Yeah optane might just make RAM obsolete except for high end gaming rigs or productivity stations
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Replying to @david_kenneth_d
That will be very interesting! But it will be awfully hard to compete with the speed and cost of DRAM. Best to tackle the long-term storage layer first
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Replying to @HbdNrx @david_kenneth_d
Although perhaps we would see DRAM basically shrink to a (say) 2GB cache for the main Optane storage given the relatively high cost of DRAM
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Replying to @david_kenneth_d
I suppose the real problem with this model is dealing with it conceptually & in software. We're just so used to having our storage and our working memory separate, but this becomes a unified model
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Replying to @HbdNrx
true, I bet it'd just be mostly a fenced off portion to be addressed as short term mem, not much change in software interfacing otherwise
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Replying to @david_kenneth_d
I guess the first thing if it really is close to DRAM speed is a switch from eg 8 GB DRAM + 500 GB SSD with a small page file on the SSD to 2 GB DRAM + 500 GB Optane with a large page file on the Optane. Which would perform better and be cheaper?
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Replying to @HbdNrx
just depends on how fast optane is relative to the SSD
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Replying to @david_kenneth_d @HbdNrx
The PCI-E SSDs are several gigabytes a second and climbing
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Replying to @david_kenneth_d @HbdNrx
last time I benchmarked my dram it was 14 gbs and that was almost a decade ago. I'd bet most programs for ordinary people don't need a tenth of that even today
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Interesting possibility of ditching the RAM completely if people really don't need the speed
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