Some of the unit tests use a ton of memory, so add a pool multiplier option

Author: jgfouca

components/eamxx/cime_config/namelist_defaults_scream.xml

@@ -531,6 +531,7 @@ be lost if SCREAM_HACK_XML is not enabled.
       <do_subcol_sampling type="logical" doc="Flag to turn on/off subcolumn sampling of optical properties; if false treat cells as either completely clear or cloudy">
           true
       </do_subcol_sampling>
+      <pool_size_multiplier type="real">1.0</pool_size_multiplier>
     </rrtmgp>
 
     <mac_aero_mic inherit="atm_proc_group">

components/eamxx/src/physics/rrtmgp/eamxx_rrtmgp_process_interface.cpp

@@ -636,6 +636,8 @@ void RRTMGPRadiation::initialize_impl(const RunType /* run_type */) {
   m_n2vmr      = m_params.get<double>("n2vmr", 0.7906);
   m_covmr      = m_params.get<double>("covmr", 1.0e-7);
 
+  const double multiplier = m_params.get<double>("pool_size_multiplier", 1.0);
+
   // Whether or not to do MCICA subcolumn sampling
   m_do_subcol_sampling = m_params.get<bool>("do_subcol_sampling",true);
 
@@ -676,7 +678,8 @@ void RRTMGPRadiation::initialize_impl(const RunType /* run_type */) {
           m_gas_concs_k,
           coefficients_file_sw, coefficients_file_lw,
           cloud_optics_file_sw, cloud_optics_file_lw,
-          m_atm_logger
+          m_atm_logger,
+          multiplier
   );
   VALIDATE_KOKKOS(m_gas_concs, m_gas_concs_k);
   VALIDATE_KOKKOS(rrtmgp::k_dist_sw, interface_t::k_dist_sw_k);

components/eamxx/src/physics/rrtmgp/scream_rrtmgp_interface.hpp

@@ -214,13 +214,14 @@ static inline cloud_optics_t cloud_optics_lw_k;
 static inline bool initialized_k = false;
 
 /*
- * Initialize data for RRTMGP driver
+ * Initialize data for RRTMGP driver. Increase multiplier to allocate more pool space.
  */
 static void rrtmgp_initialize(
   const gas_concs_t &gas_concs,
   const std::string& coefficients_file_sw, const std::string& coefficients_file_lw,
   const std::string& cloud_optics_file_sw, const std::string& cloud_optics_file_lw,
-  const std::shared_ptr<spdlog::logger>& logger)
+  const std::shared_ptr<spdlog::logger>& logger,
+  const double multiplier = 1.0)
 {
   // If we've already initialized, just exit
   if (initialized_k) {
@@ -246,7 +247,7 @@ static void rrtmgp_initialize(
   const size_t nlay = gas_concs.nlay;
   const size_t nlev = SCREAM_NUM_VERTICAL_LEV;
   const size_t my_size_ref = ncol * nlay * nlev;
-  pool_t::init(2e6 * (float(my_size_ref) / base_ref));
+  pool_t::init(2e6 * (float(my_size_ref) / base_ref) * multiplier);
 
   // We are now initialized!
   initialized_k = true;

components/eamxx/src/physics/rrtmgp/tests/rrtmgp_tests.cpp

@@ -401,7 +401,7 @@ int run_kokkos(int argc, char** argv) {
 
     // Initialize absorption coefficients
   logger->info("Initialize RRTMGP...\n");
-  interface_t::rrtmgp_initialize(gas_concs, coefficients_file_sw, coefficients_file_lw, cloud_optics_file_sw, cloud_optics_file_lw, logger);
+  interface_t::rrtmgp_initialize(gas_concs, coefficients_file_sw, coefficients_file_lw, cloud_optics_file_sw, cloud_optics_file_lw, logger, 2.0);
 
   // Setup our dummy atmosphere based on the input data we read in
   logger->info("Setup dummy atmos...\n");

components/eamxx/tests/single-process/rrtmgp/CMakeLists.txt

@@ -18,7 +18,7 @@ if (SCREAM_ENABLE_BASELINE_TESTS AND NOT SCREAM_ONLY_GENERATE_BASELINES)
   CreateUnitTest(${TEST_BASE_NAME}_unit rrtmgp_standalone_unit.cpp
     LABELS rrtmgp physics driver
     LIBS scream_rrtmgp rrtmgp scream_control ${YAKL_LIB_NAME} diagnostics rrtmgp_test_utils
-    EXE_ARGS "--args --inputfile ${SCREAM_DATA_DIR}/init/rrtmgp-allsky.nc --baseline ${SCREAM_BASELINES_DIR}/data/rrtmgp-allsky-baseline.nc"
+    EXE_ARGS "--args --rrtmgp_inputfile ${SCREAM_DATA_DIR}/init/rrtmgp-allsky.nc --rrtmgp_baseline ${SCREAM_BASELINES_DIR}/data/rrtmgp-allsky-baseline.nc"
   )
 endif()
 

components/eamxx/tests/single-process/rrtmgp/input_unit.yaml

@@ -21,6 +21,7 @@ atmosphere_processes:
     rrtmgp_coefficients_file_lw: ${SCREAM_DATA_DIR}/init/rrtmgp-data-lw-g256-2018-12-04.nc
     rrtmgp_cloud_optics_file_sw: ${SCREAM_DATA_DIR}/init/rrtmgp-cloud-optics-coeffs-sw.nc
     rrtmgp_cloud_optics_file_lw: ${SCREAM_DATA_DIR}/init/rrtmgp-cloud-optics-coeffs-lw.nc
+    pool_size_multiplier: 2.0
 
 grids_manager:
   Type: Mesh Free