103 lines
2.2 KiB
Nix
103 lines
2.2 KiB
Nix
{
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stdenv
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, lib
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, stdexp
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, bsc
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, targetMachine
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, stages
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, inputTre
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, n
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, dram
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, garlicTools
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, resultFromTrebuchet
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}:
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with lib;
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with garlicTools;
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let
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# Initial variable configuration
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varConf = with bsc; { };
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inherit (targetMachine) fs;
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# Generate the complete configuration for each unit
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genConf = with bsc; c: targetMachine.config // rec {
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expName = "shuffle";
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unitName = "${expName}.n${n}.dram${dram}";
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inherit (targetMachine.config) hw;
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inherit n dram;
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# Don't repeat
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loops = 1;
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# Resources
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qos = "debug";
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ntasksPerNode = 1;
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nodes = 1;
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time = "01:00:00";
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cpusPerTask = hw.cpusPerNode;
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jobName = unitName;
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# We need access to a fast shared filesystem to store the shuffled input
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# dataset
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extraMounts = [ fs.shared.fast ];
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};
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# Compute the array of configurations
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configs = stdexp.buildConfigs {
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inherit varConf genConf;
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};
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exec = {nextStage, conf, ...}: with conf;
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let
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inputExp = inputTre.experiment;
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inputUnit = elemAt inputExp.units 0;
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unitName = baseNameOf (toString inputUnit);
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# We also need the result. This is only used to ensure that we have the
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# results, so it has been executed.
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inputRes = resultFromTrebuchet inputTre;
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#FIXME: We need a better mechanism to get the output paths
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inFile = "${fs.shared.fast}/out/$GARLIC_USER/${unitName}/1/seq.dat";
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outDir = "${fs.shared.fast}/out/$GARLIC_USER/$GARLIC_UNIT/$GARLIC_RUN";
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outFile = "${outDir}/shuffled.dat";
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in
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stages.exec {
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inherit nextStage;
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pre = ''
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# This line ensures that the previous results are complete:
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# ${inputRes}
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# Exit on error
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set -e
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# Ensure the input file exists
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if [ ! -f "${inFile}" ]; then
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echo "input file not found: ${inFile}"
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exit 1
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fi
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mkdir -p "${outDir}"
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# Copy the input as we are going to overwrite it
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cp "${inFile}" "${outFile}"
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'';
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argv = [ n dram outFile 16 64 ];
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post = ''
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# Link the output here
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ln -s "${outFile}" shuffled.dat
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'';
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};
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program = {...}:
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bsc.apps.bigsort.shuffle;
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pipeline = stdexp.stdPipeline ++ [ exec program ];
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in
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stdexp.genExperiment { inherit configs pipeline; }
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