rebuild_benchmark.sh

#!/bin/bash
# Copyright (c) 2023-2024 Yegor Bugayenko
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

set -x
set -e

rm -rf src/bin
mkdir -p src/bin
cp tests/benchmark.rs src/bin/benchmark.rs

sed -E -i 's/\[dev-dependencies\]//g' Cargo.toml

micromap="micromap::Map"
capacities="2 4 8 16 32 64 128"
cycles=1000000
first=$(echo "${capacities}" | cut -f1 -d' ')

rm -rf target/benchmark
mkdir -p target/benchmark
SECONDS=0
for capacity in ${capacities}; do
  sed -E -i "s/CAPACITY: usize = [0-9]+/CAPACITY: usize = ${capacity}/g" src/bin/benchmark.rs
  cargo build --release
  ./target/release/benchmark "${cycles}" > "target/benchmark/${capacity}.out"
done

{
  echo -n '| |'
  for capacity in ${capacities}; do
    echo -n " ${capacity} |"
  done
  echo ''
  echo -n '| --- |'
  for capacity in ${capacities}; do
    echo -n " --: |"
  done
  echo ''
  maps=$(cut -f 1 "target/benchmark/${first}.out")
  for map in ${maps}; do
    echo -n "| \`${map}\`"
      if [ "${map}" == "${micromap}" ]; then
        echo -n ' 👍'
      fi
    echo -n ' |'
    for capacity in ${capacities}; do
      our=$(grep "${micromap}" "target/benchmark/${capacity}.out" | cut -f 2)
      if [ "${our}" -eq "0" ]; then
        our=1
      fi
      their=$(grep "${map}" "target/benchmark/${capacity}.out" | cut -f 2)
      if [ "${their}" -eq "0" ]; then
        their=1
      fi
      echo -n ' '
      if [ $(( "${their}" / "${our}" / 1000 / 1000 )) -gt 0 ]; then
        perl -e "printf(\"%dM\", ${their} / ${our} / 1000 / 1000);"
      elif [ $(( "${their}" / "${our}" / 1000 )) -gt 0 ]; then
        perl -e "printf(\"%dK\", ${their} / ${our} / 1000);"
      else
        perl -e "printf(\"%.02f\", ${their} / ${our});"
      fi
      echo -n ' |'
    done
    echo ''
  done
  echo ''
  echo "The experiment [was performed][action] on $(date +%d-%m-%Y)."
  echo "There were ${cycles} repetition cycles."
  echo "The entire benchmark took ${SECONDS}s."
  echo "Uname: '$(uname)'."
} > target/benchmark/table.md

perl -e '
  my $readme;
  my $file = "README.md";
  open(my $r, "<", $file);
  { local $/; $readme = <$r>; }
  close($r);
  my $sep = "<!-- benchmark -->";
  my @p = split(/\Q$sep\E/, $readme);
  my $table = "target/benchmark/table.md";
  open(my $t, "<", $table);
  { local $/; $table = <$t>; }
  close($t);
  $p[1] = "\n" . $table . "\n";
  my $new = join($sep, @p);
  open(my $w, ">", $file);
  print $w join($sep, @p);
  close($w);
'

git restore Cargo.toml
rm -rf src/bin