bscpkgs/garlic/exp/nbody/nodes-or-sockets-mpi.nix

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{
stdenv
, stdexp
, bsc
, targetMachine
, stages
, garlicTools
, numactl
}:
with stdenv.lib;
with garlicTools;
let
# Initial variable configuration
varConf = with bsc; {
blocksize = [ 256 512 1024 ];
gitBranch = [ "garlic/tampi+send+oss+task" ];
attachToSocket = [ true false ];
numactl = [ true false ];
};
# Generate the complete configuration for each unit
genConf = c: targetMachine.config // rec {
hw = targetMachine.config.hw;
particles = 4 * 4096 * hw.cpusPerSocket;
timesteps = 10;
blocksize = c.blocksize;
gitBranch = c.gitBranch;
socketAtt = c.attachToSocket;
useNumact = c.numactl;
expName = "nbody-granularity";
attachName = if (socketAtt) then "PerSocket" else "PerNode";
numaName = if (useNumact) then "True" else "False";
unitName = expName +
"-${toString gitBranch}" +
"-bs${toString blocksize}" +
"-ranks${toString attachName}" +
"-useNuma${toString numaName}";
loops = 30;
qos = "debug";
ntasksPerNode = if (socketAtt) then 2 else 1;
nodes = 4;
time = "02:00:00";
cpusPerTask = if (socketAtt) then hw.cpusPerSocket else 2*hw.cpusPerSocket;
jobName = unitName;
};
# Compute the array of configurations
configs = stdexp.buildConfigs {
inherit varConf genConf;
};
exec = {nextStage, conf, ...}: stages.exec ({
inherit nextStage;
argv = [ "-t" conf.timesteps "-p" conf.particles ];
} // optionalAttrs (conf.useNumact) {
program = "${numactl}/bin/numactl --interleave=all ${stageProgram nextStage}";
});
program = {nextStage, conf, ...}: with conf; bsc.garlic.apps.nbody.override {
inherit (conf) blocksize gitBranch;
};
pipeline = stdexp.stdPipeline ++ [ exec program ];
in
stdexp.genExperiment { inherit configs pipeline; }