#!/usr/bin/env bash

if (( $# != 1 )); then
    echo "usage: $(basename "$0") <result table" 1>&2
    exit 1
fi
table=$1

echo '# Columns'
echo '# -------'
echo '# 1 epsilon, i.e. relative reduction of power draw'
echo '# 2 performance-optimal GPU clock frequency (MHz)'
for eps in $(seq 1 -0.01 0); do
  awk -v max="$(awk '!/#/{print $4}' "${table}" | datamash max 1)"                                  \
    -v eps="${eps}"                                                                                          \
    'BEGIN{bestp=0;c="NaN"} !/#/{if (($4/max <= eps) && (0.5*($7+$8) > bestp)){bestp = 0.5*($7+$8); c = $1}} END{print (1 - eps)" "c}'\
    "${table}"
done