[Speed] Refine elementwise sub,div,min,max gradient functor #8820
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chengduoZH
changed the title
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maybe the title should be |
chengduoZH
changed the title
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@jacquesqiao Thanks |
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Could you please show the performance improvement between these two versions code? |
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@QiJune I did not do some experiment but from the results of optimized elementwise_add_grad and elementwise_mul_grad, it will improve nearly ten times. |
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fix #8821
related issue #8811