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[BUG] <title>多图单轮对话全量SFT,loss 变为零 #679
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我也遇到了单轮对话全量SFT,loss 变为零的情况,8卡训练会一直出现,4卡训练基本不出现 |
遇到了单论对话lora sft,loss 从step2 开始就为0的情况 8卡训练出现,单卡训练不出现 |
把 tune vision 设置为 false 之后这个问题不再出现了 |
有没有可能是设置的有效长度太短,导致loss都不计算了 |
这种情况应该不会后面loss全都变零 |
Changing full fine-tuning to lora fine-tuning works for me. |
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是否已有关于该错误的issue或讨论? | Is there an existing issue / discussion for this?
该问题是否在FAQ中有解答? | Is there an existing answer for this in FAQ?
当前行为 | Current Behavior
训练过程中 loss 突然降为零
期望行为 | Expected Behavior
No response
复现方法 | Steps To Reproduce
No response
运行环境 | Environment
备注 | Anything else?
No response
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