bscpkgs/garlic/exp/nbody/old/strong-scaling-oss.nix
2021-04-19 17:27:52 +02:00

72 lines
1.6 KiB
Nix

{
stdenv
, stdexp
, bsc
, targetMachine
, stages
}:
with stdenv.lib;
let
# Initial variable configuration
varConf = with bsc; {
numProcsAndParticles = [ 1 2 4 8 16 32 48 ];
input = [
{ numParticles=1 ; cpuMask="0x1"; }
{ numParticles=2 ; cpuMask="0x3"; }
{ numParticles=4 ; cpuMask="0xf"; }
{ numParticles=8 ; cpuMask="0xff"; }
{ numParticles=16; cpuMask="0xffff"; }
{ numParticles=32; cpuMask="0xffffffff"; }
{ numParticles=48; cpuMask="0xffffffffffff"; }
];
};
# Generate the complete configuration for each unit
genConf = with bsc; c: targetMachine.config // rec {
# nbody options
inherit (c.input) numParticles cpuMask;
particles = 1024 * numParticles * 2;
timesteps = 10;
blocksize = 1024;
cc = icc;
mpi = impi;
gitBranch = "garlic/oss+task";
# Repeat the execution of each unit 30 times
loops = 30;
# Resources
qos = "debug";
ntasksPerNode = 1;
nodes = 1;
time = "02:00:00";
cpuBind = "verbose,mask_cpu:${cpuMask}";
jobName = "nbody-bs-${toString numParticles}-${gitBranch}";
};
# Compute the array of configurations
configs = stdexp.buildConfigs {
inherit varConf genConf;
};
exec = {nextStage, conf, ...}: with conf; stages.exec {
inherit nextStage;
argv = [ "-t" timesteps "-p" particles ];
};
program = {nextStage, conf, ...}: with conf;
let
customPkgs = stdexp.replaceMpi conf.mpi;
in
customPkgs.apps.nbody.override {
inherit cc blocksize mpi gitBranch;
};
pipeline = stdexp.stdPipeline ++ [ exec program ];
in
stdexp.genExperiment { inherit configs pipeline; }