = pusch_vars->llr_layers;