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如何解决FantasyTalking生成视频时的显存不足问题?

2025-08-24 1.0 K

Practical solutions to solve the problem of insufficient video memory

当使用FantasyTalking生成高质量视频时,显存不足是常见问题。以下是分步解决方案:

  • 降低输出参数:commander-in-chief (military)--image_size从默认720P降至512×512,同时减少--max_num_frames参数控制帧数
  • 启用VRAM优化:在运行命令中添加--low_vram参数(如果项目支持),或安装flash_attn加速库:pip install flash_attn
  • Hardware program:建议使用RTX3090(24GB)及以上显卡,多GPU环境下可尝试分布式计算
  • 云服务替代:通过Google Colab Pro等平台使用A100等高配GPU资源

实际测试表明,生成30秒720P视频约需20GB显存,参数调整后可降低至12GB左右

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