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b/c the applications that care the most about these types of errors (big iron networking, and mil/aero) implement software error correction in the processor. It's not worth spending the extra money in final test when commodity DRAM is, well, a commodity.

Yes, ECC memory, although it's mostly implemented by the chipset and DRAM modules, with only a small part of it being in the processor.

Thanks for the clarification John.

commodity DRAM is, well, a commodity.

You're essentially saying that producing DRAM that doesn't work like memory should, regardless of access pattern, is excusable because it's "commodity"?

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