polaris.tasks.e3sm.init.component_inputs.seaice_mesh.SeaiceMeshStep

class polaris.tasks.e3sm.init.component_inputs.seaice_mesh.SeaiceMeshStep(component, subdir, cull_mesh_step, name='seaice_mesh')[source]

A step for staging the MPAS-Seaice mesh file.

The source is the cull step’s culled_ocean_mesh.nc, which is exactly the horizontal MPAS mesh and nothing else. Compass took the same fields out of an ocean initial state and had to name each one to avoid dragging the ocean’s variables along; reading the culled mesh directly means there is nothing to exclude.

Sea ice and the ocean share a mesh, so this reads the same file the ocean is built on – but it reads the mesh, not anything the ocean computed from it. That distinction is the point of SeaiceInitialConditionStep.

Variables:

cull_mesh_step (polaris.tasks.e3sm.init.topo.cull.CullMeshStep) – The step that culled the ocean mesh.

__init__(component, subdir, cull_mesh_step, name='seaice_mesh')[source]

Create a new step.

Parameters:

Methods

__init__(component, subdir, cull_mesh_step)

Create a new step.

add_cf_check([filename])

Check an output file for CF compliance after the step runs.

add_dependency(step[, name])

Add step as a dependency of this step (i.e. this step can't run until the dependency has finished).

add_input_file([filename, target, database, ...])

Add an input file to the step (but not necessarily to the MPAS model).

add_output_file(filename[, validate_vars, ...])

Add the output file to the step

add_property_check(filename, check_properties)

Add a single conservation comparison for an output file

check_cf()

Check the files added with add_cf_check() for CF compliance.

check_properties()

Check conservation properties of the output files of this step.

constrain_resources(available_resources)

Constrain cpus_per_task and ntasks based on the number of cores available to this step

process_inputs_and_outputs()

Process the inputs to and outputs from a step added with polaris.Step.add_input_file() and polaris.Step.add_output_file().

run()

Stage the culled mesh as the sea-ice mesh.

runtime_setup()

Update attributes of the step at runtime before calling the run() method.

set_resources([cpus_per_task, ...])

Update the resources for the subtask.

set_shared_config(config[, link])

Replace the step's config parser with the shared config parser

setup()

Set up the task in the work directory, including downloading any dependencies.

validate_baselines()

Compare variables between output files in this step and in the same step from a baseline run if one was provided.

work_path(*filenames)

Get the absolute path to a file or directory in the step's work directory

Attributes

cores

the number of cores this step needs, in total

gpus

the number of GPUs this step needs, in total

may_span_nodes

whether this step's cores and GPUs may come from several nodes

min_cores

the number of cores this step needs in order to run at all

min_gpus

the number of GPUs this step requires, in total