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显存几乎沾满，利用率却很低 #390

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zhishui3 opened this issue Aug 16, 2021 · 2 comments
Open

显存几乎沾满，利用率却很低 #390

zhishui3 opened this issue Aug 16, 2021 · 2 comments

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@zhishui3
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不管数据量有多大，显存本身24000MB 多 占用了23000MB多(并且这个数量不变)，请问这是怎么回事啊？
用了各种方式都不管用：1、tf.data.TFRecordDataset.cache()，2、tf.data.TFRecordDataset.shard，3、把tf_record 分成多份读取，4、epoch 和batch_size 分别改成 1和16，
最后只能用 session_config.gpu_options.per_process_gpu_memory_fraction
@macanv 求大佬指点！
@sharipp132
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俺也一样

@Anthony-BGST
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请问你验证用了多久？

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@zhishui3 @Anthony-BGST @sharipp132