Use CUDAPinnedPlace in buffered_reader #19112
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added 2 commits
August 9, 2019 21:16
test=develop
test=develop
chenwhql
approved these changes
Aug 14, 2019
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Make data transmission and model calculation overlap to make data transmission and model calculation overlap.
fast_resnetmodel(multi-process 4x8 cards) has increased by about 5%.SE_ResNeXt50_32x4dmodel(single-process 8 cards) has increased by about 2.8%.TransformerBasemodel(single-process 8 cards) has increased by about 1.9%.TransformerBasemodel(single-process 1 cards) has increased by about 3..0%.