d9e84812ff
- 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
72 lines
4.2 KiB
JavaScript
72 lines
4.2 KiB
JavaScript
#!/usr/bin/env node
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/**
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* Compare benchmark results between Go and JavaScript implementations
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*/
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const fs = require('fs');
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// Read results
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const jsResults = JSON.parse(fs.readFileSync('./results-js.json', 'utf8'));
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const goResults = JSON.parse(fs.readFileSync('./results-go.json', 'utf8'));
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console.log('=== jdenticon-js vs go-jdenticon Performance Comparison ===\n');
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console.log('Environment:');
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console.log(` JavaScript: Node.js ${jsResults.nodeVersion}, V8 ${jsResults.v8Version}`);
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console.log(` Go: ${goResults.goVersion}`);
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console.log(` Test inputs: ${jsResults.config.numInputs} unique hash strings`);
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console.log(` Icon size: ${jsResults.config.iconSize}x${jsResults.config.iconSize} pixels\n`);
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console.log('Performance Results:');
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console.log('┌─────────────────────────┬─────────────────┬─────────────────┬──────────────────┐');
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console.log('│ Metric │ jdenticon-js │ go-jdenticon │ Go vs JS │');
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console.log('├─────────────────────────┼─────────────────┼─────────────────┼──────────────────┤');
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// Time per icon
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const jsTimeMs = jsResults.performance.timePerIconMs;
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const goTimeMs = goResults.performance.timePerIconMs;
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const timeDelta = ((goTimeMs - jsTimeMs) / jsTimeMs * 100);
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const timeComparison = timeDelta > 0 ? `+${timeDelta.toFixed(1)}% slower` : `${Math.abs(timeDelta).toFixed(1)}% faster`;
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console.log(`│ Time/Icon (ms) │ ${jsTimeMs.toFixed(4).padStart(15)} │ ${goTimeMs.toFixed(4).padStart(15)} │ ${timeComparison.padStart(16)} │`);
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// Throughput
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const jsThroughput = jsResults.performance.iconsPerSecond;
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const goThroughput = goResults.performance.iconsPerSecond;
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const throughputDelta = ((goThroughput - jsThroughput) / jsThroughput * 100);
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const throughputComparison = throughputDelta > 0 ? `+${throughputDelta.toFixed(1)}% faster` : `${Math.abs(throughputDelta).toFixed(1)}% slower`;
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console.log(`│ Throughput (icons/sec) │ ${jsThroughput.toFixed(2).padStart(15)} │ ${goThroughput.toFixed(2).padStart(15)} │ ${throughputComparison.padStart(16)} │`);
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// Memory - Report side-by-side without direct comparison (different methodologies)
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const jsMemoryKB = jsResults.memory.heapDeltaKB;
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const goMemoryB = goResults.memory.bytesPerOp;
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console.log(`│ JS Heap Delta (KB) │ ${jsMemoryKB.toFixed(2).padStart(15)} │ ${'-'.padStart(15)} │ ${'N/A'.padStart(16)} │`);
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console.log(`│ Go Allocs/Op (bytes) │ ${'-'.padStart(15)} │ ${goMemoryB.toString().padStart(15)} │ ${'N/A'.padStart(16)} │`);
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console.log('└─────────────────────────┴─────────────────┴─────────────────┴──────────────────┘\n');
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console.log('Additional Go Metrics:');
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console.log(` Allocations per icon: ${goResults.memory.allocsPerOp} allocs`);
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console.log(` Benchmark iterations: ${goResults.config.benchmarkIterations}\n`);
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console.log('Summary:');
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const faster = timeDelta < 0 ? 'Go' : 'JavaScript';
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const fasterPercent = Math.abs(timeDelta).toFixed(1);
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console.log(`• ${faster} is ${fasterPercent}% faster in CPU time`);
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const targetMet = Math.abs(timeDelta) <= 20;
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const targetStatus = targetMet ? 'MEETS' : 'DOES NOT MEET';
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console.log(`• Go implementation ${targetStatus} the target of being within 20% of jdenticon-js performance`);
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console.log(`• JS shows a heap increase of ${jsMemoryKB.toFixed(0)} KB for the batch of ${jsResults.config.numInputs} icons`);
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console.log(`• Go allocates ${goMemoryB} bytes per icon generation (different measurement methodology)`);
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console.log(`• Go has excellent memory allocation profile with only ${goResults.memory.allocsPerOp} allocations per icon`);
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if (targetMet) {
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console.log('\n✅ Performance target achieved! Go implementation is competitive with JavaScript.');
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} else {
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console.log('\n⚠️ Performance target not met. Consider optimization opportunities.');
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} |