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Firecrown Wrapper

Track of Firecrown Wrapper developement which will be integrated to the LSST TD Pipeline

Ayan Mitra 2023


Firecrown Wrapper Manual for running with Cosmosis for SN Cosmology


Summary

The Firecrown wrapper is a standalone unit which can be run to link any given Supernova input data files to Cosmosis for dark energy parameter estimation via firecrown likelihood module.

Why

The LSST Rubin DESC data files have transitioned to a new file format known as sacc[1]. This modification necessitated the introduction of the Firecrown wrapper. The wrapper aids in the conversion of Supernova (SN) data files to the sacc format. Once transformed, these files can be processed by the Firecrown likelihood module, which subsequently feeds them into Cosmosis for DE parameter estimation and post processing for generating plots.

Firecrown Wrapper Flowchart

SN Hubble Diagram (HD) + Covariance Matrix [Input] --> Single sacc file --> Firecrown Likelihood --> Cosmosis --> DE Parameter estimation + Plots [Output]

Input requirements

Mandatory : Input file path to HD and covariance matrix, Name of HD file and covariance matrix file, cosmosis input ini file.

Assumption : HD and covariance matrix files are in the same folder.

Additional optional attributes can be seen via the help command as :

$SNANA_DEBUG/submit_batch_firecrown/NEW_AYAN_DEBUG-3/dist/Firecrown_wrapper_example-2 --help

Notes

The wrapper can be used as :

(a) a standalone unit for submitting batch job in Perlmutter or,

(b) can also be used with SNANA/DESC TD pipeline software's function : submit_batch_jobs.sh for submitting batch job(s).

Syntax

(a) To simply run the code as a batch job in perlmutter the following example job script can be used as a template :

  #!/bin/bash
  #SBATCH -A m1727
  #SBATCH -C cpu
  #SBATCH --qos=debug
  #SBATCH --time=00:10:00
  #SBATCH --nodes=3
  #SBATCH --error=perl_firecrown-%j.err
  #SBATCH -o perl_firecrown.log
  #SBATCH --mail-user=ayanmitra375@gmail.com
  #SBATCH -J Firecrown


  NUM_PROCESSES=16
  export OMP_NUM_THREADS=4


  #Example 1
  # Syntax : srun -u -n ${NUM_PROCESSES}  --cpus-per-task ${OMP_NUM_THREADS} $SNANA_DEBUG/submit_batch_firecrown/NEW_AYAN_DEBUG-3/dist/Firecrown_wrapper_example-2 [Input/Folder/HD/covariance/matrix] [HD.txt] [cov.txt] [cosmosis.ini]
  srun -u -n ${NUM_PROCESSES}  --cpus-per-task ${OMP_NUM_THREADS} $SNANA_DEBUG/submit_batch_firecrown/NEW_AYAN_DEBUG-3/dist/Firecrown_wrapper_example-2 $HOME/Analysis/7_CREATE_COV/LSST_BINNED_COV_BBC_SIMDATA_PHOTOZ_1/output hubble_diagram.txt covsys_000.txt.gz sn_only.ini --summary $PWD/FIRECROWN_OUTPUT/SUMMARY.YAML -O $PWD/FIRECROWN_OUTPUT/

  # ## End of file

Save the above code in a file test.sh and then from perlmutter terminal submit the job as : sbatch test.sh

  • Notes : qos = debug can be changed to regular. nodes and time can be modified accordingly (as of now Perlmutter's maximum time limit is 12 hours). The outputs will be stored in $PWD/FIRECROWN_OUTPUT/. cosmosis input file shown here is sn_only.ini, consult cosmosis manual for more information.

    (b) To run with submit_batch_jobs.sh a separate Input yaml file is needed suitable for submit_batch_jobs.sh. An example of a test.yaml is below :

        BATCH_INFO: sbatch
        $SBATCH_TEMPLATES/SBATCH_Perlmutter.TEMPLATE
        25 JOBNAME: srun -n 2
        $SNANA_DEBUG/submit_batch_firecrown/NEW_AYAN_DEBUG-3/dist/Firecrown_wrapper_example-2
        BATCH_WALLTIME: "12:00:00" FIRECROWN_INPUT_FILE:
        /global/cfs/cdirs/lsst/groups/TD/SN/SNANA/SURVEYS/LSST/ROOT/starterKits/firecrown+submit_batch_jobs/Cosmosis_Input_Scripts/sn_planck.ini
        ENV_REQUIRE: FIRECROWN_DIR FIRECROWN_EXAMPLES_DIR CSL_DIR
        OUTDIR: output_firecrown_sn_cmb WFITAVG:
        #- LSST_BINNED_COV_BBC_SIMDATA_SPECZ
        - LSST_BINNED_COV_BBC_SIMDATA_PHOTOZ
        COVOPT:  ALL NOSYS INPDIR: -
        /pscratch/sd/d/desctd/PIPPIN_OUTPUT/PLASTICC_COMBINED_PUBLISHED/7_CREATE_COV/LSST_BINNED_COV_BBC_SIMDATA_PHOTOZ_1/output
        -
        /pscratch/sd/d/desctd/PIPPIN_OUTPUT/PLASTICC_COMBINED_PUBLISHED/7_CREATE_COV/LSST_BINNED_COV_BBC_SIMDATA_PHOTOZ_2/output
      ##END_YAML
    
    
    

Launch the job : submit_batch_jobs.sh test.yaml

Outputs

Each successful output will produce the following three sub folders in the desired location :

(1) COSMOSIS-CHAINS Contains the output chain files (name as written in input .ini file) and INPUT.INFO file which logs all input commands.

(2) ERROR_LOGS contains the error and log files of each stages. Also contains files recording the time taken in each stages.

(3) PLOTS contains the results of the analysis from the chain files i.e. plots and parameter estimation summary files.

(4) Summary Yaml file : summarizes the outcomes of each stages : Fail or Successful. Also lists the main cosmological results (some fields are still under construction).

********************************************************************

[1] https://sacc.readthedocs.io/en/latest/intro.html

gagan.jpg

"Pratima Visarjan", Gaganendranath Tagore, Watercolour on Paper, circa 1915.

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