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remove SLES12 from readme #797

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remove SLES12 from readme #797

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17 changes: 7 additions & 10 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -18,12 +18,11 @@ module use -a (path)
module load GEOSenv
```

where `(path)` depends on the computing system; at NCCS, `(path)` also depends on the operating system (SLES12 on Skylake and Cascade Lake nodes; SLES15 on Milan nodes, as of Jan. 2024):
where `(path)` depends on the computing system:

| System | Path |
| ------------- |---------------------------------------------------|
| NCCS Discover | `/discover/swdev/gmao_SIteam/modulefiles-SLES12` |
| | `/discover/swdev/gmao_SIteam/modulefiles-SLES15` |
| NCCS Discover | `/discover/swdev/gmao_SIteam/modulefiles-SLES15` |
| NAS | `/nobackup/gmao_SIteam/modulefiles` |
| GMAO desktops | `/ford1/share/gmao_SIteam/modulefiles` |

Expand All @@ -46,15 +45,13 @@ git clone -b v17.9.1 --single-branch git@github.com:GEOS-ESM/GEOSldas.git
To build the model in a single step, do the following from a head node:
```
cd ./GEOSldas
parallel_build.csh
./parallel_build.csh -mil
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@gmao-rreichle gmao-rreichle Mar 11, 2025

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I guess initially we will keep using -mil, but looking ahead, do we really need to have the -mil flag for parallel_build.csh if there's only SLES15?

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@weiyuan-jiang weiyuan-jiang Mar 11, 2025

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we will see how build.csh handle the default. @mathomp4

```
This checks out all the external repositories of the model (albeit only on the first run, [see subsection on mepo below](#mepo)!) and then builds and installs the model.

At **NCCS**, the default is to build GEOSldas on SLES12 (Skylake or Cascade Lake nodes); to build GEOSldas on SLES15 (Milan nodes), use `parallel_build.csh -mil`.
The resulting model build is found in `build-SLES15/`, and the installation is found in `install-SLES15/`, with setup scripts like `ldas_setup` in `install-SLES15/bin`.
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@gmao-rreichle gmao-rreichle Mar 11, 2025

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I'm a bit confused by the build and install directory names, which may be outdated. When I look at the build of the LDAS nightly tests, there's not "-SLES15" in the directory names:

discover36:~ ll /discover/nobackup/mathomp4/SystemTests/builds/LDAS_CONUS/CURRENT/GEOSldas/ |grep build
drwxr-xr-x 13 mathomp4 g0620    4096 Mar 10 23:07 build-Aggressive/
drwxr-xr-x 13 mathomp4 g0620    4096 Mar 10 22:40 build-Debug/
drwxr-xr-x 13 mathomp4 g0620    4096 Mar 10 20:23 build-Release/


The resulting model build is found in `build[-SLESxx]/`, and the installation is found in `install[-SLESxx]/`, with setup scripts like `ldas_setup` in `install[-SLESxx]/bin`.

To obtain a build that is suitable for debugging, use `parallel_build.csh -debug`, which builds in `build-Debug[-SLESxx]/` and installs in `install-Debug[-SLESxx]/`. There is also an option for aggressive optimization. For details, see the [GEOSldas Wiki](https://github.com/GEOS-ESM/GEOSldas/wiki).
To obtain a build that is suitable for debugging, use `./parallel_build.csh -debug -mil`, which builds in `build-Debug-SLES15/` and installs in `install-Debug-SLES15/`. There is also an option for aggressive optimization. For details, see the [GEOSldas Wiki](https://github.com/GEOS-ESM/GEOSldas/wiki).
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@gmao-rreichle gmao-rreichle Mar 11, 2025

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see comments above re. the -mil flag and the -SLES15 string in the dir names


Instructions for building the model in multiple steps are provided below.

Expand All @@ -63,12 +60,12 @@ Instructions for building the model in multiple steps are provided below.
## How to Set Up (Configure) and Run GEOSldas


a) At **NCCS**, GEOSldas must be built, configured, and run on the same operating system. To run GEOSldas on Milan nodes (SLES15), start with `ssh discover-mil`.
a) To run GEOSldas on Milan nodes (SLES15), start with `ssh discover-mil`.
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@gmao-rreichle gmao-rreichle Mar 11, 2025

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Do we need the -mil flag? Presumably, when Discover comes back on Thursday, ssh discover should be fine


b) Set up the job as follows:

```
cd (build_path)/GEOSldas/install[-SLESxx]/bin
cd (build_path)/GEOSldas/install-SLES15/bin
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@gmao-rreichle gmao-rreichle Mar 11, 2025

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see comment above re. -SLES15

source g5_modules [for bash or zsh: source g5_modules.[z]sh]
./ldas_setup setup [-v] (exp_path) ("exe"_input_filename) ("bat"_input_filename)
```
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