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dimm-error-pattern-visualization

This tool for visualization the spatial distribution of correctable memory errors was developed with the publication https://doi.org/10.1016/j.jpdc.2023.104800. If you use it, we will be happy if you cite it.

Data requirements

In order for the code to work properly, the input data has to fulfill some conditions. The input .csv has to contain the following columns:

  • datetime: timestamp when the datapoint was collected

To identify the memory module uniquely:

  • socket: number of the socket the investigated DIMM module belongs to
  • imc: number of the integrated memroy controller the investigated DIMM module belongs to
  • channel: number of channel the investigated DIMM module belongs to
  • dimm: number of the respective DIMM the error occured on

To identify cells of the DIMM module uniquely:

  • rank: number of the rank on the DIMM the error occured on
  • bank: number of the bank on the rank the error occured on
  • column: the column on the bank where the error occured
  • row: the row on the bank where the error occured

Dependencies

Install dependencies via

pip install -r .\requirements.txt

Parameters and Constants

The function vis_single_dimm requires two arguments:

  • path: the path to the file containing our error data
  • dimm: the id of the dimm we want to visualize

In addition to the function parameters we have to declare some constants depending on the hardware the data is taken from:

  • RANKS: is the max number of ranks in our architecture
  • BANKS: is the max number of banks per rank
  • ROWS: is the max number of rows per bank
  • COLUMNS: is the max number of columns per bank

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