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0 pointsiscoelho1y ago0 comments

100% on the business implications. Although a lot of engineers never have to touch it, DMA (& zero-copy) implementations are foundational to the performance of modern day computers that we sometimes take for granted.

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hinkley1y ago

The hard drive was running so slow I exclaimed “it’s almost like this drive is running in PATA mode.”

It was. Motherboard and CPU were newer than the VxWorks version and it was running in compatibility mode. We treated it like the previous hardware revision it was backward compatible with and 30% more throughput like magic. Exactly as predicted.

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0 pointsiscoelho1y ago0 comments

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hinkley1y ago

The hard drive was running so slow I exclaimed “it’s almost like this drive is running in PATA mode.”

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