You already grok these latency numbers, right?
From Jonas Boner, Jeff Dean, and Peter Norvig, we have this awesome gist showing latency numbers for different types of data access
The numbers pretty much speak for themselves, and its always good to hammer home exactly how bad a disk access is. That said, an L1 cache-miss is a 14x hit! Wild...
Heres the same data visualized (from ayshen)...
(click to embiggen)
The numbers pretty much speak for themselves, and its always good to hammer home exactly how bad a disk access is. That said, an L1 cache-miss is a 14x hit! Wild...
Heres the same data visualized (from ayshen)...
(click to embiggen)
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