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[fix] resolve issue for single non-batch index tensor in aten::index #1700

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merged 1 commit into from
Mar 7, 2023

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mfeliz-cruise
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Description

For a single index tensor the aten::index converter previously assumed that this always indexed the batch dimension. Use the adv_idx_indices to find the dimension it actually indexes instead.

Fixes # (issue)

Type of change

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  • Bug fix (non-breaking change which fixes an issue)

Checklist:

  • My code follows the style guidelines of this project (You can use the linters)
  • I have performed a self-review of my own code
  • I have commented my code, particularly in hard-to-understand areas and hacks
  • I have made corresponding changes to the documentation
  • I have added tests to verify my fix or my feature
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@github-actions github-actions bot added component: conversion Issues re: Conversion stage component: converters Issues re: Specific op converters component: core Issues re: The core compiler component: tests Issues re: Tests labels Feb 27, 2023
Comment on lines +1100 to +1103
%5 : NoneType = prim::Constant()
%18 : Tensor?[] = prim::ListConstruct(%5, %index0)
%19 : Tensor = aten::index(%x.1, %18)
return (%19))IR";
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@mfeliz-cruise Can you let me know the original pytorch code that generated this graph ?

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input_tensor = input_tensor[:, [2, 1, 0], ...]

@mfeliz-cruise mfeliz-cruise requested review from peri044 and removed request for narendasan February 28, 2023 22:50
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LGTM

@peri044 peri044 merged commit d01a40b into pytorch:main Mar 7, 2023
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3 participants