bscpkgs/garlic/exp/fwi/common.nix
2021-04-12 20:09:17 +02:00

128 lines
3.2 KiB
Nix

{
stdenv
, stdexp
, bsc
, stages
}:
with stdenv.lib;
# Common definitions used by fwi experiments
rec {
branchesWithoutBlocksize = [
"garlic/mpi+send+omp+fork"
"garlic/mpi+send+seq"
];
# Returns true if the given config is in the forkJoinBranches list
needsBlocksize = c: ! any (e: c.gitBranch == e) branchesWithoutBlocksize;
# Set the blocksize to null for the fork join branch
fixBlocksize = c: if (needsBlocksize c) then c
else (c // { blocksize = null; });
# Generate the configs by filtering the unneded blocksizes
getConfigs = {varConf, genConf}:
let
allConfigs = stdexp.buildConfigs { inherit varConf genConf; };
in
# The unique function ensures that we only run one config for the fork
# join branch, even if we have multiple blocksizes.
unique (map fixBlocksize allConfigs);
getResources = {gitBranch, hw}:
if (gitBranch == "garlic/mpi+send+seq") then {
cpusPerTask = 1;
ntasksPerNode = hw.cpusPerNode;
} else {
cpusPerTask = hw.cpusPerSocket;
ntasksPerNode = hw.socketsPerNode;
};
exec = {nextStage, conf, ...}:
let
fwiParams = bsc.apps.fwi.params.override {
inherit (conf) nx ny nz;
};
ioFreq = if (conf.enableIO) then (conf.ioFreq or "-1") else "9999";
in stages.exec {
inherit nextStage;
# FIXME: FWI should allow the I/O directory to be specified as a
# parameter
pre = ''
FWI_SRUNDIR=$(pwd)
FWI_EXECDIR="${conf.tempDir}/out/$GARLIC_USER/$GARLIC_UNIT/$GARLIC_RUN"
FWI_PARAMS="${fwiParams}/fwi_params.txt"
FWI_FREQ="${fwiParams}/fwi_frequencies.txt"
# Run fwi in a directory with fast local storage
mkdir -p "$FWI_EXECDIR"
cd "$FWI_EXECDIR"
# Only generate the input if we have the CPU 0 (once per node)
if grep -o 'Cpus_allowed_list:[[:space:]]0' \
/proc/self/status > /dev/null;
then
FWI_CAPTAIN=1
fi
if [ $FWI_CAPTAIN ]; then
>&2 echo "generating the input dataset"
${fwiParams}/bin/ModelGenerator -m "$FWI_PARAMS" "$FWI_FREQ"
fi
echo >&2 "Current dir: $(pwd)"
echo >&2 "Using PARAMS=$FWI_PARAMS and FREQ=$FWI_FREQ"
'' + optionalString (conf.enableCTF) ''
export NANOS6_CONFIG_OVERRIDE="version.instrument=ctf"
'';
argv = [
''"$FWI_PARAMS"''
''"$FWI_FREQ"''
] ++ optional (needsBlocksize conf) conf.blocksize ++ [
"-1" # Fordward steps
"-1" # Backward steps
ioFreq # Write/read frequency
];
post = ''
# Go back to the garlic out directory
cd "$FWI_SRUNDIR"
if [ $FWI_CAPTAIN ]; then
'' + optionalString (conf.enableCTF) ''
# FIXME: We should specify the path in the nanos6 config, so we
# can avoid the race condition while they are generating the
# traces
sleep 3
# Save the traces
mv "$FWI_EXECDIR"/trace_* .
'' + ''
rm -rf "$FWI_EXECDIR"
fi
'';
};
apps = bsc.garlic.apps;
# FWI program
program = {nextStage, conf, ...}:
let
fwiParams = bsc.apps.fwi.params.override {
inherit (conf) nx ny nz;
};
in
apps.fwi.solver.override {
inherit (conf) gitBranch;
inherit fwiParams;
};
pipeline = stdexp.stdPipeline ++ [ exec program ];
}