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
186
scripts/memory-analysis.sh
Executable file
186
scripts/memory-analysis.sh
Executable file
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#!/bin/bash
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# Comprehensive Memory Profiling Script for go-jdenticon
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# Usage: ./scripts/memory-analysis.sh [output_dir]
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set -e
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# Configuration
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OUTPUT_DIR="${1:-./profiles}"
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TIMESTAMP=$(date +"%Y%m%d_%H%M%S")
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REPORT_DIR="${OUTPUT_DIR}/report_${TIMESTAMP}"
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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echo -e "${BLUE}🔍 Go Jdenticon Memory Analysis${NC}"
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echo -e "${BLUE}================================${NC}"
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# Create output directories
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mkdir -p "${REPORT_DIR}"
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echo -e "${YELLOW}📁 Output directory: ${REPORT_DIR}${NC}"
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# Function to run memory profiling benchmark
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run_memory_benchmark() {
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local package=$1
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local profile_name=$2
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local benchmark_pattern=${3:-"."}
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echo -e "${BLUE}🧪 Running memory benchmark: ${package}${NC}"
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go test -bench="${benchmark_pattern}" \
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-memprofile="${REPORT_DIR}/${profile_name}.prof" \
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-benchmem \
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-benchtime=3s \
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"./${package}" > "${REPORT_DIR}/${profile_name}_results.txt" 2>&1
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if [ $? -eq 0 ]; then
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echo -e "${GREEN}✅ ${package} profiling completed${NC}"
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else
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echo -e "${RED}❌ ${package} profiling failed${NC}"
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return 1
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fi
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}
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# Function to analyze memory profile
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analyze_profile() {
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local profile_path=$1
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local analysis_name=$2
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echo -e "${BLUE}📊 Analyzing ${analysis_name}${NC}"
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# Generate top allocations
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go tool pprof -top "${profile_path}" > "${REPORT_DIR}/${analysis_name}_top.txt" 2>/dev/null
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# Generate allocation list for hotspot functions
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go tool pprof -list="renderShape|AddPolygon|GenerateColorTheme|svgValue" "${profile_path}" > "${REPORT_DIR}/${analysis_name}_hotspots.txt" 2>/dev/null
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# Generate memory usage by package
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go tool pprof -top -cum "${profile_path}" > "${REPORT_DIR}/${analysis_name}_cumulative.txt" 2>/dev/null
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echo -e "${GREEN}✅ ${analysis_name} analysis completed${NC}"
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}
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# Function to generate comparison report
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generate_comparison() {
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local baseline_prof=$1
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local current_prof=$2
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local comparison_name=$3
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if [ -f "${baseline_prof}" ] && [ -f "${current_prof}" ]; then
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echo -e "${BLUE}🔄 Generating comparison: ${comparison_name}${NC}"
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go tool pprof -base="${baseline_prof}" -top "${current_prof}" > "${REPORT_DIR}/${comparison_name}_diff.txt" 2>/dev/null
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echo -e "${GREEN}✅ Comparison ${comparison_name} completed${NC}"
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fi
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}
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# Main execution
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echo -e "${YELLOW}🚀 Starting memory profiling...${NC}"
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# 1. Profile engine package
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echo -e "\n${BLUE}1. Engine Package Profiling${NC}"
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run_memory_benchmark "internal/engine" "engine_memory"
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# 2. Profile renderer package
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echo -e "\n${BLUE}2. Renderer Package Profiling${NC}"
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run_memory_benchmark "internal/renderer" "renderer_memory"
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# 3. Profile full library
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echo -e "\n${BLUE}3. Full Library Profiling${NC}"
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run_memory_benchmark "jdenticon" "full_memory"
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# 4. Analyze profiles
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echo -e "\n${BLUE}4. Analyzing Memory Profiles${NC}"
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for profile in "${REPORT_DIR}"/*.prof; do
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if [ -f "$profile" ]; then
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basename=$(basename "$profile" .prof)
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analyze_profile "$profile" "$basename"
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fi
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done
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# 5. Generate comparison with baseline if available
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BASELINE_DIR="./profiles/baseline"
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if [ -d "$BASELINE_DIR" ]; then
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echo -e "\n${BLUE}5. Comparing with Baseline${NC}"
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for profile in "${REPORT_DIR}"/*.prof; do
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basename=$(basename "$profile")
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if [ -f "${BASELINE_DIR}/${basename}" ]; then
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comparison_name=$(basename "$basename" .prof)
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generate_comparison "${BASELINE_DIR}/${basename}" "$profile" "$comparison_name"
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fi
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done
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fi
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# 6. Generate summary report
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echo -e "\n${BLUE}6. Generating Summary Report${NC}"
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cat > "${REPORT_DIR}/ANALYSIS_SUMMARY.md" << EOF
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# Memory Analysis Report - ${TIMESTAMP}
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## Benchmark Results
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### Engine Package
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\`\`\`
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$(cat "${REPORT_DIR}/engine_memory_results.txt" | grep "Benchmark" | head -10)
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\`\`\`
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### Renderer Package
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\`\`\`
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$(cat "${REPORT_DIR}/renderer_memory_results.txt" | grep "Benchmark" | head -10)
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\`\`\`
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### Full Library
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\`\`\`
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$(cat "${REPORT_DIR}/full_memory_results.txt" | grep "Benchmark" | head -10)
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\`\`\`
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## Top Memory Allocations
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### Engine Hotspots
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\`\`\`
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$(head -20 "${REPORT_DIR}/engine_memory_top.txt")
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\`\`\`
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### Renderer Hotspots
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\`\`\`
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$(head -20 "${REPORT_DIR}/renderer_memory_top.txt")
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\`\`\`
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## Analysis Files Generated
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- \`*_top.txt\`: Top allocation sources
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- \`*_hotspots.txt\`: Known hotspot function analysis
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- \`*_cumulative.txt\`: Cumulative allocation by package
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- \`*_diff.txt\`: Comparison with baseline (if available)
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## Next Steps
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1. Review top allocation sources in \`*_top.txt\` files
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2. Focus optimization on functions listed in hotspot analysis
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3. Use \`go tool pprof\` for interactive analysis:
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\`\`\`bash
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go tool pprof ${REPORT_DIR}/engine_memory.prof
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\`\`\`
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EOF
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echo -e "${GREEN}✅ Summary report generated${NC}"
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# 7. Interactive analysis option
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echo -e "\n${YELLOW}🎯 Analysis complete!${NC}"
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echo -e "${BLUE}📁 Results saved to: ${REPORT_DIR}${NC}"
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echo -e "\n${YELLOW}Quick commands for manual analysis:${NC}"
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echo -e " ${BLUE}Interactive engine analysis:${NC} go tool pprof ${REPORT_DIR}/engine_memory.prof"
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echo -e " ${BLUE}Interactive renderer analysis:${NC} go tool pprof ${REPORT_DIR}/renderer_memory.prof"
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echo -e " ${BLUE}Web interface:${NC} go tool pprof -http=:8080 ${REPORT_DIR}/engine_memory.prof"
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# 8. Set baseline option
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if [ ! -d "./profiles/baseline" ]; then
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echo -e "\n${YELLOW}💡 Tip: Set this as baseline for future comparisons?${NC}"
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echo -e " ${BLUE}mkdir -p ./profiles/baseline && cp ${REPORT_DIR}/*.prof ./profiles/baseline/${NC}"
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fi
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echo -e "\n${GREEN}🎉 Memory analysis completed successfully!${NC}"
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