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feat(LDPCImplementation.md): Remove ldpc_cl logs

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Recommended: Remove logs of a library that is not working as far as we
know.

Pop this commit if this seems not necessary.
This commit is contained in:
Romain Beurdouche
2025-08-08 14:48:41 +00:00
parent cb5de9afbb
commit eb3bd33fd4
1 changed files with 0 additions and 88 deletions
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openair1/PHY/CODING/DOC/LDPCImplementation.md
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@@ -133,74 +133,10 @@ At runtime, to successfully use hardware acceleration via OpenCL, you need to in
./nr-softmodem -O libconfig:gnb.band78.sa.fr1.106PRB.usrpb210.conf:dbgl5 --rfsim --rfsimulator.serveraddr server --log_config.gtpu_log_level info --loader.ldpc.shlibversion _cl
```
```
------------------------------------------------
[HW] Platform 0, OpenCL profile FULL_PROFILE
[HW] Platform 0, OpenCL version OpenCL 2.1 LINUX
[HW] Device 0 is available
[HW] Device 0, type 2 = 0x00000002: cpu
[HW] Device 0, number of Compute Units: 8
[HW] Device 0, max Work Items dimension: 3
[HW] Device 0, max Work Items size for dimension: 0 8192
[HW] Device 0, max Work Items size for dimension: 1 8192
[HW] Device 0, max Work Items size for dimension: 2 8192
[New Thread 0x7fffcc258700 (LWP 3945123)]
[New Thread 0x7fffc3e57700 (LWP 3945124)]
[New Thread 0x7fffcbe57700 (LWP 3945125)]
[New Thread 0x7fffcba56700 (LWP 3945126)]
[New Thread 0x7fffcb254700 (LWP 3945128)]
[New Thread 0x7fffcb655700 (LWP 3945127)]
[New Thread 0x7fffcae53700 (LWP 3945129)]
[HW] Platform 1, OpenCL profile FULL_PROFILE
[HW] Platform 1, OpenCL version OpenCL 2.0 beignet 1.3
[New Thread 0x7fffc965a700 (LWP 3945130)]
[Thread 0x7fffc965a700 (LWP 3945130) exited]
[HW] Device 0 is available
[HW] Device 0, type 4 = 0x00000004: gpu
[HW] Device 0, number of Compute Units: 20
[HW] Device 0, max Work Items dimension: 3
[HW] Device 0, max Work Items size for dimension: 0 512
[HW] Device 0, max Work Items size for dimension: 1 512
[HW] Device 0, max Work Items size for dimension: 2 512
-----------------------------------------------------------------
```
```
./nr-uesoftmodem -r 106 --numerology 1 --band 78 -C 3619200000 --rfsim -O libconfig:/usr/local/oai/conf/nrue_sim.conf:dbgl5 --loader.ldpc.shlibversion _cl --log_config.hw_log_level inf
```
```
............................................................
[HW] Platform 0, OpenCL profile FULL_PROFILE
[HW] Platform 0, OpenCL version OpenCL 2.1 LINUX
[HW] Device 0 is available
[HW] Device 0, type 2 = 0x00000002: cpu
[HW] Device 0, number of Compute Units: 8
[HW] Device 0, max Work Items dimension: 3
[HW] Device 0, max Work Items size for dimension: 0 8192
[HW] Device 0, max Work Items size for dimension: 1 8192
[HW] Device 0, max Work Items size for dimension: 2 8192
[New Thread 0x7fffecccc700 (LWP 3945413)]
[New Thread 0x7fffec8cb700 (LWP 3945415)]
[New Thread 0x7fffec4ca700 (LWP 3945414)]
[New Thread 0x7fffdf7fd700 (LWP 3945417)]
[New Thread 0x7fffdfbfe700 (LWP 3945418)]
[New Thread 0x7fffdffff700 (LWP 3945416)]
[New Thread 0x7fffd73fc700 (LWP 3945419)]
[HW] Platform 1, OpenCL profile FULL_PROFILE
[HW] Platform 1, OpenCL version OpenCL 2.0 beignet 1.3
[New Thread 0x7fffde105700 (LWP 3945420)]
[Thread 0x7fffde105700 (LWP 3945420) exited]
[HW] Device 0 is available
[HW] Device 0, type 4 = 0x00000004: gpu
[HW] Device 0, number of Compute Units: 20
[HW] Device 0, max Work Items dimension: 3
[HW] Device 0, max Work Items size for dimension: 0 512
[HW] Device 0, max Work Items size for dimension: 1 512
[HW] Device 0, max Work Items size for dimension: 2 512
------------------------------------------------------------
```
A mechanism to select ldpc implementation is also available in the `ldpctest` phy simulator via the `-v` option, which can be used to specify the version of the ldpc shared library to be used.
#### Examples of ldpc shared lib selection when running ldpctest:
@@ -211,38 +147,14 @@ Loading libldpc_cuda.so, the cuda implementation of the ldpc decoder:
$ ./ldpctest -v _cuda
```
Loading libldpc_cl.so, the opencl implementation of the ldpc decoder:
`make ldpc_cl`
```
$ ./ldpctest -v _cl
................................
[HW] Platform 0, OpenCL profile FULL_PROFILE
[HW] Platform 0, OpenCL version OpenCL 2.1 LINUX
[HW] Device 0 is available
[HW] Device 0, type 2 = 0x00000002: cpu
[HW] Device 0, number of Compute Units: 8
[HW] Device 0, max Work Items dimension: 3
[HW] Device 0, max Work Items size for dimension: 0 8192
[HW] Device 0, max Work Items size for dimension: 1 8192
[HW] Device 0, max Work Items size for dimension: 2 8192
[HW] Platform 1, OpenCL profile FULL_PROFILE
[HW] Platform 1, OpenCL version OpenCL 2.0 beignet 1.3
[HW] Device 0 is available
[HW] Device 0, type 4 = 0x00000004: gpu
[HW] Device 0, number of Compute Units: 20
[HW] Device 0, max Work Items dimension: 3
[HW] Device 0, max Work Items size for dimension: 0 512
[HW] Device 0, max Work Items size for dimension: 1 512
[HW] Device 0, max Work Items size for dimension: 2 512
................................
```
### LDPC libraries
The prototypes for the functions of the interface are defined in [nrLDPC_defs.h](file://nrLDPC_defs.h) as typedefs.
Libraries implementing the LDPC algorithms must be named `libldpc<_version>.so`, they must implement four functions with the names and types: