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【dygraph】add python API of Grad api by xiaoguoguo626807 · Pull Request #70937 · PaddlePaddle/Paddle · GitHub
xiaoguoguo626807
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【dyraph】add python API of Grad api
【dygraph】add python API of Grad api
Jan 26, 2025
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【dygraph】add python API of Grad api #70937
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Merged
xiaoguoguo626807
merged 15 commits into
PaddlePaddle:develop
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xiaoguoguo626807:grad_api
Jan 26, 2025
Merged
【dygraph】add python API of Grad api #70937
xiaoguoguo626807
merged 15 commits into
PaddlePaddle:develop
from
xiaoguoguo626807:grad_api
Jan 26, 2025
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xiaoguoguo626807
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zyfncg
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Jan 26, 2025
SigureMo
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LGTMeow
| x_grad_check = x.grad | ||
| w1_grad_check = layer.w1.grad | ||
| b1_grad_check = layer.b1.grad | ||
| assert np.allclose(x_grad.numpy(), x_grad_check.numpy()) |
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后续可以改成 np.testing.assert_allclose
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PR Category
Execute Infrastructure
PR Types
Improvements
Description
pcard-67164
支持使用paddle._C_ops.xxx_grad 调用反向算子。没有对全部api 进行完备验证。
不支持xxx_double_grad 等调用，建议用前向算子组合
支持高阶node 的构建，但是未验证。
修改不规范的yaml
TODO:
fused / sparse 反向api 的生成
inplace 机制的适配，由于反向api 识别时用的是其下一阶yaml 中的forward 配置，配置的参数名称和其inplace 中的名称不同导致无法生成正确的结果。
特殊op 适配
"multiply_grad", 可以用前向api组，不适配
"scale_grad", 可以用前向api组，不适配
"embedding_grad", 需要手写
"cudnn_lstm_grad",生成有误，需要手写
"pull_sparse_v2_grad",是push_sparse_v2 算子， 原先被禁用
"conv2d_grad" 原先就被禁用
"push_gpups_sparse",原先就被禁用