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Task #3057

re-enable fusion on Power8/9

Added by Szilárd Páll about 1 month ago.

Status:
New
Priority:
Normal
Assignee:
Szilárd Páll
Category:
build system
Target version:
2020
Difficulty:
uncategorized
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Description

IBM has contributed fixes for the -mpowerX-fuxion optimization-related bug in gcc which will be released with version 9.2. The fix should be verified and flags for Power 8 and 9 added back to restore performance.

Related issues

Related to GROMACS - Bug #2747: nb_kernel_ElecEwSw_VdwBhamSw_GeomW4W4 regressiontest failing on Power8Closed
Related to GROMACS - Bug #2746: regressiontests/freeenergy coulandvdwsequential_vdw failing on Power8Closed
Related to GROMACS - Bug #2734: regressiontests/kernel core dumps on ppc64leIn Progress

History

#1 Updated by Szilárd Páll about 1 month ago

  • Related to Bug #2747: nb_kernel_ElecEwSw_VdwBhamSw_GeomW4W4 regressiontest failing on Power8 added

#2 Updated by Szilárd Páll about 1 month ago

  • Related to Bug #2746: regressiontests/freeenergy coulandvdwsequential_vdw failing on Power8 added

#3 Updated by Szilárd Páll about 1 month ago

  • Related to Bug #2734: regressiontests/kernel core dumps on ppc64le added

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