Tag: Advanced
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Vectorized Order Book Processing: 5x Faster HFT Signals
Cut order book signal latency by 5x with NumPy vectorization. Real benchmarks on Binance L2 feeds, iceberg detection, and multi-asset correlation.
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High Discount Factor ฮณ=0.99 Causes Divergence: Fix Guide
Fix high discount factor ฮณ=0.99 divergence in RL with gradient clipping, reward scaling, and target networks. Practical debugging solutions.
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TFLite GPU Delegate Crashes on Jetson: XNNPACK Fix
Fix TFLite GPU delegate crashes on Jetson by switching to XNNPACK. Learn why GPU fails on ARM and how to optimize mobile inference performance.
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Test-Time Augmentation in Production: 3x Slower, 1.2% Better
TTA promises better accuracy but costs 5x GPU budget. Real benchmarks from defect detection, medical imaging, and ImageNet show when it's worth it.
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Stop Using Temperature 0 for LLM Evals: Why It Breaks Benchmarks
Temperature 0 breaks LLM evals by hiding variance and selecting for memorization. Here's why you should sample at 0.5 instead โ with real accuracy gaps.
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__post_init__ vs __new__ vs __init__: When Order Matters
Learn when to use __post_init__, __new__, or __init__ in Python dataclasses and classesโmaster initialization order to prevent subtle bugs.
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Trading Fees Kill 73% of Backtest Alpha: Real Slippage Data
Trading fees destroy most backtest profits. Learn how slippage models reveal the 3 hidden costs pros trackโand retail traders miss.