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nix/benchmark.sh

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#!/bin/sh
set -euo pipefail
set -x
callNix () {
nix \
--experimental-features "nix-command flakes" \
--store /tmp/nix \
"$@"
}
callBuild () {
callNix \
eval --impure --file "$THINGTOBENCH" drvPath \
"$@"
}
getCompletions () {
NIX_GET_COMPLETIONS=6 callNix build "github:NixOS/nixpkgs?rev=ad0d20345219790533ebe06571f82ed6b034db31#firef" "$@"
}
runSearch () {
callNix search "github:NixOS/nixpkgs?rev=ad0d20345219790533ebe06571f82ed6b034db31" firefox "$@"
}
noCache () {
"$@" --option eval-cache false
}
coldCache () {
if [[ -e ~/.cache/nix/eval-cache-v2 || -e ~/.cache/nix/eval-cache-v3 ]]; then
echo "Error: The cache should be clean"
exit 1
fi
"$@"
}
run_all () {
mkdir -p "$out"
NIX_SHOW_STATS=1 NIX_SHOW_STATS_PATH=$out/eval-stats.json bash $0 noCache callBuild
hyperfine \
--warmup 2 \
--export-csv "$out/result.csv" \
--export-json "$out/result.json" \
--export-markdown "$out/result.md" \
--style basic \
--prepare '' "bash $0 noCache callBuild" \
--prepare 'rm -rf ~/.cache/nix/' "bash $0 coldCache callBuild" \
--prepare '' "bash $0 callBuild"
}
"$@"