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[IR] Move "lower_access" after "offload" #1194

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merged 1 commit into from
Jun 9, 2020

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xumingkuan
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Related PR = #1180

benchmark20200608_4

In order to achieve similar performance, I added some optimization passes.

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@xumingkuan
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Removing Simplify II here won't affect the resulting number of statements, but it looks weird to me not having full_simplify before offload.

@xumingkuan xumingkuan requested a review from yuanming-hu June 9, 2020 03:47
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Thank you! LGTM.

Removing Simplify II here won't affect the resulting number of statements, but it looks weird to me not having full_simplify before offload.

We actually do want a simplification there: lower_access may lead to a lot of instruction that slows down future passes. It would be good to use Simlification II to reduce the number of instruction early before lower_access.

@yuanming-hu yuanming-hu changed the title [IR] Move "lower_access" to after "offload" [IR] Move "lower_access" after "offload" Jun 9, 2020
@yuanming-hu yuanming-hu merged commit a0e4871 into taichi-dev:master Jun 9, 2020
@yuanming-hu yuanming-hu mentioned this pull request Jun 10, 2020
@xumingkuan xumingkuan deleted the move branch June 10, 2020 20:30
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2 participants