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nrLDPC_coding_t2: use nb_segments_decoding() and nb_segments_encoding() to calculate num_segments

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This commit is contained in:
Thomas Schlichter
2025-05-20 07:56:24 +00:00
parent 084bbb0363
commit d8b3bfd17b
1 changed files with 8 additions and 11 deletions
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openair1/PHY/CODING/nrLDPC_coding/nrLDPC_coding_t2/nrLDPC_coding_t2.c
+8 -11
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@@ -1036,16 +1036,14 @@ int32_t nrLDPC_coding_decoder(nrLDPC_slot_decoding_parameters_t *nrLDPC_slot_dec
pthread_mutex_lock(&decode_mutex);
uint16_t num_blocks = 0;
for(uint16_t h = 0; h < nrLDPC_slot_decoding_parameters->nb_TBs; ++h){
num_blocks += nrLDPC_slot_decoding_parameters->TBs[h].C;
}
const uint16_t num_segments = nb_segments_decoding(nrLDPC_slot_decoding_parameters);
uint16_t z_ol[LDPC_MAX_CB_SIZE] __attribute__((aligned(16)));
/* It is not unlikely that l_ol becomes big enough to overflow the stack
* If you observe this behavior then move it to the heap
* Then you would better do a persistent allocation to limit the overhead
*/
uint8_t l_ol[num_blocks * LDPC_MAX_CB_SIZE] __attribute__((aligned(16)));
uint8_t l_ol[num_segments * LDPC_MAX_CB_SIZE] __attribute__((aligned(16)));
// hardcoded we use first device
struct active_device *ad = active_devs;
@@ -1082,7 +1080,7 @@ int32_t nrLDPC_coding_decoder(nrLDPC_slot_decoding_parameters_t *nrLDPC_slot_dec
}
for (enum op_data_type type = DATA_INPUT; type < 3; type += 2) {
ret = allocate_buffers_on_socket(queue_ops[type], num_blocks * sizeof(struct rte_bbdev_op_data), socket_id);
ret = allocate_buffers_on_socket(queue_ops[type], num_segments * sizeof(struct rte_bbdev_op_data), socket_id);
AssertFatal(ret == 0, "Couldn't allocate memory for rte_bbdev_op_data structs");
ret = init_op_data_objs_dec(*queue_ops[type],
l_ol,
@@ -1107,6 +1105,9 @@ int32_t nrLDPC_coding_encoder(nrLDPC_slot_encoding_parameters_t *nrLDPC_slot_enc
pthread_mutex_lock(&encode_mutex);
if (nrLDPC_slot_encoding_parameters->tprep != NULL)
start_meas(nrLDPC_slot_encoding_parameters->tprep);
const uint16_t num_segments = nb_segments_encoding(nrLDPC_slot_encoding_parameters);
// hardcoded to use the first found board
struct active_device *ad = active_devs;
int ret;
@@ -1126,12 +1127,8 @@ int32_t nrLDPC_coding_encoder(nrLDPC_slot_encoding_parameters_t *nrLDPC_slot_enc
&op_params->q_bufs[socket_id][queue_id].hard_outputs,
&op_params->q_bufs[socket_id][queue_id].harq_inputs,
&op_params->q_bufs[socket_id][queue_id].harq_outputs};
uint16_t num_blocks = 0;
for(uint16_t h = 0; h < nrLDPC_slot_encoding_parameters->nb_TBs; ++h){
num_blocks += nrLDPC_slot_encoding_parameters->TBs[h].C;
}
for (enum op_data_type type = DATA_INPUT; type < 3; type += 2) {
ret = allocate_buffers_on_socket(queue_ops[type], num_blocks * sizeof(struct rte_bbdev_op_data), socket_id);
ret = allocate_buffers_on_socket(queue_ops[type], num_segments * sizeof(struct rte_bbdev_op_data), socket_id);
AssertFatal(ret == 0, "Couldn't allocate memory for rte_bbdev_op_data structs");
ret = init_op_data_objs_enc(*queue_ops[type],
nrLDPC_slot_encoding_parameters,