Performance optimizations for UUID v7 generator #5
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- Implement performance-optimized Node.js version (optimized.js) - Implement performance-optimized browser ESM version (optimized.mjs) - Add pre-allocated buffers to reduce memory allocation overhead - Implement random bytes pooling (1KB) to minimize crypto calls - Optimize Base64URL encoding algorithm - Add batch generation support for bulk operations - Achieve 321% performance improvement over original implementation 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <[email protected]>
- Add comprehensive test suite with node:test framework - Test UUID format validation and Base64URL encoding - Verify monotonicity within same millisecond - Test batch generation functionality - Add performance comparison tests - Create detailed benchmark suite comparing original vs optimized - Benchmark shows 321% performance improvement - All tests passing with proper code style compliance 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <[email protected]>
This commit refactors the optimized timestamp generator (`optimized.js`) to significantly improve both performance and code readability.
Key changes:
- Replaced the custom Base64URL encoder with the native and faster `buffer.toString('base64url')`.
- Removed the inefficient busy-wait loop (`waitNextMillisecond`) for handling sequence overflows. The generator now increments the timestamp, which is a more robust and CPU-friendly approach.
- Optimized sequence initialization by using random bytes from the pre-filled pool instead of making a separate call to `crypto.randomInt`.
- Simplified the timestamp writing logic by using `writeBigUInt64BE` for better performance and clarity.
These changes result in an ~8x performance improvement based on benchmark tests, while making the code easier to understand and maintain.
🚀 PR Updated with Major Performance Improvements!Just integrated the refactor commit from New Benchmark Results:
Key Changes from Refactor:
Comparison with PR #4:Our implementation now outperforms PR #4 for individual operations:
All tests still passing ✅ |
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Summary
This PR introduces significant performance optimizations for the UUID v7 generator implementation while maintaining full compliance with the UUIDv7 specification (RFC 9562).
Performance Improvements
Key Optimizations
Memory Management
Algorithm Improvements
Testing
All tests pass successfully:
Benchmark Results
Files Changed
Timestamp48/optimized.js- Optimized Node.js implementationTimestamp48/optimized.mjs- Optimized browser ESM implementationTimestamp48/test.js- Comprehensive test suiteTimestamp48/benchmark.js- Performance benchmarking toolsCompatibility
This implementation focuses on real-world performance while maintaining standards compliance, making it suitable for high-throughput production environments.