feat(multimodal): add COINCIDE selector and improve ICONS training - #65
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Add the COINCIDE selector, component registration, and selection configs. Update ICONS selection and DeepSpeed batch device handling. Add full fine-tuning configs.
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概述
新增 COINCIDE 在线动态数据选择器，通过概念与技能特征聚类、基于迁移性与密度的采样预算分配，以及簇内贪心 MMD 采样，为多模态指令微调选择训练子集。COINCIDE 论文（arXiv:2406.10995）
同时，调整 ICONS 在 DeepSpeed ZeRO-3 下的梯度采集、设备放置与分布式同步逻辑，并补充 LoRA、全参数微调及 SFT 示例配置。
主要改动
src/dataflex/train/selector/coincide_selector.pysrc/dataflex/train/selector/icons_selector.pysrc/dataflex/train/selector/__init__.pysrc/dataflex/configs/components.yamlcoincide组件及参数配置examples/train_lora/selectors/coincide.yamlexamples/train_lora/selectors/icons.yamlexamples/train_full/selectors/coincide.yamlexamples/train_full/selectors/icons.yamlexamples/train_full/sft/multimodal_fullsft.yaml使用方式
COINCIDE LoRA 微调
COINCIDE 全参数微调
ICONS 全参数微调