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util.py
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util.py
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import os
import argparse
import fluidsim
from fluidsim.base.params import Parameters
from fluidsim.util import available_solver_keys
import numpy as np
if os.getenv("SNIC_RESOURCE") is not None:
# from fluiddyn.clusters.snic import ClusterSNIC as Cluster
from fluiddyn.clusters.snic import Beskow36 as Cluster
cluster_type = "snic"
else:
from fluiddyn.clusters.local import ClusterLocal as Cluster
cluster_type = "local"
def create_common_params(n0, n1=None, n2=None):
params = Parameters("submit")
params._set_attrib("weak", False)
params._set_attrib("dry_run", False)
params._set_attrib("mode", "")
params._set_attrib("dim", 3)
params._set_attrib("shape", "")
params._set_attrib("output_dir", "")
if n1 is None:
n1 = n0
params._set_child(
"two_d",
dict(
shape=f"{n0} {n1}",
time="00:20:00",
solver="ns2d",
fft_seq=["fft2d.with_fftw1d", "fft2d.with_fftw2d"],
fft=["fft2d.mpi_with_fftw1d", "fft2d.mpi_with_fftwmpi2d"],
nb_cores=np.array([2, 4, 8, 16, 32]),
nodes=[],
),
)
if n2 is None:
n2 = n0
params._set_child(
"three_d",
dict(
shape=f"{n0} {n1} {n2}",
time="00:30:00",
solver="ns3d",
fft_seq=["fft3d.with_fftw3d"],
fft=[
"fft3d.mpi_with_fftw1d",
"fft3d.mpi_with_fftwmpi3d",
"fft3d.mpi_with_p3dfft",
"fft3d.mpi_with_pfft",
],
nb_cores=np.array([2, 4, 8, 16, 32]),
nodes=[],
),
)
return params
def get_parser(prog="", description="", epilog=""):
parser = argparse.ArgumentParser(
prog=prog,
description=description,
formatter_class=argparse.RawDescriptionHelpFormatter,
epilog=epilog,
)
parser.add_argument("n0", nargs="?", type=int, default=None)
parser.add_argument("n1", nargs="?", type=int, default=None)
parser.add_argument("n2", nargs="?", type=int, default=None)
parser.add_argument(
"-s",
"--solver",
type=str,
default=None,
help="Any of the following solver keys: {}".format(
available_solver_keys()
),
)
parser.add_argument(
"-d",
"--dim",
type=int,
default=3,
help="dimension of the solver (default: 3)",
)
parser.add_argument(
"-n",
"--dry-run",
action="store_true",
help="simply print the commands which will be run",
)
parser.add_argument(
"-m",
"--mode",
default="seq-intra-inter",
help='could be "seq", "intra", "inter" or a combination of these',
)
parser.add_argument(
"-nc",
"--min-cores",
type=int,
default=1,
help="min. no. of processes to use (default: 1)",
)
parser.add_argument(
"-nn",
"--min-nodes",
type=int,
default=2,
help="max. no. of nodes to use for intra-node runs (default: 2)",
)
parser.add_argument(
"-xn",
"--max-nodes",
type=int,
default=2,
help="max. no. of nodes to use for intra-node runs (default: 2)",
)
return parser
def parser_to_params(parser):
args = parser.parse_args()
if args.dim == 3:
params = create_common_params(args.n0, args.n1, args.n2)
params_dim = params.three_d
else:
params = create_common_params(args.n0, args.n1)
params_dim = params.two_d
if args.solver is not None:
params_dim.solver = args.solver
if args.min_cores > 1:
log_min = np.log2(args.min_cores)
params_dim.nb_cores = np.logspace(
log_min, 10, int(10 - log_min) + 1, base=2, dtype=int
)
if args.max_nodes > 1:
log_min = np.log2(args.min_nodes)
log_max = np.log2(args.max_nodes)
params_dim.nodes = np.logspace(
log_min, log_max, int(log_max - log_min) + 1, base=2, dtype=int
)
params.dim = args.dim
params.dry_run = args.dry_run
params.mode = args.mode
params.shape = params_dim.shape.replace(" ", "x")
return params, params_dim
def init_cluster(params, Cluster, prefix="snic", subdir="benchmarks"):
cluster = Cluster()
if cluster.name_cluster == "beskow":
cluster.default_project = "2017-12-20"
cluster.nb_cores_per_node = 32
else:
cluster.default_project = "SNIC2017-12-20"
output_dir = params.output_dir = os.path.abspath(
"./../../fluidsim-bench-results/{}/{}_{}".format(
subdir, cluster.name_cluster, params.shape
)
)
if not os.path.exists(output_dir):
os.makedirs(output_dir)
print("Output directory: ", output_dir)
cluster.commands_unsetting_env.insert(0, "fluidinfo -o " + output_dir)
return cluster
def submit(
params,
params_dim,
cluster,
nb_nodes,
nb_cores_per_node=None,
fft="all",
cmd="bench",
):
if nb_cores_per_node is None:
nb_cores_per_node = cluster.nb_cores_per_node
nb_mpi = nb_cores_per_node * nb_nodes
nb_iterations = 20
cmd = "fluidsim {} -s {} {} -t {} -it {} -o {}".format(
cmd,
params_dim.solver,
params_dim.shape,
fft,
nb_iterations,
params.output_dir,
)
if params.dry_run:
print("np =", nb_mpi, end=" ")
print(cmd)
else:
cluster.submit_command(
cmd,
name_run=f"{params_dim.solver}_{nb_mpi}",
nb_nodes=nb_nodes,
nb_cores_per_node=nb_cores_per_node,
walltime=params_dim.time,
nb_mpi_processes=nb_mpi,
omp_num_threads=1,
ask=False,
bash=False,
interactive=True,
retain_script=True,
)