Early versions of KNC chips have a bug where bits above 32 were
not properly set. We worked around this by only using the bottom
32 bits (out of 40 that should be available).
It turns out this workaround breaks overflow handling.
The buggy silicon will in theory never be used in production
Early versions of KNC chips have a bug where bits above 32 were
not properly set. We worked around this by only using the bottom
32 bits (out of 40 that should be available).
It turns out this workaround breaks overflow handling.
The buggy silicon will in theory never be used in production
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