Add LAMMPS tests to EESSI test-suite

eessi/testsuite/tests/apps/lammps/README.md

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+## Rhodo test
+
+The test requires a data file which was sourced from, https://github.com/lammps/lammps/blob/stable_2Aug2023_update2/bench/data.rhodo.
+
+Checksum: 9b14e259b99b8a28ebbfd86715524c415f82cd5912c164c3827991ac32f23863

eessi/testsuite/tests/apps/lammps/lammps.py

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+"""
+This module tests the binary 'lmp' in available modules containing substring 'LAMMPS'.
+The tests come from the lammps github repository (https://github.com/lammps/lammps/)
+"""
+
+import reframe as rfm
+import reframe.utility.sanity as sn
+
+from eessi.testsuite import hooks, utils
+from eessi.testsuite.constants import *  # noqa
+
+
+class EESSI_LAMMPS_base(rfm.RunOnlyRegressionTest):
+    scale = parameter(SCALES.keys())
+    valid_prog_environs = ['default']
+    valid_systems = ['*']
+    time_limit = '30m'
+    device_type = parameter([DEVICE_TYPES[CPU], DEVICE_TYPES[GPU]])
+
+    # Parameterize over all modules that start with LAMMPS
+    module_name = parameter(utils.find_modules('LAMMPS'))
+
+    # Set sanity step
+    @deferrable
+    def assert_lammps_openmp_treads(self):
+        '''Assert that OpenMP thread(s) per MPI task is set'''
+        n_threads = sn.extractsingle(
+            r'^  using (?P<threads>[0-9]+) OpenMP thread\(s\) per MPI task', self.stdout, 'threads', int)
+        utils.log(f'OpenMP thread(s) is {n_threads}')
+
+        return sn.assert_eq(n_threads, self.num_cpus_per_task)
+
+    @deferrable
+    def assert_lammps_processor_grid(self):
+        '''Assert that the processor grid is set correctly'''
+        grid = list(sn.extractall(
+            '^  (?P<x>[0-9]+) by (?P<y>[0-9]+) by (?P<z>[0-9]+) MPI processor grid', self.stdout, tag=['x', 'y', 'z']))
+        n_cpus = int(grid[0][0]) * int(grid[0][1]) * int(grid[0][2])
+
+        return sn.assert_eq(n_cpus, self.num_tasks)
+
+    @deferrable
+    def assert_run(self):
+        '''Assert that the test calulated the right number of neighbours'''
+        regex = r'^Loop time of (?P<perf>[.0-9]+) on [0-9]+ procs for 100 steps with (?P<atoms>\S+) atoms'
+        n_atoms = sn.extractsingle(regex, self.stdout, 'atoms', int)
+
+        return sn.assert_eq(n_atoms, 32000)
+
+    @performance_function('img/s')
+    def perf(self):
+        regex = r'^(?P<perf>[.0-9]+)% CPU use with [0-9]+ MPI tasks x [0-9]+ OpenMP threads'
+        return sn.extractsingle(regex, self.stdout, 'perf', float)
+
+    @run_after('init')
+    def run_after_init(self):
+        """hooks to run after init phase"""
+
+        # Filter on which scales are supported by the partitions defined in the ReFrame configuration
+        hooks.filter_supported_scales(self)
+
+        hooks.filter_valid_systems_by_device_type(self, required_device_type=self.device_type)
+
+        hooks.set_modules(self)
+
+        # Set scales as tags
+        hooks.set_tag_scale(self)
+
+    @run_after('setup')
+    def run_after_setup(self):
+        """hooks to run after the setup phase"""
+        if self.device_type == 'cpu':
+            hooks.assign_tasks_per_compute_unit(test=self, compute_unit=COMPUTE_UNIT['CPU'])
+        elif self.device_type == 'gpu':
+            hooks.assign_tasks_per_compute_unit(test=self, compute_unit=COMPUTE_UNIT['GPU'])
+        else:
+            raise NotImplementedError(f'Failed to set number of tasks and cpus per task for device {self.device_type}')
+
+        # Set OMP_NUM_THREADS environment variable
+        hooks.set_omp_num_threads(self)
+
+
+@rfm.simple_test
+class EESSI_LAMMPS_lj(EESSI_LAMMPS_base):
+    tags = {TAGS['CI']}
+
+    sourcesdir = 'src/lj'
+    executable = 'lmp -in in.lj'
+
+    @deferrable
+    def check_number_neighbors(self):
