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【pir】support test_while_api case with same loop_vars and extra input by xiaoguoguo626807 · Pull Request #60262 · PaddlePaddle/Paddle · GitHub
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【pir】support test_while_api case with same loop_vars and extra input #60262
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Merged
xiaoguoguo626807
merged 33 commits into
PaddlePaddle:develop
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xiaoguoguo626807:while_3
Dec 26, 2023
Merged
【pir】support test_while_api case with same loop_vars and extra input #60262
xiaoguoguo626807
merged 33 commits into
PaddlePaddle:develop
from
xiaoguoguo626807:while_3
Dec 26, 2023
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你的PR提交成功，感谢你对开源项目的贡献! |
winter-wang
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Dec 25, 2023
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LGTM
changeyoung98
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LGTM
Wanglongzhi2001
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Jan 7, 2024
…addlePaddle#60262) * optimize backward * [PIR] add vjp interface for while op * [PIR] fix ci error. * modify while stopgradient * merge * modify while grad bug * modify while grad op * modify * increment vp * [PIR] add get_used_external_value interface for block. * while case * delete print * delete print * Update python/paddle/autograd/ir_backward.py * [PIR] add unit_test for get_used_external_value * modify while_loop * code_style * modofy ci bug * modify while api * modify ci * Update python/paddle/autograd/ir_backward.py --------- Co-authored-by: winter-wang <1030748926@qq.com>
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Description
pcard-67164
支持loop_var 和 extra input 不同的梯度聚合方式：
loop_var的反向起点是while 输出的梯度，extra 的反向起点为父block中state存的梯度， 若无需要创建zero_grad 但是存放在sub_State中，因为父state的梯度是while的输出，此时还未创建。反向图如下：