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Topic Title: Atomic reads and writes to memory
Topic Summary: Do AMD Athlon/Opteron behave similarly to Intel IA-32 with respect to atomic read/write operations
Created On: 04/17/2008 08:06 PM
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 04/17/2008 08:06 PM
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tjb
Junior Member

Posts: 1
Joined: 04/17/2008

Intel IA-32 architectures behave in a way such that a 32-bit write to a memory location that is aligned on a 32-bit boundary will be an atomic operation. I have not been able to confirm that this is also true on the AMD Athlon and AMD Opteron chips. Does anyone know if this is a safe assumption. Also, is there an AMD document that states this fact?
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