2 ms·
To be pedantic because its fun: The random access Latency for L1 is indeed ~4 cycles, but RAM is more like 70ns+ (so you are .5 order of magnitude off, how dar
by Sweepi 3y ago
To be pedantic because its fun:
The random access Latency for L1 is indeed ~4 cycles, but RAM is more like 70ns+ (so you are .5 order of magnitude off, how dare you?).
These are my notes from an Anandtech article:
RAM:
5950x: 79 ns (400 cycles)
3950x: 86 ns (400 cycles)
10900k: 71 ns
Apple M1: 97 ns
Apple M1 Max: 111 ns
Apple A15P: 105 ns
Apple A15E: 141 ns
Apple A14P: 101 ns
Apple A14E: 201 ns
888 X1: 114 ns
L1 Cache:
5950x: 4 cycles (0.8 ns @ 5 GHz)
Apple M1: 3 cycles
Apple M1 Max: 3 cycles