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output.rst

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What is all the output?

After having run pinefarm run <PINECARD> <THEORYCARD> (see cli), the script prints a table, which is useful to quickly validate the native output and the interpolation error of . The last line shows the directory where all results are stored, which has the form PINECARD-DATE, where PINECARD is the value given to the run script and DATE is a numerical date when the generation was started. The date is added so runs for the same dataset do not overwrite each other's output.

The most important file in the output directory is

PINECARD-DATE/PINECARD.pineappl.lz4

which is the final grid.

The remaining contents of this directory are useful for testing and debugging:

  • results.log: The numerical results of the run, comparing the results of the grid against the native results from the runner.

Metadata

The resulting grid will contain the metadata written in the metadata.txt file.

In addition, pinefarm will automatically add the following metadata:

  • initial_state_{1,2}: The hadronic initial states of the grid, given as , typically 2212 for protons, -2212 for anti-protons, and so on.
  • lumi_id_types: The meaning of the luminosities IDs in the definition of the luminosity function of a grid. This is set to pdg_mc_ids to signal they are (with a possible exception of the gluon, for which 0 may be used).
  • pineappl: The version that was used to generate the grid.
  • pinefarm: The pinefarm version that was used to generate the grid.
  • pinecard: Base64 encoded .tar.gz version of the generating pinecard. To re-extract it on a UNIX system run pineappl read --get pinecard PINECARD.pineappl.lz4 | base64 -d > PINECARD.tar.gz where PINECARD is to be replaced with the actual file name.
  • results: The comparison of the raw generator results against a convolution of the grid with the selected PDF. This is the same table printed at the end by pinefarm run, and is used to verify the contents of each grid.
  • results_pdf: PDF used for the comparison table

Runner dependent output

Part of the output is specific to the selected runner, and described in the corresponding section <external/index>.