remove final set_value OP in combined-indexing setting #60983
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eee4017
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…60983) * remove setvalue in combined indexing set * using combined-setting case to test
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…60983) * remove setvalue in combined indexing set * using combined-setting case to test
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…60983) * remove setvalue in combined indexing set * using combined-setting case to test
XiaoguangHu01
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* tensor_array slice in PIR (#60503) * use slice_array, now will meet error of destory opresult still in use * disable the pir test until the bug fixed * Optimize advanced setting by remove the last set_value (#60771) * pure-advanced setitem will not set_value back * fix multi output in tensor_array_pir * only in dynamic mode * add only advanced-setting case to fix coverage * fast pass for bool setitem (#61021) * fast pass for bool setitem * fix 0-size value case * remove final set_value OP in combined-indexing setting (#60983) * remove setvalue in combined indexing set * using combined-setting case to test * Optimize index put preprocess (#61060) * reduce vector operations when no bool index * reduce vector in index_put * reduce vector operations * no change for value * fix shape error in combine-getitem (#61922)
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PR types
Performance optimization
PR changes
Others
Description
Pcard-66985
For combined indexing setting case of dynamic mode, e.g.
x[1, [0,1]] = value, we will deal it as following step:x'=x[1]set_value.In our plan , if
xhas changed byvalue, the backward should contain it too.But for now., in step 2, the x cannot know whether it has been changed by other operators. It will only backward to the OP which generated it instead of which modified it.
In past , the step 3 is aiming to build a backward edge between
valueandx. But the performance suffers because of unnecessary forward overwrite.This PR is to optimize this case by remove the final
set_value_with_tensor, only keeping the backward part , to build a edge between value and x.