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champtar
on Jan 19, 2024
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How much memory bandwidth do large Amazon instance...
Number of DIMM is important, I know the standard BOM at my company has way more memory that we use just to have more bandwidth.
sliken
on Jan 21, 2024
[–]
Bandwidth increases nearly linearly with adding dimms until you get to 1 dimm per memory channel. After that there's very small improvements related to more open pages. More open pages doesn't help with pure bandwidth benchmarks though.
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