Fix visual DP calculation for multi-node deployment - #1594
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双机各 8 卡、
--tp 16 --dp 16启动多模态模型时,视觉并行度按全局tp自动计算为 16,导致每台机器尝试访问 GPU 8–15,报CUDA error: invalid device ordinal。改为使用
tp // nnodes计算本机视觉并行度,使上述配置每台启动 8 个视觉实例。保持单机及视觉代理模式的现有行为。验证:Black、Flake8 和
git diff --check通过;现有启动参数测试 20 项通过。未新增测试,尚未执行双机端到端启动验证。