From 6647af41168621bebb2c59c47bbf5c030b29e62f Mon Sep 17 00:00:00 2001 From: Romain Beurdouche Date: Tue, 2 Sep 2025 15:40:33 +0000 Subject: [PATCH] fix(ldpc_aal): Update documentation Update the documentation to reflect that the DPDK core list is not anymore necessary when using FHI 7.2. --- doc/LDPC_OFFLOAD_SETUP.md | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/doc/LDPC_OFFLOAD_SETUP.md b/doc/LDPC_OFFLOAD_SETUP.md index cabac2cf39..c792d916e7 100644 --- a/doc/LDPC_OFFLOAD_SETUP.md +++ b/doc/LDPC_OFFLOAD_SETUP.md @@ -284,6 +284,10 @@ sudo ./nr_dlsim -n300 -s30 -R 106 -e 27 --loader.ldpc.shlibversion _aal --nrLDPC ### Running OAI gNB with USRP B210/FHI72 +When running the gNB **with FHI 7.2**, it is not necessary to provide the `--nrLDPC_coding_aal.dpdk_core_list` argument +since the core list specified for FHI 7.2 will be used for DPDK. +If it is provided, the AAL core list wil be ignored. + Example command: ```bash cd ~/openairinterface5g @@ -294,12 +298,6 @@ sudo ./nr-softmodem -O ~/gnb.conf --loader.ldpc.shlibversion _aal --nrLDPC_codin # Known Issue(s) -## BBDEV CPU Usage - -When running the E2E setup (this applies to both USRP and FHI72), BBDEV may not be using the list of CPU cores as specified by `nrLDPC_coding_aal.dpdk_core_list` accordingly. -This is an issue under investigation, and subject for future fixes. -In the meantime, we recommend allocating idle, and isolated CPU cores in the configuration for BBDEV. - ## Potential Low Throughput The current implementation has been tested to work in an end-to-end setup and is functional.