131 lines
3.0 KiB
Nix
131 lines
3.0 KiB
Nix
{
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bsc
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, stdenv
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, nbody
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, genApp
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, genConfigs
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, runWrappers
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}:
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with stdenv.lib;
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let
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# Set variable configuration for the experiment
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varConfig = {
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cc = [ bsc.icc ];
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blocksize = [ 1024 ];
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};
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# Common configuration
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common = {
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# Compile time nbody config
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gitBranch = "garlic/mpi+send";
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mpi = bsc.impi;
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# nbody runtime options
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particles = 1024*128;
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timesteps = 20;
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# Resources
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ntasksPerNode = "48";
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nodes = "1";
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# Stage configuration
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enableSbatch = true;
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enableControl = true;
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enableExtrae = false;
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enablePerf = false;
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# MN4 path
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nixPrefix = "/gpfs/projects/bsc15/nix";
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};
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# Compute the cartesian product of all configurations
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configs = map (conf: conf // common) (genConfigs varConfig);
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stageProgram = stage:
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if stage ? programPath
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then "${stage}${stage.programPath}" else "${stage}";
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w = runWrappers;
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sbatch = {stage, conf, ...}: with conf; w.sbatch {
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program = stageProgram stage;
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exclusive = true;
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time = "02:00:00";
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qos = "debug";
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jobName = "nbody-bs";
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inherit nixPrefix nodes ntasksPerNode;
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};
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control = {stage, conf, ...}: with conf; w.control {
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program = stageProgram stage;
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};
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srun = {stage, conf, ...}: with conf; w.srun {
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program = stageProgram stage;
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srunOptions = "--cpu-bind=verbose,rank";
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inherit nixPrefix;
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};
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statspy = {stage, conf, ...}: with conf; w.statspy {
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program = stageProgram stage;
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};
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perf = {stage, conf, ...}: with conf; w.perf {
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program = stageProgram stage;
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perfArgs = "sched record -a";
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};
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nixsetup = {stage, conf, ...}: with conf; w.nixsetup {
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program = stageProgram stage;
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};
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extrae = {stage, conf, ...}: w.extrae {
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program = stageProgram stage;
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traceLib = "mpi"; # mpi -> libtracempi.so
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configFile = ./extrae.xml;
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};
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argv = {stage, conf, ...}: w.argv {
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program = stageProgram stage;
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env = ''
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set -e
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export I_MPI_THREAD_SPLIT=1
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'';
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argv = ''( -t ${toString conf.timesteps}
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-p ${toString conf.particles} )'';
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};
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nbodyFn = {stage, conf, ...}: with conf; nbody.override {
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inherit cc blocksize mpi gitBranch;
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};
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stages = with common; []
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# Use sbatch to request resources first
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++ optional enableSbatch sbatch
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# Repeats the next stages N times
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++ optionals enableControl [ nixsetup control ]
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# Executes srun to launch the program in the requested nodes, and
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# immediately after enters the nix environment again, as slurmstepd launches
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# the next stages from outside the namespace.
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++ [ srun nixsetup ]
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# Intrumentation with extrae
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++ optional enableExtrae extrae
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# Optionally profile the next stages with perf
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++ optional enablePerf perf
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# Execute the nbody app with the argv and env vars
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++ [ argv nbodyFn ];
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# List of actual programs to be executed
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jobs = map (conf: w.stagen { inherit conf stages; }) configs;
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in
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# We simply run each program one after another
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w.launch jobs
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