Файловый менеджер - Редактировать - /home/omtekel/wiki/vendor/wikimedia/wikipeg/tools/impact
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#!/bin/sh # Measures impact of a Git commit (or multiple commits) on generated parsers' # speed and size. Makes sense to use only on PEG.js Git repository checkout. set -e # Measurement prepare() { git checkout --quiet "$1" } run_benchmark() { echo $(make benchmark | awk 'BEGIN { FS = " *│ *" } /Total/ { split($5, a, " "); print a[1] }') } measure_speed() { bc <<-EOT scale = 2 ($(run_benchmark) + $(run_benchmark) + $(run_benchmark) + $(run_benchmark) + $(run_benchmark)) / 5 EOT } measure_size() { for file in examples/*.pegjs; do bin/wikipeg "$file" done echo $(cat examples/*.js | wc -c) rm examples/*.js } difference() { bc <<-EOT scale = 4 ($2 / $1 - 1) * 100 EOT } # Helpers print_results() { echo echo "Speed impact" echo "------------" echo "Before: $1 kB/s" echo "After: $2 kB/s" printf "Difference: %0.2f%%\n" $(difference $1 $2) echo echo "Size impact" echo "-----------" echo "Before: $3 b" echo "After: $4 b" printf "Difference: %0.2f%%\n" $(difference $3 $4) echo echo "(Measured by /tools/impact with Node.js $(node --version) on $(uname --operating-system --machine).)" } print_usage() { echo "Usage:" echo " $0 <commit>" echo " $0 <commit_before> <commit_after>" echo echo "Measures impact of a Git commit (or multiple commits) on generated parsers'" echo "speed and size. Makes sense to use only on PEG.js Git repository checkout." } cd_to_root() { if [ -L "$0" ]; then THIS_FILE=$(readlink "$0") else THIS_FILE="$0" fi cd "$(dirname "$THIS_FILE")/.." } exit_failure() { exit 1 } # Main if [ $# -eq 1 ]; then commit_before="$1~1" commit_after="$1" elif [ $# -eq 2 ]; then commit_before="$1" commit_after="$2" else print_usage exit_failure fi cd_to_root echo -n "Measuring commit $commit_before..." prepare "$commit_before" speed1=$(measure_speed) size1=$(measure_size) echo " OK" echo -n "Measuring commit $commit_after..." prepare "$commit_after" speed2=$(measure_speed) size2=$(measure_size) echo " OK" print_results $speed1 $speed2 $size1 $size2
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