73 lines
1.6 KiB
Nix
73 lines
1.6 KiB
Nix
{
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stdenv
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, stdexp
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, bsc
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, targetMachine
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, stages
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}:
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with stdenv.lib;
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let
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# Configurations for each unit (using the cartesian product)
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confUnit = with bsc; {
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blocksize = [ 1024 2048 ];
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};
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# Configuration for the complete experiment
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confExperiment = with bsc; {
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# nbody options
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particles = 1024 * 4;
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timesteps = 10;
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cc = icc;
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mpi = impi;
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gitBranch = "garlic/mpi+send";
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# Repeat the execution of each unit 30 times
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loops = 30;
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# Resources
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ntasksPerNode = 2;
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nodes = 1;
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cpuBind = "sockets,verbose";
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};
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confMachine = targetMachine.config;
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# Compute the array of configurations
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configs = stdexp.buildConfigs {
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var = confUnit;
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fixed = confMachine // confExperiment;
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};
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exec = {nextStage, conf, ...}: with conf; stages.exec {
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inherit nextStage;
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argv = [ "-t" timesteps "-p" particles ];
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env = "";
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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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program = {nextStage, 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 = stdexp.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.apps.nbody.override {
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inherit cc blocksize mpi gitBranch;
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};
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# Generate the experimental units
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units = map (c: stages.unit {
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conf = c;
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stages = stdexp.stdStages ++ [ exec program ];
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}) configs;
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in
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stdexp.buildExperiment units
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