137 lines
3.2 KiB
Nix
137 lines
3.2 KiB
Nix
{
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stdenv
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, nixpkgs
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, pkgs
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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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numComm = [ 1 ];
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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 = "Saiph_TAMPI_OMPSS";
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mpi = pkgs.bsc.impi;
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# Resources
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ntasksPerNode = "2";
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nodes = "2";
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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 = "saiph";
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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,sockets";
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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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bscOverlay = import ../../../overlay.nix;
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genPkgs = newOverlay: nixpkgs {
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overlays = [
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bscOverlay
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newOverlay
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];
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};
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# We may be able to use overlays by invoking the fix function directly, but we
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# have to get the definition of the bsc packages and the garlic ones as
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# overlays.
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saiphFn = {stage, conf, ...}: with conf;
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let
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# We set the mpi implementation to the one specified in the conf, so all
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# packages in bsc will use that one.
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customPkgs = genPkgs (self: super: {
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bsc = super.bsc // { mpi = conf.mpi; };
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});
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in
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customPkgs.bsc.garlic.saiph.override {
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inherit numComm 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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++ [ saiphFn ];
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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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