Production failures related to AMD vs Intel differences

[mandrenguyen]

This is issue is to keep track of differences of investigations into AMD vs Intel differences.
These are being solved with various workarounds, but a dedicated issue linking the individual ones seems warranted for deeper investigations.
The recent issues that I'm aware of are:
#45190
#45189
#45520

[mandrenguyen]

assign core, reconstruction

[cmsbuild]

New categories assigned: core,reconstruction

@Dr15Jones,@jfernan2,@makortel,@mandrenguyen,@smuzaffar you have been requested to review this Pull request/Issue and eventually sign? Thanks

[cmsbuild]

cms-bot internal usage

[cmsbuild]

A new Issue was created by @mandrenguyen.

@Dr15Jones, @antoniovilela, @makortel, @mandrenguyen, @rappoccio, @sextonkennedy, @smuzaffar can you please review it and eventually sign/assign? Thanks.

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[iarspider]

@mandrenguyen did you mean "AMD vs Intel differences"?

[mandrenguyen]

@mandrenguyen did you mean "AMD vs Intel differences"?

Oops, yes, fixed

[makortel]

Maybe it would be time to test the impact of ofast-flag to these differences and to throughput.

[dan131riley]

Can we get an IB where ofast-flag is a noop?

[smuzaffar]

@makortel @dan131riley , We now have CMSSW_14_1_NOOFAST_X_2024-07-31-1100 IB which is build without ofast-flag