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of memory. Latency can be expressed in clock cycles or in time measured in nanoseconds. Over time, memory latencies expressed in clock cycles have been fairly stable, but they have improved in time.
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cells. Latency is therefore a fundamental measure of the speed of memory: the less the latency, the faster the reading operation.
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Latency: Why CAS latency isn't an accurate measure of memory performance"
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module. Modern DDR4 DIMMs have latencies under 15 ns.
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Analogy of the Effects of Memory Latency
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