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66 lines
1.5 KiB
Bash
Executable File
66 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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RUNS=20
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CMD="go run ./cmd/cli -U http://localhost:80 -r 1_000_000 -c 100"
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declare -a times_default
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declare -a times_gogcoff
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echo "===== Benchmark: default GC ====="
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for i in $(seq 1 $RUNS); do
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echo "Run $i/$RUNS ..."
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start=$(date +%s%N)
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$CMD
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end=$(date +%s%N)
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elapsed=$(( (end - start) / 1000000 )) # milliseconds
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times_default+=("$elapsed")
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echo " -> ${elapsed} ms"
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done
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echo ""
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echo "===== Benchmark: GOGC=off ====="
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for i in $(seq 1 $RUNS); do
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echo "Run $i/$RUNS ..."
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start=$(date +%s%N)
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GOGC=off $CMD
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end=$(date +%s%N)
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elapsed=$(( (end - start) / 1000000 ))
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times_gogcoff+=("$elapsed")
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echo " -> ${elapsed} ms"
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done
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echo ""
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echo "============================================"
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echo " RESULTS"
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echo "============================================"
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echo ""
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echo "--- Default GC ---"
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sum=0
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for i in $(seq 0 $((RUNS - 1))); do
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echo " Run $((i + 1)): ${times_default[$i]} ms"
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sum=$((sum + times_default[$i]))
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done
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avg_default=$((sum / RUNS))
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echo " Average: ${avg_default} ms"
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echo ""
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echo "--- GOGC=off ---"
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sum=0
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for i in $(seq 0 $((RUNS - 1))); do
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echo " Run $((i + 1)): ${times_gogcoff[$i]} ms"
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sum=$((sum + times_gogcoff[$i]))
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done
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avg_gogcoff=$((sum / RUNS))
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echo " Average: ${avg_gogcoff} ms"
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echo ""
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echo "--- Comparison ---"
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if [ "$avg_default" -gt 0 ]; then
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diff=$((avg_default - avg_gogcoff))
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echo " Difference: ${diff} ms (positive = GOGC=off is faster)"
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fi
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echo "============================================"
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