Initial release: Go Jdenticon library v0.1.0
- Core library with SVG and PNG generation - CLI tool with generate and batch commands - Cross-platform path handling for Windows compatibility - Comprehensive test suite with integration tests
This commit is contained in:
Kevin McIntyre
156
scripts/benchmark-hotspots.sh
Executable file
156
scripts/benchmark-hotspots.sh
Executable file
@@ -0,0 +1,156 @@
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#!/bin/bash
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# Quick Memory Hotspot Validation Script
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# Usage: ./scripts/benchmark-hotspots.sh [baseline_dir]
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set -e
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# Colors
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GREEN='\033[0;32m'
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RED='\033[0;31m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m'
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echo -e "${BLUE}🎯 Go Jdenticon Hotspot Validation${NC}"
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echo -e "${BLUE}=================================${NC}"
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BASELINE_DIR="${1:-./profiles/baseline}"
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TEMP_DIR="./profiles/temp_$(date +%s)"
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mkdir -p "$TEMP_DIR"
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# Function to run quick benchmark
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quick_benchmark() {
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local package=$1
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local name=$2
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echo -e "${BLUE}⚡ Quick benchmark: ${package}${NC}"
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go test -bench=BenchmarkGenerate -benchmem -count=3 "./${package}" > "${TEMP_DIR}/${name}_current.txt" 2>&1
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}
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# Function to extract key metrics
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extract_metrics() {
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local file=$1
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# Extract allocation metrics from benchmark output
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grep "BenchmarkGenerate" "$file" | \
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awk '{
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if (NF >= 5) {
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ns_per_op = $3
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bytes_per_op = $4
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allocs_per_op = $5
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gsub(/ns\/op/, "", ns_per_op)
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gsub(/B\/op/, "", bytes_per_op)
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gsub(/allocs\/op/, "", allocs_per_op)
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print bytes_per_op "," allocs_per_op "," ns_per_op
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}
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}' | tail -1
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}
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# Function to compare metrics
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compare_metrics() {
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local baseline_file=$1
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local current_file=$2
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local component=$3
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if [ ! -f "$baseline_file" ]; then
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echo -e "${YELLOW}⚠️ No baseline found for ${component}${NC}"
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return
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fi
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baseline_metrics=$(extract_metrics "$baseline_file")
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current_metrics=$(extract_metrics "$current_file")
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if [ -z "$baseline_metrics" ] || [ -z "$current_metrics" ]; then
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echo -e "${RED}❌ Could not extract metrics for ${component}${NC}"
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return
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fi
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IFS=',' read -r baseline_bytes baseline_allocs baseline_ns <<< "$baseline_metrics"
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IFS=',' read -r current_bytes current_allocs current_ns <<< "$current_metrics"
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# Calculate percentage changes
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bytes_change=$(echo "scale=1; ($current_bytes - $baseline_bytes) * 100 / $baseline_bytes" | bc 2>/dev/null || echo "0")
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allocs_change=$(echo "scale=1; ($current_allocs - $baseline_allocs) * 100 / $baseline_allocs" | bc 2>/dev/null || echo "0")
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time_change=$(echo "scale=1; ($current_ns - $baseline_ns) * 100 / $baseline_ns" | bc 2>/dev/null || echo "0")
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echo -e "\n${BLUE}📊 ${component} Comparison:${NC}"
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echo -e " Memory: ${baseline_bytes} → ${current_bytes} B/op (${bytes_change}%)"
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echo -e " Allocations: ${baseline_allocs} → ${current_allocs} allocs/op (${allocs_change}%)"
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echo -e " Time: ${baseline_ns} → ${current_ns} ns/op (${time_change}%)"
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# Color code the results
