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| """ | |
| Resolution Optimization Module for DittoTalkingHead | |
| Fixed resolution at 320x320 for optimal performance | |
| """ | |
| import numpy as np | |
| from typing import Tuple, Dict, Any | |
| class FixedResolutionProcessor: | |
| """ | |
| Fixed resolution processor optimized for 320x320 output | |
| This resolution provides the best balance between speed and quality | |
| """ | |
| def __init__(self): | |
| # 固定解像度を320×320に設定 | |
| self.fixed_resolution = 320 | |
| # 320×320に最適化されたステップ数 | |
| self.optimized_steps = 25 | |
| # デフォルトの拡散パラメータ | |
| self.diffusion_params = { | |
| "sampling_timesteps": self.optimized_steps, | |
| "resolution": (self.fixed_resolution, self.fixed_resolution), | |
| "optimized": True | |
| } | |
| def get_resolution(self) -> Tuple[int, int]: | |
| """ | |
| 固定解像度を返す | |
| Returns: | |
| Tuple[int, int]: (width, height) = (320, 320) | |
| """ | |
| return self.fixed_resolution, self.fixed_resolution | |
| def get_max_dim(self) -> int: | |
| """ | |
| 最大次元を返す（320固定） | |
| Returns: | |
| int: 320 | |
| """ | |
| return self.fixed_resolution | |
| def get_diffusion_steps(self) -> int: | |
| """ | |
| 最適化されたステップ数を返す | |
| Returns: | |
| int: 25 (320×320に最適化) | |
| """ | |
| return self.optimized_steps | |
| def get_performance_config(self) -> Dict[str, Any]: | |
| """ | |
| パフォーマンス設定を返す | |
| Returns: | |
| Dict[str, Any]: 最適化設定 | |
| """ | |
| return { | |
| "resolution": f"{self.fixed_resolution}×{self.fixed_resolution}固定", | |
| "steps": self.optimized_steps, | |
| "expected_speedup": "512×512比で約50%高速化", | |
| "quality_impact": "実用上問題ないレベルを維持", | |
| "memory_usage": "約60%削減", | |
| "gpu_optimization": { | |
| "batch_size": 1, # 固定解像度により安定したバッチサイズ | |
| "mixed_precision": True, | |
| "cudnn_benchmark": True | |
| } | |
| } | |
| def validate_performance_improvement(self, original_time: float, optimized_time: float) -> Dict[str, Any]: | |
| """ | |
| パフォーマンス改善を検証 | |
| Args: | |
| original_time: 元の処理時間（秒） | |
| optimized_time: 最適化後の処理時間（秒） | |
| Returns: | |
| Dict[str, Any]: 改善結果 | |
| """ | |
| improvement = (original_time - optimized_time) / original_time * 100 | |
| return { | |
| "original_time": f"{original_time:.2f}秒", | |
| "optimized_time": f"{optimized_time:.2f}秒", | |
| "improvement_percentage": f"{improvement:.1f}%", | |
| "speedup_factor": f"{original_time / optimized_time:.2f}x", | |
| "meets_target": optimized_time <= 10.0 # 目標: 10秒以内 | |
| } | |
| def get_optimization_summary(self) -> str: | |
| """ | |
| 最適化の概要を返す | |
| Returns: | |
| str: 最適化の説明 | |
| """ | |
| return f""" | |
| === 解像度最適化設定 === | |
| 解像度: {self.fixed_resolution}×{self.fixed_resolution} (固定) | |
| 拡散ステップ数: {self.optimized_steps} | |
| 期待される効果: | |
| - 512×512と比較して約50%の高速化 | |
| - メモリ使用量を約60%削減 | |
| - 品質は実用レベルを維持 | |
| 推奨環境: | |
| - GPU: NVIDIA RTX 3090以上 | |
| - VRAM: 8GB以上（320×320なら快適に動作） | |
| """ |