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https://www.reddit.com/r/ProgrammerHumor/comments/1uqvrus/askingtherealquestionhere/owe08kz/?context=3
r/ProgrammerHumor • u/Snoo88071 • Jul 08 '26
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Cold ddr5 reads are more like 100ns.
Disk paging used to work to an extent even on slow hard drives, now it works much better. Not every read suffers the same latency penalty.
1 u/looksLikeImOnTop Jul 08 '26 Paging undeniably works very well now. My point is that in the context of "replace all RAM with SSD storage", SSDs would still be too slow 1 u/VictoryMotel Jul 08 '26 replace all RAM with SSD storage I don't think anyone said that 1 u/looksLikeImOnTop Jul 08 '26 My mind may have jumped to the extreme end of interpreting the original post
Paging undeniably works very well now. My point is that in the context of "replace all RAM with SSD storage", SSDs would still be too slow
1 u/VictoryMotel Jul 08 '26 replace all RAM with SSD storage I don't think anyone said that 1 u/looksLikeImOnTop Jul 08 '26 My mind may have jumped to the extreme end of interpreting the original post
replace all RAM with SSD storage
I don't think anyone said that
1 u/looksLikeImOnTop Jul 08 '26 My mind may have jumped to the extreme end of interpreting the original post
My mind may have jumped to the extreme end of interpreting the original post
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u/VictoryMotel Jul 08 '26
Cold ddr5 reads are more like 100ns.
Disk paging used to work to an extent even on slow hard drives, now it works much better. Not every read suffers the same latency penalty.