+        '''Assert that the test calulated the right number of neighbours'''
+        regex = r'^Total # of neighbors = (?P<neigh>\S+)'
+        n_neigh = sn.extractsingle(regex, self.stdout, 'neigh', int)
+
+        return sn.assert_eq(n_neigh, 1202833)
+
+    @sanity_function
+    def assert_sanity(self):
+        '''Check all sanity criteria'''
+        return sn.all([
+            self.assert_lammps_openmp_treads(),
+            self.assert_lammps_processor_grid(),
+            self.assert_run(),
+            self.check_number_neighbors(),
+        ])
+
+    @run_after('setup')
+    def set_executable_opts(self):
+        """Set executable opts based on device_type parameter"""
+        num_default = 0  # If this test already has executable opts, they must have come from the command line
+        hooks.check_custom_executable_opts(self, num_default=num_default)
+        if not self.has_custom_executable_opts:
+            # should also check if the lammps is installed with kokkos.
+            # Because this exutable opt is only for that case.
+            if self.device_type == "gpu":
+                self.executable_opts += [
+                    f'-kokkos on t {self.num_cpus_per_task} g {self.num_gpus_per_node}',
+                    '-suffix kk',
+                    '-package kokkos newton on neigh half',
+                ]
+                utils.log(f'executable_opts set to {self.executable_opts}')
+
+
+@rfm.simple_test
+class EESSI_LAMMPS_rhodo(EESSI_LAMMPS_base):
+    sourcesdir = 'src/rhodo'
+    readonly_files = ["data.rhodo"]
+    executable = 'lmp -in in.rhodo'
+
+    @deferrable
+    def check_number_neighbors(self):
+        '''Assert that the test calulated the right number of neighbours'''
+        regex = r'^Total # of neighbors = (?P<neigh>\S+)'
+        n_neigh = sn.extractsingle(regex, self.stdout, 'neigh', int)
+
+        return sn.assert_eq(n_neigh, 12028093)
+
+    @sanity_function
+    def assert_sanity(self):
+        '''Check all sanity criteria'''
+        return sn.all([
+            self.assert_lammps_openmp_treads(),
+            self.assert_lammps_processor_grid(),
+            self.assert_run(),
+            self.check_number_neighbors(),
+        ])
+
+    @run_after('setup')
+    def set_executable_opts(self):
+        """Set executable opts based on device_type parameter"""
+        num_default = 0  # If this test already has executable opts, they must have come from the command line
+        hooks.check_custom_executable_opts(self, num_default=num_default)
+        if not self.has_custom_executable_opts:
+            # should also check if the lammps is installed with kokkos.
+            # Because this exutable opt is only for that case.
+            if self.device_type == "gpu":
+                self.executable_opts += [
+                    f'-kokkos on t {self.num_cpus_per_task} g {self.num_gpus_per_node}',
+                    '-suffix kk',
+                    '-package kokkos newton on neigh half',
+                ]
+                utils.log(f'executable_opts set to {self.executable_opts}')

eessi/testsuite/tests/apps/lammps/src/lj/in.lj

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+# 3d Lennard-Jones melt
+
+variable        x index 1
+variable        y index 1
+variable        z index 1
+
+variable        xx equal 20*$x
+variable        yy equal 20*$y
+variable        zz equal 20*$z
+
+units           lj
+atom_style      atomic
+
+lattice         fcc 0.8442
+region          box block 0 ${xx} 0 ${yy} 0 ${zz}
+create_box      1 box
+create_atoms    1 box
+mass            1 1.0
+
+velocity        all create 1.44 87287 loop geom
+
+pair_style      lj/cut 2.5
+pair_coeff      1 1 1.0 1.0 2.5
+
+neighbor        0.3 bin
+neigh_modify    delay 0 every 20 check no
+
+fix             1 all nve
+
+run             100