Generate metadata file as output in Cardio SEAL-BFV & Cingulata

[pjattke]

Add a metadata file (text file) that describes the environment and settings used for the benchmark run.
As there is information that can only be gathered in the container

In-Container Information

This information is only available in the container and we need a script for each combination of (benchmark program, tool).

• FHE scheme paramters p, q, n
  • see print_parameters(...) in examples.h
• Ciphertext size (inputs + result)
  • use trick with serialization, see example_rnn.cpp
• Key size
  • use trick with serialization, see example_rnn.cpp
• Number of operations (additions, multiplications, relinearizations)
  • this and this could be helpful functions for Cingulata

System / EC2 VM Information

This is information that is not available in the docker container but must be gathered on the EC2 VM.
The script collecting this information is usable for all benchmark programs.

• System specs
  • CPU, number of cores
  • memory
  • OS version
• Commit ID
  • git rev-parse HEAD
• (Peak) RAM consumption
  • see post How to record the peak memory usage of a Docker container?; maybe can be adapted to record memory usage of whole container too so that no process name must be given

@AlexanderViand What do you think about adding the git commit SHA to the S3 folder name? Would this break something related to the visualization website?

Note to myself - this would require the following change to L43@benchmark.yml:

$(echo $(date +'%Y%m%d_%H%M%S')_$(git rev-parse --short "$GITHUB_SHA"))