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Optimized parallel kernels in the scalars/scalars_mono #950

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merged 1 commit into from
Dec 16, 2021
Merged

Optimized parallel kernels in the scalars/scalars_mono #950

merged 1 commit into from
Dec 16, 2021

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Pranay-Reddy-Kommera
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Optimized all the OpenACC kernels in the atm_advance_scalars and atm_advance_scalars_mono of the mpas_atm_time_integration.F file.

@Pranay-Reddy-Kommera Pranay-Reddy-Kommera mentioned this pull request Dec 12, 2021
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@mgduda mgduda added Atmosphere OpenACC Work related to OpenACC acceleration of code labels Dec 16, 2021
@mgduda mgduda self-requested a review December 16, 2021 17:33
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mgduda approved these changes Dec 16, 2021
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I'm finding that the performance on CPUs (using the GNU 11 compilers) is 15% or more slower for the atm_advance_scalars and atm_advance_scalars_mono routines. But, we can investigate ways to maintain good CPU performance at a later time.

@mgduda mgduda merged commit 6a9a552 into MPAS-Dev:atmosphere/develop-openacc Dec 16, 2021
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