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[X86] SkylakeServer scheduler model doesn't account for port 0 and 1 being joined for 512 bit operations #36176

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[X86] SkylakeServer scheduler model doesn't account for port 0 and 1 being joined for 512 bit operations#36176
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backend:X86backend:X86 Scheduler ModelsAccuracy of X86 scheduler modelsbugzillaIssues migrated from bugzilla
@topperc

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@topperc
topperc
opened on Mar 20, 2018
Bugzilla Link 36828
Version trunk
OS Windows NT
Blocks #31672
CC @adibiagio,@fhahn,@RKSimon

Extended Description

I'm not sure how to model this in the scheduler, but 512 bit ALU instructions need to go out on port 0 and 1 simultaneously or on port 5.

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    backend:X86backend:X86 Scheduler ModelsAccuracy of X86 scheduler modelsbugzillaIssues migrated from bugzilla

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