[API compatibility] Add Tensor.is_cuda and paddle.Size

[zhanghonggeng]

PR Category

User Experience

PR Types

New features

Description

Add Tensor.is_cuda and paddle.Size

pcard-67164

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[zhwesky2010]

可以把
torch.Size([2, 3]).count(2)
torch.Size([2, 3]).index(3, 0)

这两种用法测一下

[zhwesky2010]

LGTM

[codecov-commenter]

Codecov Report

❌ Patch coverage is 96.49123% with 2 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (develop@01f5572). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
python/paddle/pir/math_op_patch.py	87.50%	1 Missing ⚠️
python/paddle/tensor/size.py	97.82%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             develop   #75043   +/-   ##
==========================================
  Coverage           ?   96.49%           
==========================================
  Files              ?        3           
  Lines              ?       57           
  Branches           ?        0           
==========================================
  Hits               ?       55           
  Misses             ?        2           
  Partials           ?        0           

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[zhwesky2010]

看覆盖率还有一些没过，得加点pir下的单测

[XiaoguangHu01]

LGTM