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reduce support big tensor by wanghuancoder · Pull Request #71970 · PaddlePaddle/Paddle · GitHub
wanghuancoder
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xiaoguoguo626807 and
JiabinYang
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April 1, 2025 11:28
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reduce support big tensor #71970
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Merged
wanghuancoder
merged 20 commits into
PaddlePaddle:develop
from
wanghuancoder:reduce_support_big_tensor
Apr 23, 2025
Merged
reduce support big tensor #71970
wanghuancoder
merged 20 commits into
PaddlePaddle:develop
from
wanghuancoder:reduce_support_big_tensor
Apr 23, 2025
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你的PR提交成功，感谢你对开源项目的贡献! |
wanghuancoder
requested review from
xiaoguoguo626807 and
JiabinYang
as code owners
… reduce_support_big_tensor
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Sorry to inform you that bddf7db's CIs have passed for more than 7 days. To prevent PR conflicts, you need to re-run all CIs manually. |
… reduce_support_big_tensor
lshpku
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Apr 23, 2025
XiaoguangHu01
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LGTM
YqGe585
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May 7, 2025
* reduce support big tensor
wanghuancoder
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* reduce support big tensor
wanghuancoder
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Jun 3, 2025
* refine forrange (#72360) * refine forrange * refine forrange * reduce support big tensor (#71970) * reduce support big tensor * [PHI] Fix gridDim limit for reduce kernel (#72507) * [API] isclose support bigtensor (#72516) * isclose support bigtensor * refine * [API] isnan isinf isfinite support bigtensor (#72517) * isnan isinf isfinite support bigtensor * refine * [PHI] Fix cum kernel for big tensor (#72562) * [PHI] Preliminary fix for elementwise broadcast int32 shape overflow (#72584) * [PHI] Align linalg.solve kernel with torch (#72608) * Update strided copy kernel (#72662) * [PHI] Fix grid sample kernel for big tensor (#72628) * [PHI] Fix argsort big tensor bug (#72712) * [PHI] Fixed argsort big tensor bug * [PHI] Fixed shape mismatch problem. * [PHI] Fix contiguous kernel for big tensor (#72705) * [PHI] Fix flatten and split kernel for big tensor (#72634) * [PHI] Fix out-of-bound issue of paddle.take_along_axis (#72757) * [PHI] fix paddle.diag with big tensor (#72638) * [API] fix paddle.cross with big tensor (#72652) * [PHI] Fix paddle.where api for big tensor (#72717) * [PHI] Fix bincount kernel for big tensor (#72706) * fix bincount kernel for big tensor * use HostAlloc to alloc memory * add cpu test case * [PHI] Fix full_like kernel for big tensor (#72831) * [API] Fix int overflow and float16 support for paddle.frac (#72815) * [PHI] Align paddle.inner with torch in matmul logic (#72843) * [PHI] Fix paddle.var & paddle.std float16 overflow (#72650) * [PHI] Fix logsumexp precision problem (#72681) * [PHI] Debug for logsumexp, bug source found * [PHI] Removed GetNumBlocks func to get correct logsumexp * [PHI] Removed redundant debug VLOG * [PHI] Elegant grid bounded solution * [Accuracy diff No.55-56、76-77] Fix accuracy diff for var&std API (#72879) * [Accuracy diff No.21] Fix accuracy diff for heaviside API (#72894) --------- Co-authored-by: Shuhao Liang <50269654+lshpku@users.noreply.github.com> Co-authored-by: Qianyue He <46109954+Enigmatisms@users.noreply.github.com> Co-authored-by: Lei Ding <69283446+Dmovic@users.noreply.github.com> Co-authored-by: ggggxm <66855582+ggggxm@users.noreply.github.com> Co-authored-by: xkkkkkk23 <xiekeke@baidu.com> Co-authored-by: Zx <zhangxiao35@baidu.com> Co-authored-by: huangjiyi <43315610+huangjiyi@users.noreply.github.com> Co-authored-by: ooo oo <106524776+ooooo-create@users.noreply.github.com>
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PR Category
Execute Infrastructure
PR Types
Bug fixes
Description
reduce相关Kernel支持 big tensor，本PR可以使728个大Tensor失败用例中726个用例测试通过。具体测试用例见：
big tensor reduce error case.txt
不能通过的case为：
报精度问题，本PR先合入，另外两个问题另提PR修复。
此外，还有大量API/Kernel依赖phi::funcs::ReduceKernel，应该都会有改善。
本PR涉及的改动包括：
Paddle的max、min与Torch存在diff：
未修改前：
Paddle不可能将max、min修改为提供索引，因为这属于不兼容升级，目前看没有这个必要。本次修改后行为如下：
max_grad、min_grad，copy和均分的diff如下：
因此，均分的运算量更大，以paddle.max(Tensor([20010241024],"float32"))为例，max_grad耗时上升73.46%。
此外：
Pcard-67164