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if (( $(echo "$bytes_change < -5" | bc -l 2>/dev/null || echo 0) )); then
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echo -e " Status: ${GREEN}🚀 Memory improvement!${NC}"
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elif (( $(echo "$bytes_change > 10" | bc -l 2>/dev/null || echo 0) )); then
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echo -e " Status: ${RED}⚠️ Memory regression${NC}"
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else
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echo -e " Status: ${YELLOW}📈 Within normal range${NC}"
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fi
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}
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# Main execution
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echo -e "${YELLOW}🔥 Running hotspot validation benchmarks...${NC}\n"
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# Run benchmarks for key components
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quick_benchmark "internal/engine" "engine"
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quick_benchmark "jdenticon" "full"
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echo -e "\n${BLUE}📈 Comparing with baseline...${NC}"
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# Compare with baseline if available
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if [ -d "$BASELINE_DIR" ]; then
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compare_metrics "${BASELINE_DIR}/engine_memory_results.txt" "${TEMP_DIR}/engine_current.txt" "Engine"
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compare_metrics "${BASELINE_DIR}/full_memory_results.txt" "${TEMP_DIR}/full_current.txt" "Full Library"
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else
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echo -e "${YELLOW}⚠️ No baseline directory found at: ${BASELINE_DIR}${NC}"
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echo -e "${BLUE}💡 Run memory-analysis.sh first to establish baseline${NC}"
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fi
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# Show current raw results
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echo -e "\n${BLUE}📋 Current Raw Results:${NC}"
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echo -e "${YELLOW}Engine Package:${NC}"
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grep "BenchmarkGenerate" "${TEMP_DIR}/engine_current.txt" | head -5 || echo "No results"
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echo -e "\n${YELLOW}Full Library:${NC}"
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grep "BenchmarkGenerate" "${TEMP_DIR}/full_current.txt" | head -5 || echo "No results"
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# Quick hotspot check
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echo -e "\n${BLUE}🔍 Quick Hotspot Status Check:${NC}"
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# Check if we're within expected performance bounds
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engine_metrics=$(extract_metrics "${TEMP_DIR}/engine_current.txt")
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if [ -n "$engine_metrics" ]; then
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IFS=',' read -r bytes allocs ns <<< "$engine_metrics"
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echo -e "Current Performance:"
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echo -e " Memory: ${bytes} B/op"
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echo -e " Allocations: ${allocs} allocs/op"
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echo -e " Time: ${ns} ns/op"
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# Check against known hotspot targets
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if (( $(echo "$bytes > 6000" | bc -l 2>/dev/null || echo 0) )); then
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echo -e " ${RED}🔥 High memory usage - optimization needed${NC}"
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elif (( $(echo "$bytes < 3000" | bc -l 2>/dev/null || echo 0) )); then
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echo -e " ${GREEN}✅ Excellent memory efficiency${NC}"
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else
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echo -e " ${YELLOW}📊 Moderate memory usage${NC}"
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fi
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if (( $(echo "$allocs > 60" | bc -l 2>/dev/null || echo 0) )); then
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echo -e " ${RED}🔥 High allocation count - pooling opportunities${NC}"
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elif (( $(echo "$allocs < 30" | bc -l 2>/dev/null || echo 0) )); then
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echo -e " ${GREEN}✅ Efficient allocation pattern${NC}"
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else
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echo -e " ${YELLOW}📊 Moderate allocation count${NC}"
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fi
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fi
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echo -e "\n${BLUE}💡 Quick Commands:${NC}"
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echo -e " Set as new baseline: ${YELLOW}cp ${TEMP_DIR}/*_current.txt ${BASELINE_DIR}/${NC}"
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echo -e " Full analysis: ${YELLOW}./scripts/memory-analysis.sh${NC}"
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echo -e " Profile specific hotspot: ${YELLOW}go test -bench=BenchmarkGenerate -memprofile=temp.prof ./internal/engine && go tool pprof temp.prof${NC}"
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# Cleanup
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echo -e "\n${GREEN}✅ Hotspot validation completed${NC}"
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echo -e "${BLUE}📁 Temp results in: ${TEMP_DIR}${NC}"
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