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add split_ids_op #9372

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jacquesqiao opened this issue Mar 26, 2018 · 0 comments · Fixed by #9370
Closed

add split_ids_op #9372

jacquesqiao opened this issue Mar 26, 2018 · 0 comments · Fixed by #9370

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@jacquesqiao
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jacquesqiao commented Mar 26, 2018 •
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split_ids_op is used to split a LoDTensor of Ids with shape [batch_size, 1] to multiple LoDTensor by shard_id. shard_id is get by:

// shard_num is the number of pserver now
shard_id = id % shard_num;

split_ids_op is used to compose a prefetch_op

prefetch_op = split_ids_op -> send_receive_op -> concat_op
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add split ids op jacquesqiao/Paddle
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