Comments (4)
收到,请问您是按照Quick Start中的Mistral的流程测试的,然后在convert的时候发现PP>1有问题是吧?
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我刚测试了下,我跑如下的PP=2的convert脚本并没有报错,您是不是再参考下QS里面的流程
sh model_convertor.sh ../../../ /mnt/mistral-ckpts/Mistral-7B-v0.1 /mnt/mistral-ckpts/Mistral-7B-v0.1-tp4-pp2 4 2 mistral-7b 0 false
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收到,请问您是按照Quick Start中的Mistral的流程测试的,然后在convert的时候发现PP>1有问题是吧?
您好,我是按照Megatron-LM-Dense模型训练流程的教程执行的。
转成mg格式的指令是sh model_convertor.sh ../../../ /mnt/mistral-ckpts/Mistral-7B-v0.1 /mnt/mistral-ckpts/Mistral-7B-v0.1-tp1-pp4 1 4 mistral-7b 0 false
但是启动训练脚本会出错。
====
同时,我还发现一个问题,目前我没法确定原因:
我在tp=4,pp=1的配置下,检验持续预训练的正确性。我使用的是Mistral-7B模型,数据只用了SlimPajama随机挑选的30G子集。batch_size我设置的是1M tokens,seq_len和padding_len均为4096。warmup 100步。
我发现:训练时前几步返回的loss 在4.0~5.0,但是能在50步之内下降到1.7左右。我通过打印token_id和word_emb,确认分词结果、加载模型参数均为正确。
我不能确定前几步loss值显著偏高的原因。
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PP>1问题已修复,烦请pull下最新的代码,这是PR,烦请Review:#185
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