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【Operator Mechanism】add fused_stack_transpose_quant api by ggggxm · Pull Request #73228 · PaddlePaddle/Paddle · GitHub
lshpku
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【Operator Mechanism 】add fused_stack_transpose_quant api
【Operator Mechanism】add fused_stack_transpose_quant api
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ggggxm
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还有为啥要把一个tensor resize成自己的dims？这样会产生什么变化吗
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Merged
zhangbo9674
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Jun 14, 2025
Merged
【Operator Mechanism】add fused_stack_transpose_quant api #73228
zhangbo9674
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Jun 14, 2025
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你的PR提交成功，感谢你对开源项目的贡献! |
lshpku
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zhangbo9674
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paddle/phi/ops/yaml/ops.yaml
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| @@ -2382,6 +2382,24 @@ | |||
| backward: fused_softmax_mask_upper_triangle_grad | |||
| interfaces : paddle::dialect::InferSymbolicShapeInterface | |||
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| - op : fused_stack_quant | |||
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有一个专门存放融合算子的：paddle/phi/ops/yaml/fused_ops.yaml
| #include <iostream> | ||
| #include <limits> | ||
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| // #include "paddle/extension.h" |
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delete unused code
| } \ | ||
| } | ||
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| // 对二维坐标进行swizzle变换，提供相对offset,避免bank conflict |
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中文注释清理一下
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paddle/phi/infermeta/multiary.cc
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| @@ -6245,6 +6245,108 @@ void FullWithTensorInferMeta(const IntArray& shape, | |||
| out->set_dtype(dtype); | |||
| } | |||
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| std::tuple<int64_t, int64_t, int64_t> FusedStackQuantCommonCheck( | |||
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放到fusion.h/.cc中
paddle/phi/infermeta/multiary.h
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| std::tuple<int64_t, int64_t, int64_t> FusedStackQuantCommonCheck( | ||
| const std::vector<const MetaTensor*>& x); |
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非InferMeta函数不用把声明加到.h
| @@ -0,0 +1,84 @@ | |||
| # Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved. | |||
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2023 -> 2025
python/paddle/nn/functional/fp8.py
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| """ | ||
| if in_dynamic_mode(): |
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dynamic or pir mode
python/paddle/nn/functional/fp8.py
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| else: | ||
| return _C_ops.fused_stack_quant(x) | ||
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| else: |
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else分支去掉
lshpku
reviewed
Jun 13, 2025
Comment on lines
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| dev_ctx.template Alloc<phi::dtype::float8_e4m3fn>(out); | ||
| dev_ctx.template Alloc<float>(scale); | ||
| auto out_dims = out->dims(); | ||
| out->Resize(out_dims); | ||
| auto scale_dims = scale->dims(); | ||
| scale->Resize(scale_dims); |
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一般是先resize才alloc：
Paddle/paddle/fluid/framework/operator.h
Lines 594 to 597 in c999558
| phi::DenseTensor tmp; | |
| tmp.Resize(dim); | |
| dev_ctx.template Alloc<T>(&tmp); | |
| return tmp; |
还有为啥要把一个tensor resize成自己的dims？这样会产生什么变化吗
ggggxm
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zyfncg
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Jun 13, 2025
zhangbo9674
previously approved these changes
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LGTM
This reverts commit 06ca104.
lshpku
approved these changes
Jun 14, 2025
zhangbo9674
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Jun 14, 2025
zyfncg
approved these changes
Jun 14, 2025
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PR Category
Operator Mechanism
PR Types
New features
Description
新增fused_stack_transpose_quant和fused_stack_quant支持