Remove tensor copy in the update_loss_scaling op. #29426
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phlrain
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Dec 7, 2020
phlrain
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Dec 10, 2020
wzzju
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Jan 11, 2021
* remove tensor copy in the update_loss_scaling op * not use thrust. * fix some cuda memory access error.
lanxianghit
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Jan 11, 2021
* Support pure fp16 training for AMP API. (#29544) * add cast ops before and after unsupported fp16 ops. * Keep partial net in FP32 pattern. * Support check_finite_and_unscale and update_loss_scaling for FP16 calculation mode. * Add fp16 support for adam op. * add multi precision attr for adam. * Fix the bug of test_multi_precision_fp16_train UT. * Code format for CI. * Fix the redefine error about MPTypeTrait on windows. * fix bugs of the _create_accumulators func in Momentum. * fix bug when inserting post cast op. * Add the update_loss_scaling op in allow_set of UnusedVarCheck. * Update for ci coverage. * Add some doc for OptimizerWithMixedPrecision. * Fix the code style. * Imporve the doc of `amp_init`. * Change for fp16 testing if users have the infer program defined in separate way. * Remove tensor copy in the update_loss_scaling op. (#29426) * remove tensor copy in the update_loss_scaling op * not use thrust. * fix some cuda memory access error.
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PR types
Performance optimization
PR changes
OPs
Describe
Remove tensor copy in the update_loss_scaling op.
Batch Size = 128
Batch Size = 208
